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6 public companies · 6 exchange-listed
6
Total Companies
6
Exchange Listed
5
Filed 10-K
2
States Represented
Total Sector Revenue
$4.65B
Aggregate of 4 companies with XBRL data
Avg Net Margin
3.3%
Intensely competitive· Based on 4 filings
Sector Analysis · Sprytne.com
As of March 2026, the Industrial & Commercial Fans & Blowers & Air Purifing Equip sector (SIC 3564) reports a combined revenue of $4.65B across 4 SEC-tracked entities. With an average net margin of 3.3%, this industry is classified as competitive. DONALDSON Co INC leads the sector with $3.69B in reported revenue. The data is derived exclusively from official SEC EDGAR XBRL submissions and reflects the most recently filed 10-K annual reports.
Data aggregated from SEC EDGAR XBRL submissions · Updated March 2026
| Rank | Company | Revenue | Net Income | Net Margin | vs Industry Avg |
|---|---|---|---|---|---|
| #1 | DONALDSON Co INCDCI | $3.69B | $367.0M | 9.9% | +6.6pp |
| #2 | CECO ENVIRONMENTAL CORPCECO | $774.4M | $50.1M | 6.5% | +3.1pp |
| #3 | Perma-Pipe International Holdings, Inc.PPIH | $158.4M | $9.0M | 5.7% | +2.3pp |
| #4 | FUEL TECH, INC.FTEK | $26.7M | $-2,324,000 | -8.7% | -12.1pp |
| Industry Average | $1.16B | $105.9M | 3.3% | baseline | |
CECO ENVIRONMENTAL CORP
CIK: 0000003197 · DE · 10-K: 2026-03-02
DONALDSON Co INC
CIK: 0000029644 · DE · 10-K: 2025-09-26
FUEL TECH, INC.
CIK: 0000846913 · DE · 10-K: 2026-03-03
KRONOS ADVANCED TECHNOLOGIES INC
CIK: 0001108248 · NV · 10-K: 2000-10-24
Madison Air Solutions Corp
CIK: 0002098430 · DE
Perma-Pipe International Holdings, Inc.
CIK: 0000914122 · DE · 10-K: 2025-05-01