| Johnson Controls Navy Systems, LLC | York | PA | $389M |
| Trane U.S. Inc. | Davidson | NC | $357M |
| Aldevra LLC | Kalamazoo | MI | $80.5M |
| Engineered Coil Company | High Ridge | MO | $62.7M |
| TLD America Corporation | Windsor | CT | $31.7M |
| Imeco Inc. | Marinette | WI | $31.5M |
| Phoenix Systems Engineering Inc. | Lake Mary | FL | $25.8M |
| Cospolich Inc. | Destrehan | LA | $25.7M |
| Sanei Thanks, K.k. | Koza-gun | | $19.8M |
| Snowbird Technologies Inc. | Jacksonville | FL | $19.1M |
| Howell Laboratories Inc. | Bridgton | ME | $18.4M |
| Eoi Inc. | Lewis Center | OH | $15.9M |
| Daikin Applied Americas Inc. | Minneapolis | MN | $14.7M |
| Venturedyne Ltd. | Holland | MI | $12.4M |
| Samsung Electronics Co.,ltd. | Suwon | | $12.3M |
| PHC Corporation Of North America | Wood Dale | IL | $10.9M |
| Polar King International, Inc. | Fort Wayne | IN | $7.54M |
| Multistack LLC | Sparta | WI | $6.46M |
| Portable Air Group LLC | Chapel Hill | NC | $6.37M |
| Biofridge Inc. | Escondido | CA | $5.42M |
| Mccann Contracting Inc. | Bellevue | NE | $5.25M |
| GFKK Gesellschaft Fur Kaltetechnik-klimatechnik Mit Beschrankter Haftung | Koln | | $4.19M |
| HDT Expeditionary Systems, Inc. | Cincinnati | OH | $3.97M |
| Tactical Environmental Systems Inc. | Milford | OH | $3.82M |
| Helmer Scientific LLC | Noblesville | IN | $3.72M |
| Applied Companies | Santa Clarita | CA | $3.6M |
| Surfacide, LLC | Waukesha | WI | $3.49M |
| Energy Quest Technologies Inc. | Apache Junction | AZ | $2.92M |
| So-low Environmental Equipment, Co. | Cincinnati | OH | $2.5M |
| Carrier Singapore (pte) Limited | Singapore | | $2.49M |
| Pulcir Inc. | Knoxville | TN | $2.45M |
| The Rae Corporation | Pryor | OK | $2.28M |
| Flagship Marine, Inc. | Stuart | FL | $2.24M |
| MGR Equipment Corp. | Inwood | NY | $1.96M |
| Oshkosh Aerotech, LLC | Roy | UT | $1.95M |
| R. J. Murray Co. Inc. | Latham | NY | $1.82M |
| PRTS Global, LLC | Houston | TX | $1.64M |
| Mallory Engineering, Inc. | Woods Cross | UT | $1.57M |
| Combustion Service & Equipment Co. | Pittsburgh | PA | $1.54M |
| Environmental Specialties, LLC | Raleigh | NC | $1.48M |
| Munters Corporation | Amesbury | MA | $1.43M |
| Bluefors Cryocooler Technologies Inc. | Syracuse | NY | $1.33M |
| Kanemitsu Reisho Co. Ltd. | Naha | | $1.25M |
| Super Radiator Coils Limited Partnership | Richmond | VA | $1.22M |
| Cd Mechanical, Inc. | Pueblo | CO | $1.18M |
| Griffin Chapman Environmental Inc. | Stoney Creek | ON | $1.15M |
| The Filtrine Manufacturing Company, Inc. | Keene | NH | $1.09M |
| Espec North America Inc. | Hudsonville | MI | $1.07M |
| Cryomech, Inc. | Syracuse | NY | $1.04M |
| Portacool, LLC | Center | TX | $937K |
| HDT Expeditionary Systems Inc.Geneva, OH · UEI D7EFDCJDFJF1 | Geneva | OH | $933K |
| Neotech Engineered Products, Inc. | Chino Hills | CA | $873K |
| Ametek Airtechnology Group Limited | Sunbury-on-thames | | $835K |
| Lee Collins Air Conditioning Company | Phoenix | AZ | $792K |
| Elitaire LLC | Blue Ash | OH | $727K |
| Rpe Engineering Company Limited | Samutprakan | | $693K |
| Geneva Scientific, LLC | Williams Bay | WI | $659K |
| Millrock Technology Inc. | Kingston | NY | $635K |
| Daikin Applied Latin America, L.L.C. | Miami | FL | $633K |
| Cold Tex Refrigeration, LLC | Terrell | TX | $615K |
| Hl Gebaeudetechnik GMBH | Dieburg | | $610K |
| Haskris Co. | Elmhurst | IL | $609K |
| Skycool Systems Inc. | Mountain View | CA | $598K |
| Thermo-cycler Industries Inc. | Union Mills | IN | $583K |
| HFC Hudson Fisonic Corp. | New York | NY | $577K |
| Cosmos Air Purification & Environmental Systems, Inc. | Hyattsville | MD | $454K |
| Parameter Generation And Control, Incorporated | Black Mountain | NC | $451K |
| Lippe Federal, LLC | Oklahoma City | OK | $439K |
| Link Group Inc. | Warminster | PA | $434K |
| Global Cooling Inc. | Athens | OH | $430K |
| Katom Restaurant Supply, Inc. | Kodak | TN | $429K |
| Baltimore Aircoil Company, Inc. | Jessup | MD | $414K |
| Briggs Service, Inc. | Buckeye | AZ | $403K |
| Mydax, Inc. | Auburn | CA | $389K |
| Johson Controls Industries | Carquefou | PAYS DE LA LOIRE | $382K |
| National Compressor Exchange Inc. | Maspeth | NY | $378K |
| Kooltronic, Inc. | Pennington | NJ | $377K |
| Klinge Corporation | York | PA | $376K |
| Swegon Operations S.R.L. | Cona | VEN | $351K |
| Mainstream Fluid & Air LLC | Berkeley Heights | NJ | $348K |
| H. A. Gray & Associates, Inc. | San Antonio | TX | $339K |
| Thermell Manufacturing Products, LLC | Ft Worth | TX | $338K |
| Assad Baghdad Company | Baghdad | | $333K |
| Ameri Serv Water Technology, LLC | Jacksonville | FL | $329K |
| Broad U.S.A Inc. | Hackensack | NJ | $293K |
| Refrigeration Supplies Distributor | Lake Forest | CA | $293K |
| American Cooling Tower Inc. | Santa Ana | CA | $293K |
| Havtech, LLC | Columbia | MD | $281K |
| O'brien Equipment, Inc. | Memphis | TN | $274K |
| Ram Engineering Solutions Corp. | Paramus | NJ | $263K |
| Reit Services LLC | Clarksville | VA | $259K |
| Zorzetto Mario SRL | Gaiarine | TV | $257K |
| Dimplex Thermal Solutions, Inc. | Kalamazoo | MI | $241K |
| HDT Expeditionary Systems Inc.Florence, KY · UEI RL45D23ZV7J6 | Florence | KY | $230K |
| Scientemp Corp. | Adrian | MI | $228K |
| R.b. Akins Co. | Oklahoma City | OK | $223K |
| Heat Transfer Solutions Inc. | Houston | TX | $222K |
| Morin Distribution, Inc. | Columbia | MD | $219K |
| Eic Solutions, Inc. | Warminster | PA | $210K |
| Tower Engineering, Inc. | Fort Worth | TX | $207K |
