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Side-by-side financial comparison of CECO ENVIRONMENTAL CORP (CECO) and DONALDSON Co INC (DCI). Click either name above to swap in a different company.

DONALDSON Co INC is the larger business by last-quarter revenue ($935.4M vs $214.7M, roughly 4.4× CECO ENVIRONMENTAL CORP). DONALDSON Co INC runs the higher net margin — 12.2% vs 1.4%, a 10.8% gap on every dollar of revenue. On growth, CECO ENVIRONMENTAL CORP posted the faster year-over-year revenue change (35.4% vs 3.9%). DONALDSON Co INC produced more free cash flow last quarter ($111.2M vs $7.3M). Over the past eight quarters, CECO ENVIRONMENTAL CORP's revenue compounded faster (30.4% CAGR vs 3.3%).

CECO Environmental Corp. is an American industrial technology company founded in 1966 and headquartered in Dallas, Texas. It is publicly traded on the Nasdaq Stock Market under the ticker symbol CECO. The company provides air pollution control technology, products, and services for industrial markets, including manufacturing, chemical processing, energy, and refining.

Donaldson Company, Inc. is a filtration company engaged in the production and marketing of filtration products used in a variety of industry sectors, including commercial/industrial, aerospace, chemical, alternative energy (windmills), food & beverage, and pharmaceuticals. Also the company's research division, located in Minneapolis, Minn., participated in defense-related projects for various military applications.

CECO vs DCI — Head-to-Head

Bigger by revenue
DCI
DCI
4.4× larger
DCI
$935.4M
$214.7M
CECO
Growing faster (revenue YoY)
CECO
CECO
+31.5% gap
CECO
35.4%
3.9%
DCI
Higher net margin
DCI
DCI
10.8% more per $
DCI
12.2%
1.4%
CECO
More free cash flow
DCI
DCI
$103.9M more FCF
DCI
$111.2M
$7.3M
CECO
Faster 2-yr revenue CAGR
CECO
CECO
Annualised
CECO
30.4%
3.3%
DCI

Income Statement — Q4 2025 vs Q1 2026

Metric
CECO
CECO
DCI
DCI
Revenue
$214.7M
$935.4M
Net Profit
$3.1M
$113.9M
Gross Margin
35.1%
35.2%
Operating Margin
7.7%
16.0%
Net Margin
1.4%
12.2%
Revenue YoY
35.4%
3.9%
Net Profit YoY
-37.3%
15.1%
EPS (diluted)
$0.09
$0.97

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
CECO
CECO
DCI
DCI
Q4 25
$214.7M
$935.4M
Q3 25
$197.6M
$980.7M
Q2 25
$185.4M
$940.1M
Q1 25
$176.7M
$870.0M
Q4 24
$158.6M
$900.1M
Q3 24
$135.5M
$935.4M
Q2 24
$137.5M
$927.9M
Q1 24
$126.3M
$876.7M
Net Profit
CECO
CECO
DCI
DCI
Q4 25
$3.1M
$113.9M
Q3 25
$1.5M
$114.3M
Q2 25
$9.5M
$57.8M
Q1 25
$36.0M
$95.9M
Q4 24
$4.9M
$99.0M
Q3 24
$2.1M
$109.7M
Q2 24
$4.5M
$113.5M
Q1 24
$1.5M
$98.7M
Gross Margin
CECO
CECO
DCI
DCI
Q4 25
35.1%
35.2%
Q3 25
32.7%
34.5%
Q2 25
36.2%
34.2%
Q1 25
35.2%
35.2%
Q4 24
35.8%
35.5%
Q3 24
33.4%
35.8%
Q2 24
35.7%
35.6%
Q1 24
35.7%
35.2%
Operating Margin
CECO
CECO
DCI
DCI
Q4 25
7.7%
16.0%
Q3 25
4.8%
15.5%
Q2 25
9.7%
9.3%
Q1 25
35.0%
14.4%
Q4 24
7.1%
14.5%
Q3 24
5.3%
15.6%
Q2 24
6.7%
15.5%
Q1 24
6.1%
14.8%
Net Margin
CECO
CECO
DCI
DCI
Q4 25
1.4%
12.2%
Q3 25
0.8%
11.7%
Q2 25
5.1%
6.1%
Q1 25
20.4%
11.0%
Q4 24
3.1%
11.0%
Q3 24
1.5%
11.7%
Q2 24
3.3%
12.2%
Q1 24
1.2%
11.3%
EPS (diluted)
CECO
CECO
DCI
DCI
Q4 25
$0.09
$0.97
Q3 25
$0.04
$0.97
Q2 25
$0.26
$0.48
Q1 25
$0.98
$0.79
Q4 24
$0.14
$0.81
Q3 24
$0.06
$0.90
Q2 24
$0.12
$0.92
Q1 24
$0.04
$0.81

