| CSCoalogix Scr-tech | Charlotte | NC | — | ◇ UNVERIFIED |
| CSCool Solutions Manufacturing, INC. | Brisbane | CA | — | ◇ UNVERIFIED |
| CCCs Clean Solutions INC. | Phoenix | AZ | — | ◇ UNVERIFIED |
| DSD\00dcrr Systems INC | De Pere | WI | — | ◇ UNVERIFIED |
| DCD. C. Sales, INC. | Rock Hill | SC | — | ◇ UNVERIFIED |
| D8D&d 8-24, LLC | Temecula | CA | — | ◇ UNVERIFIED |
| DCDonaldson Company INC | Stockton | CA | — | ◇ UNVERIFIED |
| DEDri Eaz Products INC Burlington | Burlington | WA | — | ◇ UNVERIFIED |
| DADustless Air Filter Company, INC. | San Antonio | TX | — | ◇ UNVERIFIED |
| EEcm-usa | Pleasant Prairie | WI | — | ◇ UNVERIFIED |
| FFiltrax | Martin | TN | — | ◇ UNVERIFIED |
| FCFisen CORP. | Dutton | MI | — | ◇ UNVERIFIED |
| FCFlanders Corporation | Bartow | FL | — | ◇ UNVERIFIED |
| FLFlanders/csc, LLC | Washington | NC | — | ◇ UNVERIFIED |
| FPFlanders Precisionaire INC - Bartow Fl Manufacturing Facilit | Bartow | FL | — | ◇ UNVERIFIED |
| FCFluid Cooling Systems, LLC | Flint | MI | — | ◇ UNVERIFIED |
| FNFormer / No Longer Operating Here Twin City Fan Companies LTD. | Sioux Falls | SD | — | ◇ UNVERIFIED |
| FFFtg Filtration Technologies Group | Modesto | CA | — | ◇ UNVERIFIED |
| GEGeneral Electric Company | Raytown | MO | — | ◇ UNVERIFIED |
| GMGilbert Metal Prod | El Monte | CA | — | ◇ UNVERIFIED |
| GSGraves Spray Supply, INC. | Clearwater | FL | — | ◇ UNVERIFIED |
 Greenheck Fan CORP | Rocklin | CA | — | ◇ UNVERIFIED |
| Greenheck Fan Corporation - Facility 2 | Schofield | WI | — | ◇ UNVERIFIED |
| GLGreen Land 2, LLC | Batavia | IL | — | ◇ UNVERIFIED |
| GBGulf Breeze Filter INC | Venice | FL | — | ◇ UNVERIFIED |
| HPHoneywell Phoenix Controls | Acton | MA | — | ◇ UNVERIFIED |
| HIHorton INC | Westminster | SC | — | ◇ UNVERIFIED |
| HAHowden Airdynamics | Corona | CA | — | ◇ UNVERIFIED |
| HBHowden Buffalo-closed | Camden | SC | — | ◇ UNVERIFIED |
| HNHowden North America INC. (0679020075) | New Philadelphia | OH | — | ◇ UNVERIFIED |
| IRInvestments R Us, INC. | Anaheim | CA | — | ◇ UNVERIFIED |
| JIJancel INC | Cranford | NJ | — | ◇ UNVERIFIED |
| JAJosefek Acquisition Corp | Glendale Heights | IL | — | ◇ UNVERIFIED |
| JRJ. R. Schneider Co., INC. | Chadds Ford | PA | — | ◇ UNVERIFIED |
| KIKoby Incorporated | Marlborough | MA | — | ◇ UNVERIFIED |
| KFKoch Filter Corporation | Louisville | KY | — | ◇ UNVERIFIED |
| KKKono Kogs | Green Bay | WI | — | ◇ UNVERIFIED |
| LCLoren Cook Co-barnes St Plant | Springfield | MO | — | ◇ UNVERIFIED |
| MPMac Process, LLC | Sabetha | KS | — | ◇ UNVERIFIED |
| MLMedair Labs, LLC | Cleveland | OH | — | ◇ UNVERIFIED |
| MHMeggitt (north Hollywood), INC | Corona | CA | — | ◇ UNVERIFIED |
| MAMercer Area Jr Sr High Sch | Mercer | PA | — | ◇ UNVERIFIED |
| MTMet-pro Technologies, LLC | Adelanto | CA | — | ◇ UNVERIFIED |
| MAMid Atlantic Filter, LLC | Salisbury | MD | — | ◇ UNVERIFIED |
| MCMiller Control and Manufacturing CO INC | Clinton | NC | — | ◇ UNVERIFIED |
| MCMunters CORP - Munters Baton Rouge | Baton Rouge | LA | — | ◇ UNVERIFIED |
| MCMunters Corporation | Lansing | MI | — | ◇ UNVERIFIED |
| NENational Environmental Fiberglass LLC | Adelanto | CA | — | ◇ UNVERIFIED |
| NSNice Shot, LLC Dba Redding Indoor Shooting Range | Redding | CA | — | ◇ UNVERIFIED |
| NANu Aire INC | Long Lake | MN | — | ◇ UNVERIFIED |
| PCPbs Coal Inc/shade Creek Plt | Central City | PA | — | ◇ UNVERIFIED |
