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Side-by-side financial comparison of ABM INDUSTRIES INC (ABM) and CIENA CORP (CIEN). Click either name above to swap in a different company.

ABM INDUSTRIES INC is the larger business by last-quarter revenue ($2.3B vs $1.2B, roughly 1.9× CIENA CORP). CIENA CORP runs the higher net margin — 4.1% vs 1.5%, a 2.6% gap on every dollar of revenue. CIENA CORP produced more free cash flow last quarter ($134.6M vs $112.7M). Over the past eight quarters, ABM INDUSTRIES INC's revenue compounded faster (5.3% CAGR vs 3.9%).

ABM Industries Inc. is a facility management provider in the United States founded in 1909 by Morris Rosenberg in San Francisco, California. ABM provides facility services in areas such as electrical, lighting, energy, facility engineering, electrification, heating, ventilation, air conditioning, mechanical, janitorial services, landscape, grounds, parking, and transportation.

Ciena Corporation is an American optical networking systems and software company based in Hanover, Maryland. The company has been described as a vital player in optical connectivity. The company reported revenues of $4.8 billion and more than 9,000 employees, as of November 2025. Gary Smith serves as president and chief executive officer (CEO).

ABM vs CIEN — Head-to-Head

Bigger by revenue
ABM
ABM
1.9× larger
ABM
$2.3B
$1.2B
CIEN
Higher net margin
CIEN
CIEN
2.6% more per $
CIEN
4.1%
1.5%
ABM
More free cash flow
CIEN
CIEN
$21.9M more FCF
CIEN
$134.6M
$112.7M
ABM
Faster 2-yr revenue CAGR
ABM
ABM
Annualised
ABM
5.3%
3.9%
CIEN

Income Statement — Q4 FY2025 vs Q3 FY2025

Metric
ABM
ABM
CIEN
CIEN
Revenue
$2.3B
$1.2B
Net Profit
$34.8M
$50.3M
Gross Margin
11.8%
41.3%
Operating Margin
3.0%
6.0%
Net Margin
1.5%
4.1%
Revenue YoY
5.4%
Net Profit YoY
394.9%
EPS (diluted)
$0.56
$0.35

Green = leading value per metric. Periods may differ when fiscal calendars don't align.

8-Quarter Revenue & Profit Trend

Side-by-side quarterly history. Quarters aligned by calendar period so offset fiscal years line up.

Revenue
ABM
ABM
CIEN
CIEN
Q4 25
$2.3B
Q3 25
$2.2B
$1.2B
Q2 25
$2.1B
$1.1B
Q1 25
$2.1B
$1.1B
Q4 24
$2.2B
$1.1B
Q3 24
$2.1B
$942.3M
Q2 24
$2.0B
$910.8M
Q1 24
$2.1B
$1.0B
Net Profit
ABM
ABM
CIEN
CIEN
Q4 25
$34.8M
Q3 25
$41.8M
$50.3M
Q2 25
$42.2M
$9.0M
Q1 25
$43.6M
$44.6M
Q4 24
$-11.8M
$37.0M
Q3 24
$4.7M
$14.2M
Q2 24
$43.8M
$-16.8M
Q1 24
$44.7M
$49.5M
Gross Margin
ABM
ABM
CIEN
CIEN
Q4 25
11.8%
Q3 25
12.3%
41.3%
Q2 25
12.8%
40.2%
Q1 25
12.3%
44.0%
Q4 24
12.5%
40.9%
Q3 24
12.6%
42.9%
Q2 24
12.6%
42.7%
Q1 24
11.8%
45.0%
Operating Margin
ABM
ABM
CIEN
CIEN
Q4 25
3.0%
Q3 25
3.8%
6.0%
Q2 25
3.9%
2.9%
Q1 25
3.7%
7.5%
Q4 24
0.9%
5.3%
Q3 24
1.8%
2.8%
Q2 24
4.0%
-0.4%
Q1 24
3.6%
8.2%
Net Margin
ABM
ABM
CIEN
CIEN
Q4 25
1.5%
Q3 25
1.9%
4.1%
Q2 25
2.0%
0.8%
Q1 25
2.1%
4.2%
Q4 24
-0.5%
3.3%
Q3 24
0.2%
1.5%
Q2 24
2.2%
-1.8%
Q1 24
2.2%
4.8%
EPS (diluted)
ABM
ABM
CIEN
CIEN
Q4 25
$0.56
Q3 25
$0.67
$0.35
Q2 25
$0.67
$0.06
Q1 25
$0.69
$0.31
Q4 24
$-0.18
$0.26
Q3 24
$0.07
$0.10
Q2 24
$0.69
$-0.12
Q1 24
$0.70
$0.34

Balance Sheet & Financial Strength

Snapshot of each company's liquidity, leverage and book value from the latest quarter.

