Biggest changeOur building services operations have built upon our traditional electrical and mechanical construction operations and our client relationships to expand the scope of services being offered and to develop packages of services for customers on a local, regional, and national basis. 3 Table of Contents Our building services operations, which generated approximately 24% of our 2024 total revenues, provide services to owners, operators, tenants, and managers of all types of facilities both on a contractual basis for a specified period of time and on an individual task order basis.
Biggest changeOur building services operations have built upon our traditional electrical and mechanical construction operations and our client relationships to expand the scope of services being offered and to develop packages of services for customers on a local, regional, and national basis.
In addition, identified front line leaders such as project managers, superintendents and supervisors are invited to our Leader Development Program, which focuses on the development of skills to enhance their growth as leaders and emphasizes the importance of our EMCOR Values. Workplace Safety We believe that our focus on employee safety and well-being is reflected in our results.
In addition, identified front line supervisors such as project managers and superintendents are invited to our Leader Development Program, which focuses on the development of skills to enhance their growth as leaders and emphasizes the importance of our EMCOR Values. Workplace Safety We believe that our focus on employee safety and well-being is reflected in our results.
The agreements pursuant to which this division provides services to the federal government are frequently for a base period and a number of option years exercisable at the sole discretion of the government, are often subject to modification or renegotiation by the government in terms of scope of services, and are subject to termination by the government prior to the expiration of the applicable term.
The agreements pursuant to which this division provides services to the federal government are frequently for a base period and a number of option years exercisable at the sole discretion of the government, are often subject to modification or renegotiation by the government in terms of scope of services, and are subject to termination for convenience by the government prior to the expiration of the applicable term.
In addition, there are a number of larger public companies focused on providing electrical and/or mechanical construction services, such as APi Group Corporation, Comfort Systems USA, Inc., Dycom Industries, Inc., Everus Construction Group, Inc., IES Holdings, Inc., MasTec, Inc., MYR Group Inc., Quanta Services, Inc., and Tutor Perini Corporation.
In addition, there are a number of larger companies focused on providing electrical and/or mechanical construction services, such as APi Group Corporation, Comfort Systems USA, Inc., Dycom Industries, Inc., Everus Construction Group, Inc., IES Holdings, Inc., MasTec, Inc., MYR Group Inc., Quanta Services, Inc., and Tutor Perini Corporation.
Our executive offices are located at 301 Merritt Seven, Norwalk, Connecticut 06851-1092, and our telephone number at those offices is (203) 849-7800. 1 Table of Contents Operations United States electrical and mechanical construction and facilities services operations: Our electrical and mechanical construction services primarily involve the design, integration, installation, start-up, operation and maintenance, and provision of services relating to: • Systems for electrical power transmission, distribution, and generation, including power cables, conduits, distribution panels, transformers, generators, uninterruptible power supply systems, and related switch gear and controls; • Premises electrical and lighting systems, including fixtures and controls; • Process instrumentation in the refining, chemical processing, and food processing industries; • Low-voltage systems, such as fire alarm, security, and process control systems; • Voice and data communications, including fiber optic and low voltage cabling, distributed antenna systems, audiovisual systems, and wireless access points; • Sustainable energy solutions such as solar, photovoltaic, and wind, as well as the installation of electric vehicle charging stations; • Roadway and transit lighting and signaling and fiber optic lines; • Computerized traffic control systems, and signal and communication equipment for mass transit systems; • Heating, ventilation, air conditioning, and refrigeration, including both traditional mechanical systems as well as geothermal solutions; • Clean-room process ventilation systems; • Fire protection and suppression systems; • Plumbing, process and high-purity piping systems; • Controls and filtration systems; • Water and wastewater treatment systems; • Central plant heating and cooling systems, including manufacturing and installing sheet metal air handling systems; • Crane and rigging services; • Millwright services; and • Steel fabrication, erection, and welding services.
