| BGBeaver General Machine | Santa Fe Springs | CA | — | ◇ UNVERIFIED |
| BTBeck Tool, INC. | Edinboro | PA | — | ◇ UNVERIFIED |
| BTBelco Tool & Mfg., INC. | Meadville | PA | — | ◇ UNVERIFIED |
| BKBel Kur INC | Temperance | MI | — | ◇ UNVERIFIED |
| BABellota Agrisolutions & Tools LLC | Rock Island | IL | — | ◇ UNVERIFIED |
| BPBenco Precision Machining INC | Gloucester | MA | — | ◇ UNVERIFIED |
 Bennett Die & Tool INC. | Ithaca | NY | — | ◇ UNVERIFIED |
| BIBennett's INC | Dyersburg | TN | — | ◇ UNVERIFIED |
| BIBermo INC | Circle Pines | MN | — | ◇ UNVERIFIED |
| BPBeta Prototyping Lab | Bentonville | AR | — | ◇ UNVERIFIED |
| BMB&j Mold Tech INC | Santa Fe Springs | CA | — | ◇ UNVERIFIED |
| BRB-j Rocket of America Incorporated | Middlebury | IN | — | ◇ UNVERIFIED |
| BMBlandford Machine & Tool Co., INC. | Louisville | KY | — | ◇ UNVERIFIED |
| BMB & M Mfg INC | Arleta | CA | — | ◇ UNVERIFIED |
| BVBonney Vehslage Tool CO. | Springfield | NJ | — | ◇ UNVERIFIED |
 Bradley-thompson Tool Company | Southfield | MI | — | ◇ UNVERIFIED |
| BTBranch Tool INC | Walnut Grove | KY | — | ◇ UNVERIFIED |
| BPBranson Pattern Works | Hollister | MO | — | ◇ UNVERIFIED |
| BMBretford Manufacturing INC | Schiller Park | IL | — | ◇ UNVERIFIED |
| BIBristol Integrated Tooling and Automation LLC | Bristol | IN | — | ◇ UNVERIFIED |
| BPBrowns Precision Forging Die , Dba, Eastern Pacific Impressions CO. | Santa Ana | CA | — | ◇ UNVERIFIED |
| BMBry Mac INC Dba Dietech | Norton Shores | MI | — | ◇ UNVERIFIED |
| BMBtd Manufacturing INC | Detroit Lakes | MN | — | ◇ UNVERIFIED |
| BBBusy Bee Tooling | Ontario | CA | — | ◇ UNVERIFIED |
| BBButler Brothers Redevelopment Corporation | Saint Louis | MO | — | ◇ UNVERIFIED |
| CMCaliber Mold & Engineering INC | Lake Forest | CA | — | ◇ UNVERIFIED |
| CICambrian Industries INC | El Paso | TX | — | ◇ UNVERIFIED |
| CICapco INC | Grand Junction | CO | — | ◇ UNVERIFIED |
| CPCarlsen Precision Manufacturing | Rome | GA | — | ◇ UNVERIFIED |
| CTCarlson Tool & Manufacturing CORP | Cedarburg | WI | — | ◇ UNVERIFIED |
| CTCarroll Tool & Die CO | Macomb | MI | — | ◇ UNVERIFIED |
| CPCarro Price LLC | Marion | OH | — | ◇ UNVERIFIED |
| CTCatalina Tool & Mold | Tucson | AZ | — | ◇ UNVERIFIED |
 CB Marcellus Metalcasters, Inc. | Marcellus | MI | — | ◇ UNVERIFIED |
| CDC&c Die Engraving INC. | Santa Fe Springs | CA | — | ◇ UNVERIFIED |
| CCC & C Specialties, LLC | Rockmart | GA | — | ◇ UNVERIFIED |
| CLCedar Lake Engineering INC | Maple Lake | MN | — | ◇ UNVERIFIED |
| CMCentral Moloney, LLC - Tooling Plant | Redfield | AR | — | ◇ UNVERIFIED |
| CGChampagne Grinding | Canton | MI | — | ◇ UNVERIFIED |
| CDChampion Die Incorporated | Comstock Park | MI | — | ◇ UNVERIFIED |
 Chancey Metals Ramonda Blvd Facility | Jacksonville | FL | — | ◇ UNVERIFIED |
| CMCharger Manufacturing Formerly Maryco Mfg., INC. | Clayton | OH | — | ◇ UNVERIFIED |
| CECheek Engineering | Irvine | CA | — | ◇ UNVERIFIED |
| CLChiptec, LLC | Decatur | AL | — | ◇ UNVERIFIED |
| CPC&k Printing INC | Des Moines | IA | — | ◇ UNVERIFIED |
| CEClark Engineering CO | Spring Valley | CA | — | ◇ UNVERIFIED |
| CAClassic Auto & Body Repair Shop LLC | Buena Park | CA | — | ◇ UNVERIFIED |
| CLC & L Tool & Die INC | Port Saint Lucie | FL | — | ◇ UNVERIFIED |
| CPCm Products INC | Lake Zurich | IL | — | ◇ UNVERIFIED |
| CMCnk Machine Manufacturing INC | Richmond | VA | — | ◇ UNVERIFIED |
