| CTConcordia Technologies | Concordia | KS | 20–99 | ● ACTIVE |
| CICondo Incorporated | Warren | OH | — | ● ACTIVE |
Conductix INC | Omaha | NE | — | ● ACTIVE |
Conformance Coatings and Prototype, INC | Marysville | MI | — | ● ACTIVE |
Connecta CORP | Indianapolis | IN | — | ● ACTIVE |
Conroe Machine, LLC | Conroe | TX | 20–99 | ● ACTIVE |
Consolidated Foundries, INC | Cudahy | CA | — | ● ACTIVE |
Consolidated Models, INC | Ayden | NC | — | ● ACTIVE |
Consolidated Steel, INC. | Cedar Bluff | VA | 100–499 | ● ACTIVE |
Construction Forms, INC. | Port Washington | WI | — | ● ACTIVE |
Container Research CORP | Aston | PA | 100–499 | ● ACTIVE |
Contine CORP | Erie | PA | 20–99 | ● ACTIVE |
Continental Aircraft Support, INC. | Miami Lakes | FL | 20–99 | ● ACTIVE |
Continuum Capital LLC | Braselton | GA | — | ● ACTIVE |
Control Logistics INC | Lake Worth Beach | FL | — | ● ACTIVE |
| CCControls Corporation of America | Virginia Beach | VA | — | ● ACTIVE |
Conturo Prototyping LLC | Pittsburgh | PA | — | ● ACTIVE |
Conway Manufacturing Group, INC | Conway | AR | — | ● ACTIVE |
Cope Plastics INC | Alton | IL | 100–499 | ● ACTIVE |
Coredux USA LLC | San Diego | CA | — | ● ACTIVE |
Core Manufacturing LLC | Mentor | OH | — | ● ACTIVE |
| CTCore Technology Molding CORP | Greensboro | NC | 20–99 | ● ACTIVE |
| CECorsair Engineering INC | Flint | MI | 20–99 | ● ACTIVE |
Cosmodyne, LLC | Seal Beach | CA | 20–99 | ● ACTIVE |
Cotsworks INC | Highland Heights | OH | 100–499 | ● ACTIVE |
Courter-hall Company | Garland | TX | — | ● ACTIVE |
Covert Manufacturing, INC | Galion | OH | — | ● ACTIVE |
Cox & Company, INC. | Plainview | NY | — | ● ACTIVE |
Cpd Industries | Montclair | CA | — | ● ACTIVE |
Cpi Aerostructures INC | Edgewood | NY | 100–499 | ● ACTIVE |
| CMCp Manufacturing INC | San Diego | CA | 100–499 | ● ACTIVE |
Craddock Furniture Corporation | Evansville | IN | — | ● ACTIVE |
Craftsman Tool & Mold CO. | Aurora | IL | 20–99 | ● ACTIVE |
| CMCraig Manufacturing USA INC. | Ethridge | TN | 20–99 | ● ACTIVE |
| CECrane Electronics INC | Lynnwood | WA | 100–499 | ● ACTIVE |
Crane Pumps & Systems Pft CORP | Piqua | OH | — | ● ACTIVE |
Crc Evans Pipeline International INC. | Houston | TX | 20–99 | ● ACTIVE |
Creed 2.0, LLC | New Britain | CT | 100–499 | ● ACTIVE |
Crescent Manufacturing Operating Company | Burlington | CT | 20–99 | ● ACTIVE |
| CCCrest Coating, INC | Anaheim | CA | 100–499 | ● ACTIVE |
Cr Onsrud INC | Troutman | NC | 100–499 | ● ACTIVE |
Cross Machine, INC. | Berlin | NH | — | ● ACTIVE |
Crossville Hydraulics, INC | Crossville | TN | — | ● ACTIVE |
C&r Racing, Incorporated | Indianapolis | IN | — | ● ACTIVE |
Crucible Metal Solutions INC | Menasha | WI | — | ● ACTIVE |
Crystal Engineering Co., INC. | Newburyport | MA | — | ● ACTIVE |
Csi Aerospace, INC. | Broken Arrow | OK | — | ● ACTIVE |
C & S Machine & Manufacturing CORP | Louisville | KY | — | ● ACTIVE |
Cue INC | Cranberry Township | PA | 20–99 | ● ACTIVE |
Cuevas Machine Co., INC. | Poplarville | MS | — | ● ACTIVE |
