| CCincinnati | Cincinnati | OH | 20–99 | ◐ LIKELY ACTIVE |
| CBCincinnati Branch | Mason | OH | 1–19 | ◐ LIKELY ACTIVE |
| CMClaw Manufacturing, LLC | Catoosa | OK | 20–99 | ◐ LIKELY ACTIVE |
| CCClayton Controls - Placentia | Placentia | CA | 1–19 | ◐ LIKELY ACTIVE |
| CCClayton Controls - Santa Ana | Santa Ana | CA | 20–99 | ◐ LIKELY ACTIVE |
| CIClayton Industries | City of Industry | CA | 100–499 | ◐ LIKELY ACTIVE |
Clayton Manufacturing Company Cincinnati | Cincinnati | OH | 20–99 | ◐ LIKELY ACTIVE |
Clayton Manufacturing Company New Jersey | Cranbury | NJ | 1–19 | ◐ LIKELY ACTIVE |
| CBCleveland Branch | Richfield | OH | 20–99 | ◐ LIKELY ACTIVE |
| CCCMS Cooling LLC | El Mirage | AZ | 20–99 | ◐ LIKELY ACTIVE |
| CHCoastal Hydraulics | Charleston | SC | 20–99 | ◐ LIKELY ACTIVE |
| CICodab International LLC | Katy | TX | — | ◐ LIKELY ACTIVE |
| CCColmac Coil Manufacturing, Inc. | Colville | WA | 100–499 | ◐ LIKELY ACTIVE |
| CHColorado Heating & Cooling LLC | Yuma | AZ | — | ◐ LIKELY ACTIVE |
| CRCombined Refrigeration Resources Inc. | Houston | TX | 100–499 | ◐ LIKELY ACTIVE |
| CBCommercial Boiler Solutions, LLC | Lancaster | PA | 100–499 | ◐ LIKELY ACTIVE |
| CHCommercial HVAC - Americas : MFG-Charlotte, NC-USA | Charlotte | NC | 100–499 | ◐ LIKELY ACTIVE |
| CHCommercial HVAC - Americas : MFG-Clarksville, TN-USA | Clarksville | TN | 500+ | ◐ LIKELY ACTIVE |
| CHCommercial HVAC - Americas : MFG-Columbia, SC-USA | Columbia | SC | 500+ | ◐ LIKELY ACTIVE |
| CHCommercial HVAC - Americas : MFG-FairLawn NJ-USA | Fair Lawn | NJ | 20–99 | ◐ LIKELY ACTIVE |
| CHCommercial HVAC - Americas : MFG-Ft. Smith1, AR-USA | Fort Smith | AR | 100–499 | ◐ LIKELY ACTIVE |
| CHCommercial HVAC - Americas : MFG-Grand Rapids Chillers MI-USA | Grand Rapids | MI | 100–499 | ◐ LIKELY ACTIVE |
| CHCommercial HVAC - Americas : MFG-Grand Rapids Final Finisher MI-USA | Grand Rapids | MI | 100–499 | ◐ LIKELY ACTIVE |
| CHCommercial HVAC - Americas : MFG-La Crosse, WI-USA | La Crosse | WI | 500+ | ◐ LIKELY ACTIVE |
| CHCommercial HVAC - Americas : MFG-Lynn Haven, FL-USA | Panama City | FL | 500+ | ◐ LIKELY ACTIVE |
| CHCommercial HVAC - Americas : MFG-Newberry, SC-USA | Newberry | SC | 100–499 | ◐ LIKELY ACTIVE |
| CHCommercial HVAC - Americas : MFG-Pueblo, CO-USA | Pueblo | CO | 500+ | ◐ LIKELY ACTIVE |
| CHCommercial HVAC - Americas : MFG-Rushville, IN-USA | Rushville | IN | 100–499 | ◐ LIKELY ACTIVE |
| CHCommercial HVAC - Americas : MFG-Waco, TX-USA | Mc Gregor | TX | 100–499 | ◐ LIKELY ACTIVE |
| CAComplete Air Conditioning & Refrigeration INC | Panama City | FL | — | ◐ LIKELY ACTIVE |
| CCCopeland Corporation LLC Plant #14 | Rushville | IN | 100–499 | ◐ LIKELY ACTIVE |
| COCorporate Office | Trenton | GA | 100–499 | ◐ LIKELY ACTIVE |
| CTCorrective Temp Solutions LLC | Central Islip | NY | — | ◐ LIKELY ACTIVE |
| CMCross Manufacturing Inc. - Pratt | Pratt | KS | 1–19 | ◐ LIKELY ACTIVE |
| CLCryoquip/Houston LLC | Houston | TX | 20–99 | ◐ LIKELY ACTIVE |
| CLCryoquip, LLC | Temecula | CA | — | ◐ LIKELY ACTIVE |
| CHCummings Heating & Cooling Wholesale Distributing, INC. | Forrest City | AR | — | ◐ LIKELY ACTIVE |
| CBCust-O-Fab Beaumont | Beaumont | TX | 20–99 | ◐ LIKELY ACTIVE |
| CSCust-O-Fab Sand Springs | Sand Springs | OK | 100–499 | ◐ LIKELY ACTIVE |
| DADaikin Applied | Verona | VA | 500+ | ◐ LIKELY ACTIVE |
| DADaikin Applied - Faribault South | Faribault | MN | 500+ | ◐ LIKELY ACTIVE |
| DMDaikin Modular Solutions | Phoenix | AZ | 20–99 | ◐ LIKELY ACTIVE |
| DTDaikin Texas Technology Park | Waller | TX | 500+ | ◐ LIKELY ACTIVE |
| DBDallas Branch | Lewisville | TX | 1–19 | ◐ LIKELY ACTIVE |
| DDanfoss | Louisville | KY | 20–99 | ◐ LIKELY ACTIVE |
| DPData Power Technology LLC | Omaha | NE | — | ◐ LIKELY ACTIVE |
| DBDecorative Bark Manufacturer | Yreka | CA | 20–99 | ◐ LIKELY ACTIVE |
| DCDelta Cooling Towers | Philippi | WV | 20–99 | ◐ LIKELY ACTIVE |
| DIDeltak Inc | Plymouth | MN | 20–99 | ◐ LIKELY ACTIVE |
| DBDenver Branch | Englewood | CO | 1–19 | ◐ LIKELY ACTIVE |