Our executive offices are located at 301 Merritt Seven, Norwalk, Connecticut 06851-1092, and our telephone number at those offices is (203) 849-7800. 1 Table of Contents Operations Electrical and mechanical construction and facilities services operations: Our electrical and mechanical construction services primarily involve the design, integration, installation, start-up, operation and maintenance, and provision of services relating to: • Systems for electrical power transmission, distribution, and generation, including power cables, conduits, distribution panels, transformers, generators, uninterruptible power supply systems, and related switch gear and controls; • Premises electrical and lighting systems, including fixtures and controls; • Process instrumentation in the refining, chemical processing, and food processing industries; • Low-voltage systems, such as fire alarm, security, and process control systems; • Voice and data communications, including fiber optic and low voltage cabling, distributed antenna systems, audiovisual systems, and wireless access points; • Sustainable energy solutions such as solar, photovoltaic, and wind, as well as the installation of electric vehicle charging stations; • Roadway and transit lighting and signaling and fiber optic lines; • Computerized traffic control systems, and signal and communication equipment for mass transit systems; • Heating, ventilation, air conditioning, and refrigeration, including both traditional mechanical systems as well as geothermal solutions; • Clean-room process ventilation systems; • Fire protection and suppression systems; • Plumbing, process and high-purity piping systems; • Controls and filtration systems; • Water and wastewater treatment systems; • Central plant heating and cooling systems, including manufacturing and installing sheet metal air handling systems; • Millwright services; and • Steel fabrication, erection, and welding services.
United States industrial services operations: Our industrial services are primarily provided to customers within the oil, gas, and petrochemical industries and consist of: • Refinery turnaround planning and engineering services; • Specialty welding services; • Overhaul and maintenance of critical process units in refineries and petrochemical plants; • Specialty technical services for refineries and petrochemical plants; • Instrumentation, controls, and electrical services for energy infrastructure; • Electrical panel design, fabrication, and installation; • On-site repairs, maintenance, and service of heat exchangers, towers, vessels, and piping; • Design, manufacturing, repair, and hydro blast cleaning of shell and tube heat exchangers and related equipment; and • Renewable energy services, including large scale solar projects, energy storage, and waste to biogas solutions.
Industrial services operations: Our industrial services are primarily provided to customers within the oil, gas, and petrochemical industries and consist of: • Refinery turnaround planning and engineering services; • Specialty welding services; • Overhaul and maintenance of critical process units in refineries and petrochemical plants; • Specialty technical services for refineries and petrochemical plants; • Instrumentation, controls, and electrical services for energy infrastructure; • Electrical panel design, fabrication, and installation; • On-site repairs, maintenance, and service of heat exchangers, towers, vessels, and piping; • Design, manufacturing, repair, and hydro blast cleaning of shell and tube heat exchangers and related equipment; and • Renewable energy services, including large scale solar projects, energy storage, and waste to biogas solutions.
The electrical and mechanical construction services industry has experienced growth principally due to the increased content, complexity, and sophistication of electrical and mechanical systems resulting, in part, from growth in digital processing, cloud computing, data storage, and the emergence of artificial intelligence.
The electrical and mechanical construction services industry has experienced growth principally due to the increased content, complexity, and sophistication of electrical and mechanical systems resulting, in part, from growth in digital processing, cloud computing, data storage, and the emergence of artificial intelligence (“AI”).
Of such revenues, approximately 34% were generated by our electrical construction operations and approximately 66% were generated by our mechanical construction operations. 2 Table of Contents Our largest projects include those within: (a) the network and communications market sector (including data centers, data and fiber projects, and cabling); (b) the high-tech manufacturing market sector (including semiconductor, biotech, life-sciences, and pharmaceutical facilities, as well as projects across the electric vehicle value chain); (c) the commercial market sector (including warehousing and distribution facilities and office or mixed-use buildings); (d) the manufacturing and industrial market sector (including steel, pulp and paper mills, food processing and traditional automotive manufacturing facilities, power generation (including sustainable energy solutions such as solar and wind), oil and gas refineries, and chemical processing plants); (e) the healthcare market sector (including hospitals, surgical centers, rehabilitation and nursing facilities, and medical offices); (f) the institutional market sector (including educational and correctional facilities and research laboratories); (g) the water and wastewater market sector; (h) the transportation market sector (including highways, bridges, airports, and transit systems); and (i) the hospitality and entertainment market sector (including resorts, hotels, gaming facilities, convention centers, and sports stadiums).
