 Carley Foundry INC | Blaine | MN | Primary Metal Manufacturing331512 | — | ◇ UNVERIFIED |
| CCCarlisle Coating & Waterproofing | Wylie | TX | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| CCCarlisle Construction Materials, LLC | Lake City | FL | Plastics and Rubber Products Manufacturing326140 | — | ◇ UNVERIFIED |
| CPCarlisle Polyurethane Systems | Berea | OH | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
| CPCarlisle Power Transmission Products | Fort Scott | KS | Petroleum and Coal Products Manufacturing324122 | — | ◇ UNVERIFIED |
| CPCarlson Prods | Maize | KS | Fabricated Metal Product Manufacturing332119 | — | ◇ UNVERIFIED |
| CCCarlyle Compressor Remanufacturing | Stone Mountain | GA | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| CPCarolina Pole INC | Eutawville | SC | Wood Product Manufacturing321113 | — | ◇ UNVERIFIED |
| CSCarolina Steel Corporation | Nashville | NC | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| CCCarpenter Company Lakeland 60 | Lakeland | FL | Plastics and Rubber Products Manufacturing326140 | — | ◇ UNVERIFIED |
| CCCarpenter CO. Riverside Division | Riverside | CA | Textile Product Mills314999 | — | ◇ UNVERIFIED |
 Carpenter Technology CORP | Tanner | AL | Primary Metal Manufacturing331110 | — | ◇ UNVERIFIED |
| Carpenter Technology CORP - Athens South Facility | Tanner | AL | Primary Metal Manufacturing331111 | — | ◇ UNVERIFIED |
| CCCarrera Custom Painting | Elkhart | IN | Transportation Equipment Manufacturing336211 | — | ◇ UNVERIFIED |
| CCCarroll Coolers, INC | Carroll | IA | Machinery Manufacturing333415 | — | ◇ UNVERIFIED |
| COCarry on Trailer CORP | Callao | VA | Transportation Equipment Manufacturing336212 | — | ◇ UNVERIFIED |
| COCarry on Trailer CORP | Coburg | OR | Transportation Equipment Manufacturing336212 | — | ◇ UNVERIFIED |
| CTCarry-on Trailer CORP | Missouri Valley | IA | Machinery Manufacturing333111 | — | ◇ UNVERIFIED |
| CCCarson City Block Plant | Carson City | NV | Nonmetallic Mineral Product Manufacturing327331 | — | ◇ UNVERIFIED |
| CCCarson City Plant | Carson City | NV | Fabricated Metal Product Manufacturing332117 | — | ◇ UNVERIFIED |
| CICarstens Industries Fiberglass Manufacturing | Melrose | MN | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| CBCarstin Brands INC | Arthur | IL | Plastics and Rubber Products Manufacturing326191 | — | ◇ UNVERIFIED |
| CCCarus CORP Lasalle Site | Lasalle | IL | Chemical Manufacturing325130 | — | ◇ UNVERIFIED |
| CCCarus Corporation Belmont Site | Belmont | NC | Chemical Manufacturing325180 | — | ◇ UNVERIFIED |
| CCCascade CORP (0812100207) | Springfield | OH | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| CDCascade Die Casting Mid-state | Grand Rapids | MI | Primary Metal Manufacturing331522 | — | ◇ UNVERIFIED |
| CKCascade Kenhar INC | Findlay | OH | Fabricated Metal Product Manufacturing332111 | — | ◇ UNVERIFIED |
| CCCass Clay Creamery INC | Fargo | ND | Food Manufacturing311511 | — | ◇ UNVERIFIED |
| CPCass Precision Machining | Brooklyn Center | MN | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
 Cass Screw Machine Products | Brooklyn Center | MN | Fabricated Metal Product Manufacturing332721 | — | ◇ UNVERIFIED |
| CRCast Rite CORP | Gardena | CA | Primary Metal Manufacturing331521 | — | ◇ UNVERIFIED |
| CPCatalina Pacific Concrete CO El Segundo Plant | El Segundo | CA | Nonmetallic Mineral Product Manufacturing327310 | — | ◇ UNVERIFIED |
| CYCatalina Yachts, INC. | Largo | FL | Transportation Equipment Manufacturing336612 | — | ◇ UNVERIFIED |
| CICatalytic Innovations - North Plant | Rolla | MO | Chemical Manufacturing325311 | — | ◇ UNVERIFIED |
| CICaterpillar INC. | Boonville | MO | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| CICaterpillar, INC. | Pomona | MO | Plastics and Rubber Products Manufacturing326220 | — | ◇ UNVERIFIED |
| CICaterpillar INC Hydraulic Cylinder Group Sumter | Sumter | SC | Machinery Manufacturing333120 | — | ◇ UNVERIFIED |
| CICaterpillar INC Lagrange | Lagrange | GA | Machinery Manufacturing333111 | — | ◇ UNVERIFIED |
| CRCaterpillar Remanufacturing Drivetrain LLC | West Fargo | ND | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| CWCatoe's Welding & Fabrication INC | Rock Hill | SC | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| CHCavalier Home Builders LLC Addison Div | Addison | AL | Wood Product Manufacturing321991 | — | ◇ UNVERIFIED |
| CICavco Industries LLC | Goodyear | AZ | Wood Product Manufacturing321991 | — | ◇ UNVERIFIED |
| CCCayuga Concrete Pipe | Croydon | PA | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| CHCb&i Houston Plant | Houston | TX | Fabricated Metal Product Manufacturing332313 | — | ◇ UNVERIFIED |
| CCCci Chemical Corporation | Los Angeles | CA | Chemical Manufacturing325130 | — | ◇ UNVERIFIED |
| CCCcp Composites US | Houston | TX | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
| CTCdi Torque Products | Rowland Heights | CA | Fabricated Metal Product Manufacturing332212 | — | ◇ UNVERIFIED |
| CPCdr Pigments and Dispersions | Beaufort | SC | Chemical Manufacturing325130 | — | ◇ UNVERIFIED |
| CDC & D Valve Manufacturing CO | Oklahoma City | OK | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| CSCekal Specialties, INC. | Mount Holly | NC | Chemical Manufacturing325613 | — | ◇ UNVERIFIED |