| PMPci Medical, Incorporated | Deep River | CT | — | ◇ UNVERIFIED |
| PMPearce Manufacturing, Inc | Cartersville | GA | — | ◇ UNVERIFIED |
| PLPfp, LLC | Lebanon | TN | — | ◇ UNVERIFIED |
| PMPhiladelphia - Mississippi | Philadelphia | MS | — | ◇ UNVERIFIED |
| PCPinnacle Climate Technologies INC | Sauk Rapids | MN | — | ◇ UNVERIFIED |
| PCPollution Control INC. | Hampton | AR | — | ◇ UNVERIFIED |
| PPProtect Plus Companies | Pasadena | TX | — | ◇ UNVERIFIED |
| PPProtect Plus Industries LLC | Pasadena | TX | — | ◇ UNVERIFIED |
| PFPureair Filtration Norcross | Norcross | GA | — | ◇ UNVERIFIED |
| RPResearch Products CORP | Madison | WI | — | ◇ UNVERIFIED |
| RPResearch Products Corporation | Madison | WI | — | ◇ UNVERIFIED |
| RFRobinson Fans Fla INC | Lakeland | FL | — | ◇ UNVERIFIED |
| RBRoots Blower | Connersville | IN | — | ◇ UNVERIFIED |
| RSRotor Source INC | Baton Rouge | LA | — | ◇ UNVERIFIED |
| RCRuskin Company Rochester Plant | Rochester | IN | — | ◇ UNVERIFIED |
| SPSchenck Process - Sabetha | Sabetha | KS | — | ◇ UNVERIFIED |
| SSsimple solutions distributing llc | West Milford | NJ | — | ◇ UNVERIFIED |
| SASkytower Aviation Services, INC. | Santa Ana | CA | — | ◇ UNVERIFIED |
| SISly INC. | Mathiston | MS | — | ◇ UNVERIFIED |
| SSSteag Scr-tech INC | Kings Mountain | NC | — | ◇ UNVERIFIED |
| SFSunshine Filters of Pinellas, INC. | Largo | FL | — | ◇ UNVERIFIED |
| SSuntron | Ottawa | KS | — | ◇ UNVERIFIED |
| TMTalladega Machinery & Supply Company, INC. | Talladega | AL | — | ◇ UNVERIFIED |
| TCTann Corporation | Rancho Cucamonga | CA | — | ◇ UNVERIFIED |
| TSTechnical Safety Services, LLC | Ontario | CA | — | ◇ UNVERIFIED |
| TEThe Energy Conservatory INC | Minneapolis | MN | — | ◇ UNVERIFIED |
 The New York Blower | New Castle | PA | — | ◇ UNVERIFIED |
| The New York Blower Company | Leitchfield | KY | — | ◇ UNVERIFIED |
| The New York Blower Company - Leitchfield Ky | Leitchfield | KY | — | ◇ UNVERIFIED |
| TWThe Whole House Fan Company | Sacramento | CA | — | ◇ UNVERIFIED |
| TDThompson Dehydrating Company, Inc. | Topeka | KS | — | ◇ UNVERIFIED |
| TPTjernlund Products INC | White Bear Lake | MN | — | ◇ UNVERIFIED |
| TCTmi Climate Solutions | Holly | MI | — | ◇ UNVERIFIED |
| TDTri Dim Filter Corporation | Warren | MI | — | ◇ UNVERIFIED |
| TCTwin City Clarage, INC. | Birmingham | AL | — | ◇ UNVERIFIED |
| TCTwin City Fan Companies LTD. | Brookings | SD | — | ◇ UNVERIFIED |
| TCTwin City Fan Companies, LTD | Elkton | SD | — | ◇ UNVERIFIED |
| TCTwin City Fan Companies LTD - Brookings Plant | Brookings | SD | — | ◇ UNVERIFIED |
| UCUnison Comfort Technologies Div of Greenback Fan | Mcclellan | CA | — | ◇ UNVERIFIED |
| UAUS Air Filtration INC | Temecula | CA | — | ◇ UNVERIFIED |
| UOUsdol Osha - Cincinnati Area Office | Cincinnati | OH | — | ◇ UNVERIFIED |
| VTVacuity Tech Corp | Cheyenne | WY | — | ◇ UNVERIFIED |
| VCVerantis Corporation (0247070873) | Lagrange | OH | — | ◇ UNVERIFIED |
| VFVindus Fans CORP | Saint Augustine | FL | — | ◇ UNVERIFIED |
| VIViron International Corporation | Temple | TX | — | ◇ UNVERIFIED |
| VIVmc International, LLC | Fallbrook | CA | — | ◇ UNVERIFIED |
| VEVortech Engineering INC | Oxnard | CA | — | ◇ UNVERIFIED |
| VAVortox Air Technology INC | Claremont | CA | — | ◇ UNVERIFIED |
| WTWorldwide Technologies | Oldsmar | FL | — | ◇ UNVERIFIED |
