| A. & M. Karagheusian | Freehold | NJ |
| Amtrak | New Brunswick | NJ |
| A.M. Water Works & Electric | Red Bank | NJ |
| Anaconda | Harrison | NJ |
| Anaconda | Perth Amboy | NJ |
| Anatron Chemical | Elizabeth | NJ |
| Anchor Hocking Glass | Salem | NJ |
| Ancora State Hospital | Ancora | NJ |
| Andrew Jergens | Belleville | NJ |
| Andromeda | Kearny | NJ |
| Anfec | Pomona | NJ |
| Anheuser-Busch Brewery | Newark | NJ |
| Anheuser-Busch Brewery | East Brunswick | NJ |
| Ankokas Dyeing & Processing | Mount Holly | NJ |
| Antheil Elementary | Ewing | NJ |
| A&P Bakery | Newark | NJ |
| A & P Corrugated Box | South Hackensack | NJ |
| A. P. Green Industries | Bridgeton | NJ |
| Appalachian | Kearny | NJ |
| A.P. Smith | East Orange | NJ |
| A&P Tea | Montvale | NJ |
| Aquarius | Kearny | NJ |
| Archbishop Walsh High School | Irvington | NJ |
| Archer Daniels Midland | Edgewater | NJ |
| ARCO | Berkeley Heights | NJ |
| Arctic Ice Cream | Trenton | NJ |
| Argo Mills | Gloucester | NJ |
| ARMCO | North Bergen | NJ |
| Armour & Company | North Bergen | NJ |
| Armour & Company | Jersey City | NJ |
| Armour Glue Works | Babbitt | NJ |
| Armour Soap Works | Babbitt | NJ |
| Armstrong Cork & Insulation | Millville | NJ |
| Armstrong Cork & Insulation | Elizabeth | NJ |
| Armstrong Cork & Insulation | Camden | NJ |
| Arrow Piece Dyeing & Finishing | Paterson | NJ |
| Asarco | Bridgewater | NJ |
| Asarco | Perth Amboy | NJ |
| Asarco | Somerville | NJ |
| Asbestos Contracting & Supply | Roselle | NJ |
| Asbestos Spray | Newark | NJ |
| A.S. Cameron Steam Pump | Phillipsburg | NJ |
| Ashland Chemical | Newark | NJ |
| Ashland Chemical | Fords | NJ |
| Asiatic Petroleum | East Rutherford | NJ |
| Asphalt Handling Plant | Gloucester | NJ |
| Astaris | Carteret | NJ |
| Atha Steel Works | Harrison | NJ |
| Atlantic City Courthouse Jail | Mays Landing | NJ |
| Atlantic City Electric | Pennsville | NJ |