Of such revenues, approximately 42% were generated by our electrical construction operations and approximately 58% were generated by our mechanical construction operations. 2 Table of Contents Our largest projects include those within: (a) the network and communications market sector (including data centers, data and fiber projects, and cabling); (b) the high-tech manufacturing market sector (including semiconductor, biotech, life-sciences, and pharmaceutical facilities, as well as projects across the electric vehicle value chain); (c) the manufacturing and industrial market sector (including food processing and traditional automotive manufacturing facilities, steel, pulp and paper mills, power generation (including sustainable energy solutions such as solar and wind), oil and gas refineries, and chemical processing plants); (d) the commercial market sector (including warehousing and distribution facilities and office or mixed-use buildings); (e) the healthcare market sector (including hospitals, surgical centers, rehabilitation and nursing facilities, and medical offices); (f) the institutional market sector (including educational and correctional facilities and research laboratories); (g) the water and wastewater market sector; (h) the transportation market sector (including highways, bridges, airports, and transit systems); and (i) the hospitality and entertainment market sector (including resorts, hotels, gaming facilities, convention centers, and sports arenas and stadiums).
In the manufacture of heat exchangers, we compete with both U.S. and foreign manufacturers. Competitors within this industry include JVIC, Universal Plant Services, Inc., Turner Industries Group, LLC, Team, Inc., Cust-O-Fab, Inc., Dunn Heat Exchangers, Inc., Turn2 Specialty Companies, and Wyatt Field Service Company, LLC, among others.
In the manufacture of heat exchangers, we compete with both U.S. and foreign manufacturers. Competitors within this industry include JVIC, Universal Plant Services, Inc., Turner Industries Group, LLC, Team, Inc., Specialty Welding and Turnarounds, LLC, Cust-O-Fab, Inc., Dunn Heat Exchangers, Inc., Turn2 Specialty Companies, and Wyatt Field Service Company, LLC, among others.
This represents our sixteenth consecutive year with a Total Recordable Incident Rate which was less than half the industry average. Our position as an industry leader in safety begins with a strong culture of care and vigilance embodied in our EMCOR Values and is supported by a comprehensive suite of training, resources, and analytics.
This represents our seventeenth consecutive year with a Total Recordable Incident Rate which was less than half the industry average. Our position as an industry leader in safety begins with a strong culture of care and vigilance embodied in our EMCOR Values and is supported by a comprehensive suite of training, resources, and analytics.
Financial Statements and Supplementary Data. We believe that our range of service offerings, technical capability, skilled workforce, and strong project execution, along with our safety culture and financial resources, differentiate us from our competition and position us to benefit from future capital and maintenance spending by our customers.
Financial Statements and Supplementary Data. We believe that our range of service offerings, technical capability, skilled workforce, and strong project execution, along with our safety culture and financial resources, differentiate us from our competition and position us to benefit from future capital and maintenance spending by our existing and potential customers.
We believe that a workforce, executive management team, and Board of Directors representing a broad array of experience, perspectives, background, and personal characteristics, are important to our future success. We strive to help all our employees realize their full potential with an equal opportunity to succeed.
We believe that a workforce, executive management team, and Board of Directors representing a broad array of experience, perspectives, backgrounds, and personal characteristics, are important to our future success. We strive to help all our employees realize their full potential with an equal opportunity to succeed.
Moreover, the need for substantial environmental controls within a building, due to the heightened need to maintain extensive computer systems at optimal temperatures, and the demand for increased energy efficiency, have continued to expand opportunities for our electrical and mechanical services businesses.
Moreover, the need for substantial environmental controls within a building, due to the heightened need to maintain extensive servers at optimal temperatures, and the demand for increased energy efficiency, have continued to expand opportunities for our electrical and mechanical services businesses.