Metric
ABM
ABM
CIEN
CIEN
Cash + ST InvestmentsLiquidity on hand
$104.1M
$1.3B
Total DebtLower is stronger
Stockholders' EquityBook value
$1.8B
$2.8B
Total Assets
$5.3B
$5.7B
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ABM
ABM
CIEN
CIEN
Q4 25
$104.1M
Q3 25
$69.3M
$1.3B
Q2 25
$58.7M
$1.3B
Q1 25
$59.0M
$1.2B
Q4 24
$64.6M
$1.3B
Q3 24
$86.3M
$1.1B
Q2 24
$60.7M
$1.3B
Q1 24
$58.0M
$1.4B
Stockholders' Equity
ABM
ABM
CIEN
CIEN
Q4 25
$1.8B
Q3 25
$1.8B
$2.8B
Q2 25
$1.8B
$2.8B
Q1 25
$1.8B
$2.8B
Q4 24
$1.8B
$2.8B
Q3 24
$1.8B
$2.9B
Q2 24
$1.8B
$2.9B
Q1 24
$1.8B
$2.9B
Total Assets
ABM
ABM
CIEN
CIEN
Q4 25
$5.3B
Q3 25
$5.3B
$5.7B
Q2 25
$5.3B
$5.7B
Q1 25
$5.2B
$5.6B
Q4 24
$5.1B
$5.6B
Q3 24
$5.0B
$5.6B
Q2 24
$4.9B
$5.6B
Q1 24
$5.0B
$5.6B

Cash Flow & Capital Efficiency

How much cash each business actually produces after reinvestment. Cash flow is harder to manipulate than net income.

Metric
ABM
ABM
CIEN
CIEN
Operating Cash FlowLast quarter
$133.4M
$174.3M
Free Cash FlowOCF − Capex
$112.7M
$134.6M
FCF MarginFCF / Revenue
4.9%
11.0%
Capex IntensityCapex / Revenue
0.9%
3.3%
Cash ConversionOCF / Net Profit
3.83×
3.47×
TTM Free Cash FlowTrailing 4 quarters
$155.1M
$605.5M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
ABM
ABM
CIEN
CIEN
Q4 25
$133.4M
Q3 25
$174.9M
$174.3M
Q2 25
$32.3M
$156.9M
Q1 25
$-106.2M
$103.7M
Q4 24
$30.4M
$349.4M
Q3 24
$79.4M
$-159.4M
Q2 24
$117.0M
$58.5M
Q1 24
$-100.0K
$266.1M
Free Cash Flow
ABM
ABM
CIEN
CIEN
Q4 25
$112.7M
Q3 25
$150.1M
$134.6M
Q2 25
$15.2M
$128.2M
Q1 25
$-122.9M
$76.8M
Q4 24
$15.6M
$265.8M
Q3 24
$63.9M
$-179.0M
Q2 24
$101.5M
$41.6M
Q1 24
$-13.7M
$249.5M
FCF Margin
ABM
ABM
CIEN
CIEN
Q4 25
4.9%
Q3 25
6.7%
11.0%
Q2 25
0.7%
11.4%
Q1 25
-5.8%
7.2%
Q4 24
0.7%
23.6%
Q3 24
3.1%
-19.0%
Q2 24
5.0%
4.6%
Q1 24
-0.7%
24.0%
Capex Intensity
ABM
ABM
CIEN
CIEN
Q4 25
0.9%
Q3 25
1.1%
3.3%
Q2 25
0.8%
2.6%
Q1 25
0.8%
2.5%
Q4 24
0.7%
7.4%
Q3 24
0.7%
2.1%
Q2 24
0.8%
1.9%
Q1 24
0.7%
1.6%
Cash Conversion
ABM
ABM
CIEN
CIEN
Q4 25
3.83×
Q3 25
4.18×
3.47×
Q2 25
0.77×
17.50×
Q1 25
-2.44×
2.33×
Q4 24
9.44×
Q3 24
16.89×
-11.20×
Q2 24
2.67×
Q1 24
-0.00×
5.37×

Financial Flow Comparison

Revenue → gross profit → operating profit → net profit for each company.

Revenue Breakdown by Segment

ABM
ABM

Facility Service Line Janitorial$729.5M32%
Technical Solutions$298.6M13%
Aviation$296.7M13%
Education$233.8M10%
Engineering And Infrastructure Service Line$211.3M9%
Engineering And Infrastructure Service Line Operations And Maintenance$207.2M9%
Facility Service Line Aviation Services$134.4M6%
Facility Service Line Parking And Transportation$108.0M5%
Management Reimbursement Revenue$86.9M4%

CIEN
CIEN

Optical Networking$815.5M67%
Routing And Switching$125.9M10%
Platform Softwareand Services Segment$90.0M7%
Maintenance Support And Training$80.7M7%
Installation And Deployment$65.9M5%
Blue Planet Automation Softwareand Services Segment$27.8M2%
Consulting And Network Design$13.6M1%

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