| APaction Anodizing & Plating & Polishing CORP Superfund Site | Copiague | NY | — | ◇ UNVERIFIED |
| ADAction Disposal | Chicago | IL | — | ◇ UNVERIFIED |
| ATAcuitive Technologies INC | Allendale | NJ | — | ◇ UNVERIFIED |
| ABAcuity Brands Lighting | Hanover Park | IL | — | ◇ UNVERIFIED |
| ABAcuity Brands Lighting, INC. - North Plant | Crawfordsville | IN | — | ◇ UNVERIFIED |
| APAdams Pakkawood/xidex Area | Holyoke | MA | — | ◇ UNVERIFIED |
| AAAdd a Nickel Plating Services (1318588243)add a Nickel Plating Services (1318588 | Walton Hills | OH | — | ◇ UNVERIFIED |
| ABAdept Blast and Paint INC | Hutchinson | MN | — | ◇ UNVERIFIED |
| AAAdvanced Anodize INC | Newark | CA | — | ◇ UNVERIFIED |
| ACAdvanced Custom Chrome | Erie | PA | — | ◇ UNVERIFIED |
| AGAdvanced Galvanics INC | Bensenville | IL | — | ◇ UNVERIFIED |
| AMAdvanced Material Coatings | Thomasville | NC | — | ◇ UNVERIFIED |
 Advanced Materials Technologies INC | Chandler | AZ | — | ◇ UNVERIFIED |
| AMAdvanced Material Svcs | Aurora | IL | — | ◇ UNVERIFIED |
| AMAdvanced Medical Optics | Santa Ana | CA | — | ◇ UNVERIFIED |
| AMAdvanced Metal Finishing | El Mirage | AZ | — | ◇ UNVERIFIED |
| AMAdvanced Mold Tech/erie | Erie | PA | — | ◇ UNVERIFIED |
| APAdvanced Plating Fire | Nashville | TN | — | ◇ UNVERIFIED |
| APAdvanced Plating Solutions LLC Dba D & J Plating INC | Ankeny | IA | — | ◇ UNVERIFIED |
| ASAdvanced Signing Incorporated | Medway | MA | — | ◇ UNVERIFIED |
| ASAdvanced Sterilization Products INC. C/o Ups Supply Chain Solutions INC. | Swedesboro | NJ | — | ◇ UNVERIFIED |
| ASAdvanced Sterilzation Products INC. | Memphis | TN | — | ◇ UNVERIFIED |
| AFAdvance Fiberglass INC | North Little Rock | AR | — | ◇ UNVERIFIED |
| APAdvance Plating Works | Indianapolis | IN | — | ◇ UNVERIFIED |
| ATAdvantage Tree Service and Lawncare | Charleston | IL | — | ◇ UNVERIFIED |
| ALAdvita LLC | Gainesville | FL | — | ◇ UNVERIFIED |
| AAAe Anodizing | San Jose | CA | — | ◇ UNVERIFIED |
| AEA & E Anodizing Company Incorporated | San Jose | CA | — | ◇ UNVERIFIED |
| AIAeco, INC | Philadelphia | PA | — | ◇ UNVERIFIED |
| AEA & E Customs INC. | Fort Pierce | FL | — | ◇ UNVERIFIED |
| APAerodynamic Plating Company | Gardena | CA | — | ◇ UNVERIFIED |
| APAero Plating Works | Chicago | IL | — | ◇ UNVERIFIED |
| ACAeropres Corporation - San Dimas, Ca | San Dimas | CA | — | ◇ UNVERIFIED |
| ADAerospace Defense Coatings of Ga | Macon | GA | — | ◇ UNVERIFIED |
| ADAerospace Defense Coatings of Georgia | Macon | GA | — | ◇ UNVERIFIED |
| ATAero Tech Metal Finishing, INC. | San Antonio | TX | — | ◇ UNVERIFIED |
| AIAetnacraft Industries INC | Brooklyn | NY | — | ◇ UNVERIFIED |
| ACAffiliated Computer Services | Utica | NY | — | ◇ UNVERIFIED |
| AFA & F Plating Company | Providence | RI | — | ◇ UNVERIFIED |
| AIAgri-load INC | Joliet | IL | — | ◇ UNVERIFIED |
| AFAircraft Finishing CORP | Farmingdale | NY | — | ◇ UNVERIFIED |
| AFAir Force Plant #38 | Ransomville | NY | — | ◇ UNVERIFIED |
| APAirline Plating | Houston | TX | — | ◇ UNVERIFIED |
| AEAirmarine Electroplating CORP | Freeport | NY | — | ◇ UNVERIFIED |
| ACAjax Custom Plating Company | Denver | CO | — | ◇ UNVERIFIED |
| ALAjs LLC Dba Morris Industries | Phoenix | AZ | — | ◇ UNVERIFIED |
| APAkshar Plastic INC | Bloomington | IL | — | ◇ UNVERIFIED |
| AMAlabama Motor Express | Ashford | AL | — | ◇ UNVERIFIED |
| APAlabama Plating Corporation | Eight Mile | AL | — | ◇ UNVERIFIED |
| ACAlamp Concrete Contractors INC | Maywood | IL | — | ◇ UNVERIFIED |