Additionally, based on such information, our U.S. employees had the following race and ethnicity demographics: Employee Demographic % of Total White 66 % Hispanic / Latino 21 % Black / African American 8 % Asian 2 % Multiracial, Native American, Native Hawaiian, and Pacific Islander 3 % 5 Table of Contents Approximately 63% of our employees are represented by various unions pursuant to approximately 425 collective bargaining agreements between our individual subsidiaries or trade associations and local unions, as well as two collective bargaining agreements that are national or regional in scope.
Additionally, based on such information, our employees had the following race and ethnicity demographics: Employee Demographic % of Total White 66 % Hispanic / Latino 21 % Black / African American 8 % Asian 2 % Multiracial, Native American, Native Hawaiian, and Pacific Islander 3 % 5 Table of Contents Approximately 62% of our employees are represented by various unions pursuant to approximately 450 collective bargaining agreements between our individual subsidiaries or trade associations and local unions, as well as two collective bargaining agreements that are national or regional in scope.
Our strategies of expanding our portfolio of service offerings for existing and potential customers and increasing or enhancing our presence in core end markets and geographies, along with our commitment to industry-leading best practices and technological and training capabilities, place us in the position to capitalize on opportunities and trends in the industries we serve and continue to grow our business.
Our strategies of expanding our portfolio of service offerings and increasing or enhancing our presence in core end markets and geographies, along with our commitment to industry-leading best practices and technological and training capabilities, place us in the position to capitalize on opportunities and trends in the industries we serve and continue to grow our business.
Our industrial services business, which generated approximately 9% of our 2024 total revenues, is a recognized leader in the refinery turnaround market and has a presence in the petrochemical and upstream markets. Demand for these services is highly dependent on the strength of the oil and gas and related industrial markets.
Our industrial services business, which generated approximately 7% of our 2025 total revenues, is a recognized leader in the refinery turnaround market and has a presence in the petrochemical and upstream markets. Demand for these services is highly dependent on the strength of the oil and gas and related industrial markets.
Our largest projects, which typically range in size from $10 million up to and occasionally exceeding $200 million, represented approximately 54% of our electrical and mechanical construction services revenues in 2024. These projects often involve new construction and a combination of design, installation, and start-up services.
Our largest projects, which typically range in size from $10 million up to and occasionally exceeding $200 million, represented approximately 58% of our electrical and mechanical construction services revenues in 2025. These projects often involve new construction and a combination of design, installation, and start-up services.
We provide building services at a number of prominent buildings in the United States, including those that house the National Archives and Records Administration, the Federal Deposit Insurance Corporation, the Government Accountability Office, and the Departments of Transportation, Education, Health and Human Services, Energy, and Homeland Security, as well as other government facilities.
Within our government site-based services division, we provide building services at a number of prominent buildings in the United States, including those that house the National Archives and Records Administration, the Federal Deposit Insurance Corporation, the Government Accountability Office, and the Departments of Transportation, Education, Health and Human Services, Energy, and Homeland Security, as well as other government facilities.
United States and United Kingdom building services operations: Our building services include: • Maintenance and services for mechanical, electrical, plumbing, fire safety, and building automation systems; • Modification and retrofit projects; • Program development, management, and maintenance for energy systems, including LEED and other sustainable solutions to assist our customers in reducing energy consumption; • Energy efficiency retrofit services, including HVAC, lighting, water, weatherization, and air flow management solutions; • Technical consulting and diagnostic services; • Services aimed at improving indoor air quality; • Installation and support for building systems; • Commercial and government site-based operations and maintenance; • Facility management, maintenance, and services; • Floor care and janitorial services; • Landscaping, lot sweeping, and snow removal; • Other building services, including reception, security, and catering services; • Vendor management and call center services; • Military base operations support services; and • Infrastructure and building projects for federal, state, and local governmental agencies.