Balance Sheet & Financial Strength

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

Metric
CECO
CECO
DCI
DCI
Cash + ST InvestmentsLiquidity on hand
$33.1M
$210.7M
Total DebtLower is stronger
$212.4M
$671.5M
Stockholders' EquityBook value
$317.5M
$1.5B
Total Assets
$893.8M
$3.0B
Debt / EquityLower = less leverage
0.67×
0.44×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
CECO
CECO
DCI
DCI
Q4 25
$33.1M
$210.7M
Q3 25
$32.8M
$180.4M
Q2 25
$36.8M
$178.5M
Q1 25
$146.5M
$189.1M
Q4 24
$37.8M
$221.2M
Q3 24
$38.7M
$232.7M
Q2 24
$36.5M
$223.7M
Q1 24
$46.6M
$193.8M
Total Debt
CECO
CECO
DCI
DCI
Q4 25
$212.4M
$671.5M
Q3 25
$220.9M
$630.4M
Q2 25
$238.7M
$638.8M
Q1 25
$339.7M
$514.7M
Q4 24
$218.9M
$538.6M
Q3 24
$133.4M
$483.4M
Q2 24
$130.8M
$481.8M
Q1 24
$135.7M
$352.0M
Stockholders' Equity
CECO
CECO
DCI
DCI
Q4 25
$317.5M
$1.5B
Q3 25
$309.2M
$1.5B
Q2 25
$298.4M
$1.5B
Q1 25
$285.8M
$1.5B
Q4 24
$247.7M
$1.5B
Q3 24
$241.3M
$1.5B
Q2 24
$235.0M
$1.5B
Q1 24
$231.5M
$1.4B
Total Assets
CECO
CECO
DCI
DCI
Q4 25
$893.8M
$3.0B
Q3 25
$891.9M
$3.0B
Q2 25
$876.6M
$3.0B
Q1 25
$957.1M
$3.0B
Q4 24
$759.7M
$3.0B
Q3 24
$621.5M
$2.9B
Q2 24
$598.1M
$2.9B
Q1 24
$589.0M
$2.8B
Debt / Equity
CECO
CECO
DCI
DCI
Q4 25
0.67×
0.44×
Q3 25
0.71×
0.43×
Q2 25
0.80×
0.44×
Q1 25
1.19×
0.33×
Q4 24
0.88×
0.35×
Q3 24
0.55×
0.32×
Q2 24
0.56×
0.32×
Q1 24
0.59×
0.26×

Cash Flow & Capital Efficiency

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

Metric
CECO
CECO
DCI
DCI
Operating Cash FlowLast quarter
$10.0M
$125.4M
Free Cash FlowOCF − Capex
$7.3M
$111.2M
FCF MarginFCF / Revenue
3.4%
11.9%
Capex IntensityCapex / Revenue
1.2%
1.5%
Cash ConversionOCF / Net Profit
3.26×
1.10×
TTM Free Cash FlowTrailing 4 quarters
$-5.5M
$403.2M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
CECO
CECO
DCI
DCI
Q4 25
$10.0M
$125.4M
Q3 25
$15.3M
$167.8M
Q2 25
$-7.7M
$87.7M
Q1 25
$-11.7M
$90.4M
Q4 24
$1.8M
$72.9M
Q3 24
$15.1M
$126.0M
Q2 24
$6.7M
$141.5M
Q1 24
$1.2M
$87.0M
Free Cash Flow
CECO
CECO
DCI
DCI
Q4 25
$7.3M
$111.2M
Q3 25
$11.0M
$147.5M
Q2 25
$-8.7M
$73.0M
Q1 25
$-15.1M
$71.5M
Q4 24
$-4.3M
$47.9M
Q3 24
$11.1M
$106.2M
Q2 24
$2.5M
$120.2M
Q1 24
$-1.9M
$65.7M
FCF Margin
CECO
CECO
DCI
DCI
Q4 25
3.4%
11.9%
Q3 25
5.6%
15.0%
Q2 25
-4.7%
7.8%
Q1 25
-8.5%
8.2%
Q4 24
-2.7%
5.3%
Q3 24
8.2%
11.4%
Q2 24
1.9%
13.0%
Q1 24
-1.5%
7.5%
Capex Intensity
CECO
CECO
DCI
DCI
Q4 25
1.2%
1.5%
Q3 25
2.1%
2.1%
Q2 25
0.6%
1.6%
Q1 25
1.9%
2.2%
Q4 24
3.9%
2.8%
Q3 24
3.0%
2.1%
Q2 24
3.0%
2.3%
Q1 24
2.5%
2.4%
Cash Conversion
CECO
CECO
DCI
DCI
Q4 25
3.26×
1.10×
Q3 25
10.18×
1.47×
Q2 25
-0.81×
1.52×
Q1 25
-0.33×
0.94×
Q4 24
0.37×
0.74×
Q3 24
7.24×
1.15×
Q2 24
1.49×
1.25×
Q1 24
0.81×
0.88×

Financial Flow Comparison

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

Revenue Breakdown by Segment

CECO
CECO

Segment breakdown not available.

DCI
DCI

Aftermarket Products$447.1M48%
Industrial Filtration Solutions Products$222.6M24%
Off Road Products$86.5M9%
Life Sciences Segment$80.0M9%
Other$39.1M4%
Aerospace And Defense Products$37.1M4%
On Road Products$23.0M2%

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