| CFCummins Filtration INC. | Cookeville | TN | 500+ | ● ACTIVE |
| CMCunningham Machine Co., INC. | Chelmsford | MA | — | ● ACTIVE |
Cunningham Manufacturing CO | Seattle | WA | — | ● ACTIVE |
| CPCurrier Plastics INC. | Auburn | NY | 100–499 | ● ACTIVE |
| CPCurtis Products INC | South Bend | IN | 100–499 | ● ACTIVE |
| CFCurtiss-wright Flow Control Service, LLC | Aston | PA | 100–499 | ● ACTIVE |
Custom Cnc LLC | Clyde | NC | — | ● ACTIVE |
Custom Fiberglass Molding, INC. | Weyauwega | WI | — | ● ACTIVE |
Custom Manufacturing Services, INC | Princeton | WV | — | ● ACTIVE |
Custom Marine INC | Neenah | WI | 20–99 | ● ACTIVE |
Custom Microwave, INC. | Longmont | CO | — | ● ACTIVE |
| CMCustom Molding Solutions, INC. | Churchville | NY | — | ● ACTIVE |
| CPCustom Profiles, INC. | Fitzgerald | GA | 20–99 | ● ACTIVE |
Custom Specialty Fabrication LLC | Aiken | SC | — | ● ACTIVE |
Custom Tooling & Fabrication LLC | Loveland | CO | — | ● ACTIVE |
Custom Tool & Machine, INC | Roanoke | VA | — | ● ACTIVE |
Cutting Dynamics, LLC | Avon | OH | — | ● ACTIVE |
Cutting Edge Enterprise, LLC | Decorah | IA | — | ● ACTIVE |
C V Tool Company INC | Southington | CT | — | ● ACTIVE |
Cyclefab, LLC | Renton | WA | — | ● ACTIVE |
Cyient Defense Services, INC. | Jupiter | FL | 1–19 | ● ACTIVE |
Cylindrical Precision, LLC | Minneapolis | MN | — | ● ACTIVE |
Cymstar Services LLC | Broken Arrow | OK | 20–99 | ● ACTIVE |
Dale Engineering & Son INC | Bedford | MA | — | ● ACTIVE |
Dalton Manufacturing Group INC | Amesbury | MA | — | ● ACTIVE |
Dameron Alloy Foundries | Cypress | CA | 1–19 | ● ACTIVE |
Damon Company of Salem, INC. | Salem | VA | — | ● ACTIVE |
| DEDanco En, LLC | Ontario | CA | 20–99 | ● ACTIVE |
| DPDanco Precision, INC. | Phoenixville | PA | — | ● ACTIVE |
Dane Manufacturing CO | Waunakee | WI | 100–499 | ● ACTIVE |
Danko Arlington, INC. | Baltimore | MD | — | ● ACTIVE |
Darkaero INC | Madison | WI | — | ● ACTIVE |
Darko Precision, INC | Santa Clara | CA | — | ● ACTIVE |
Data Security, INC | Lincoln | NE | 20–99 | ● ACTIVE |
| DMDavenport Manufacturing Group | Fremont | IN | 20–99 | ● ACTIVE |
David Packard Company, INC. | Oxford | MA | — | ● ACTIVE |
| DSDavis Standard LLC | Fulton | NY | 100–499 | ● ACTIVE |
| DTDavis Tool INC | Hillsboro | OR | — | ● ACTIVE |
Davlan Engineering, INC | Saint Louis | MO | — | ● ACTIVE |
Dav-tech Plating, INC. | Marlborough | MA | — | ● ACTIVE |
Dayton-granger, INC. | Fort Lauderdale | FL | — | ● ACTIVE |
Dbg Arkansas LLC | Conway | AR | 100–499 | ● ACTIVE |
D & D Precision Machine Company, INC. | Middleboro | MA | 20–99 | ● ACTIVE |
Decatur Mold Tool and Engineering INC | North Vernon | IN | 100–499 | ● ACTIVE |
Decco Castings INC | El Cajon | CA | — | ● ACTIVE |
| DDDechert Dynamics CORP | Palmyra | PA | 20–99 | ● ACTIVE |
Decker Manufacturing CORP | Albion | MI | — | ● ACTIVE |
Deco Products Company, Lllp | Decorah | IA | — | ● ACTIVE |
| DZDee Zee, INC | Des Moines | IA | — | ● ACTIVE |
| DJDe Jong Manufacturing, INC. | New Sharon | IA | 20–99 | ● ACTIVE |