Building services operations: Our building services include: • Maintenance and services for mechanical, electrical, plumbing, fire safety, and building automation systems; • HVAC projects, including installation, modification and retrofits; • Program development, management, and maintenance for energy systems, including LEED and other sustainable solutions to assist our customers in reducing energy consumption; • Energy efficiency retrofit services, including HVAC, lighting, water, weatherization, and air flow management solutions; • Technical consulting and diagnostic services; • Services aimed at improving indoor air quality; • Installation and support for building systems; • Commercial and government site-based operations and maintenance; • Facility management, maintenance, and services; • Floor care and janitorial services; • Landscaping, lot sweeping, and snow removal; • Vendor management and call center services; and • Infrastructure and building projects for federal, state, and local governmental agencies.
During a year in which our people worked over 89 million hours, the Company’s Total Recordable Incident Rate in 2024 was just under 1.0, which was approximately 60% lower than the U.S. Bureau of Labor Statistics’ most recently available industry average of 2.4 for NAICS Code 2382, Building Equipment Contractors.
During a year in which our people worked nearly 100 million hours, the Company’s Total Recordable Incident Rate in 2025 was just under 1.0, which was approximately 60% lower than the U.S. Bureau of Labor Statistics’ most recently available industry average of 2.4 for NAICS Code 2382, Building Equipment Contractors.
Due to our size, our technical capability and management experience, and our geographic presence, we believe our building services operations are in a strong competitive position. However, there are relatively few barriers to entry into the building services industry. The market for providing industrial services includes large national providers, as well as numerous regional companies.
Due to our financial strength, scope of service offerings, our technical capability and management experience, and our geographic presence, we believe our building services operations are in a strong competitive position. However, there are relatively few barriers to entry into the building services industry. The market for providing industrial services includes large national providers, as well as numerous regional companies.
Our projects of less than $10 million accounted for approximately 46% of our electrical and mechanical construction services revenues in 2024. These projects are typically completed in less than one year.
Our projects of less than $10 million accounted for approximately 42% of our electrical and mechanical construction services revenues in 2025. These projects are typically completed in less than one year.
Campaign, (b) incident and injury prevention planning, including in-person and online training tools and best practice guides available through our company intranet, (c) enterprise level reporting and analysis of leading and lagging indicators, (d) a 24-hour incident reporting hotline, and (e) a company-wide program to share and champion best safety practices across our range of businesses.
Campaign, (b) incident and injury prevention planning, including in-person and online training tools and best practice guides available through our company intranet as well as to all field employees through their mobile devices, (c) enterprise level reporting and analysis of leading and lagging indicators, (d) a 24-hour incident reporting hotline, and (e) a company-wide program to share and champion best safety practices across our range of businesses.
In addition, to develop and reinforce our values company-wide, and empower our leaders to perform at the highest levels, senior leaders are invited to our Leadership for Results course and our Leading with Character program at the Thayer Leadership Development Group at West Point.
In addition, to develop and reinforce our values company-wide, and empower our leaders to perform at the highest levels, senior leaders are invited to our Leadership for Results course at the Georgia Tech Scheller College of Business and our Leading with Character program at the Thayer Leadership Development Group at West Point.
The demand for these services is typically driven by non-residential construction and renovation activity and, in recent years, has benefited from the re-shoring of the supply chain, the need for additional high-tech manufacturing facilities, and the energy transition/expansion throughout the United States.
The demand for these services is typically driven by non-residential construction and renovation activity and, in recent years, has benefited from the expansion of data centers to power AI and cloud computing, the re-shoring of the supply chain, the need for additional high-tech manufacturing facilities, and the energy transition/expansion throughout the United States.
We derive revenues from many different customers in numerous industries, which have operations in several different geographical areas. Of our 2024 revenues, approximately 97% were generated in the United States and approximately 3% were generated in foreign countries, substantially all in the United Kingdom.
We derive revenues from many different customers in numerous industries, which have operations in several different geographical areas. Of our 2025 revenues, approximately 97% were generated in the United States and approximately 3% were generated in the United Kingdom.
In 2024, we derived approximately 67% of our revenues from our construction operations, approximately 24% of our revenues from our building services operations, and approximately 9% of our revenues from our industrial services operations. For additional information regarding our revenues, see Note 3 - Revenue from Contracts with Customers of the notes to consolidated financial statements included in Item 8.
