| County College Of Morris | Randolph | NJ |
| Courier News | Bridgewater | NJ |
| Courthouse | Mount Holly | NJ |
| Cove Engineer | Camden | NJ |
| Cove Navigator | Camden | NJ |
| C. Pardee Works | Perth Amboy | NJ |
| C.P.C. North America | Bayonne | NJ |
| C. Potter, Jr. & Company | Plainfield | NJ |
| Crane | Trenton | NJ |
| Crescent Insulated Wire & Cable | Trenton | NJ |
| Croll - Reynolds | Teterboro | NJ |
| Cross Transportation | Bridgeton | NJ |
| Crucible Steel | Harrison | NJ |
| Crucible Steel | Jersey City | NJ |
| Crumley Station Power Plant | Trenton | NJ |
| C. Simkin & Sons | Perth Amboy | NJ |
| C.S. Robinson | Princeton | NJ |
| C.S. Wood & Company | West Orange | NJ |
| Cumberland Research | Port Norris | NJ |
| Curtis-Wright | Clifton | NJ |
| Curtis-Wright | Caldwell | NJ |
| Custom Components | Caldwell | NJ |
| C.W. Breneman | Camden | NJ |
| D'Agostino Brothers | Bridgeton | NJ |
| Davey | Jersey City | NJ |
| David C. Seymour | Newark | NJ |
| David Henry Building | Paterson | NJ |
| Deal Artesian Ice | Deal | NJ |
| Decarlo Brothers | Newark | NJ |
| Deepwater Operating | Penns Grove | NJ |
| Deerfield Packing | Bridgeton | NJ |
| Delair Shipyard | Delair | NJ |
| De La Mar Copper Refining | Carteret | NJ |
| Delaval | Trenton | NJ |
| De Laval Steam Turbine | Trenton | NJ |
| Delaware, Lackawanna & Western Railroad | Newark | NJ |
| Delaware, Lackawanna & Western Railroad | Hoboken | NJ |
| Delaware, Lackawanna & Western Railroad | Secaucus | NJ |
| Delaware River & Bay Authority | Cape May | NJ |
| Delaware Rolling Mill | Phillipsburg | NJ |
| Delaware Valley Regional High School | Frenchtown | NJ |
| Del Monte | Swedesboro | NJ |
| Delta Microwave | Hackensack | NJ |
| Deman Avenue School | East Orange | NJ |
| Dentronics | Hackensack | NJ |
| Denzer & Schaffer | Bayville | NJ |
| Department Of Labor & Industry | Trenton | NJ |
| Devro Pilot Plant | Bridgewater | NJ |
| De Witt Brothers & Company | Belleville | NJ |
| Dexter & Carpenter | Runyon | NJ |