In 2025, we derived approximately 72% of our revenues from our construction operations, approximately 21% of our revenues from our building services operations, and approximately 7% of our revenues from our industrial services operations. For additional information regarding our revenues, see Note 3 - Revenue from Contracts with Customers of the notes to consolidated financial statements included in Item 8.
Our United States electrical and mechanical construction operations accounted for approximately 67% of our 2024 total revenues.
Our United States electrical and mechanical construction operations accounted for approximately 72% of our 2025 total revenues.
We also provide building services, as a prime contractor or a subcontractor, to U.S. military bases and various other governmental agencies.
We also provide building services, as a prime contractor or a subcontractor, to U.S. government and intelligence agencies.
In addition, we compete with several regional firms serving all or portions of the markets we target, such as BrightView Holdings, Inc., Kellermeyer Bergensons Services, LLC, and SMS Assist, L.L.C. Our principal competitors in the United Kingdom include CBRE Group, Inc., ISS UK Ltd., Equans Services Limited, OCS Group UK Limited, and Mitie Group PLC.
In addition, we compete with several regional firms serving all or portions of the markets we target, such as BrightView Holdings, Inc., Kellermeyer Bergensons Services, LLC, and SMS Assist, L.L.C.
Although the technical expertise and capital investment that is required in manufacturing heat exchangers may be considered a barrier to entry in this field, there are significantly fewer barriers to entry as it pertains to turnaround projects and services.
Although the technical expertise and capital investment that is required in manufacturing heat exchangers may be considered a barrier to entry in this field, there are significantly fewer barriers to entry as it pertains to turnaround projects and services. Human Capital At December 31, 2025, we employed approximately 44,000 people, all of whom were located within the United States.
Such operating subsidiaries are organized into the following reportable segments: • United States electrical construction and facilities services; • United States mechanical construction and facilities services; • United States building services; • United States industrial services; and • United Kingdom building services. Our operating subsidiaries offer comprehensive and diverse solutions on a broad scale and have many long-standing customer relationships.
Such operating subsidiaries are organized into the following reportable segments: • United States electrical construction and facilities services; • United States mechanical construction and facilities services; • United States building services; and • United States industrial services.
While the building services industry is also highly fragmented, with most competitors operating in a specific geographic region, a number of large corporations such as Amentum Services, Inc., IAP Worldwide Services, Inc., Fluor Corporation, Cushman & Wakefield plc, CBRE Group, Inc., Jones Lang LaSalle Incorporated, Sodexo, Inc., Aramark, and ABM Industries Incorporated are engaged in this field, as are large original equipment manufacturers such as Carrier Global Corporation and Trane Technologies plc.
While the building services industry is also highly fragmented, with most competitors operating in a specific geographic region, a number of large corporations and original equipment manufacturers are engaged in this field.
Equal Employment Opportunity Commission, the gender demographic of our U.S. employees was 89% male and 11% female.
Based on the most recent information available from our latest filing with the U.S. Equal Employment Opportunity Commission, the gender demographic of our employees was 90% male and 10% female.
For example, we have deployed an online safety training program available to any employee on a mobile device. 6 Table of Contents Mutual Respect and Trust In our workplace, we seek to foster a welcoming environment that reflects our EMCOR Values, including Mutual Respect and Trust.
These tools have evolved with the way our people work. 6 Table of Contents Mutual Respect and Trust In our workplace, we seek to foster a welcoming environment that reflects our EMCOR Values, including Mutual Respect and Trust.
In 2024, we had revenues of approximately $14.6 billion.
In 2025, we had revenues of $16.99 billion.
Of our building services revenues for 2024, approximately 88% were generated in the United States and approximately 12% were generated in the United Kingdom.
Our building services operations, which generated approximately 21% of our 2025 total revenues, provide services to owners, operators, tenants, and managers of all types of facilities. Of our building services revenues for 2025, approximately 87% were generated in the United States and approximately 13% were generated in the United Kingdom.