| AIArcelormittal Indiana Harbor - Safety Dept | East Chicago | IN | — | ◇ UNVERIFIED |
| AUArclin USA INC | Springfield | OR | — | ◇ UNVERIFIED |
| ALArcr, LLP | Moorestown | NJ | — | ◇ UNVERIFIED |
| ACArizona Correctional Industries | Florence | AZ | — | ◇ UNVERIFIED |
| ACArkema Crosby Plant | Crosby | TX | — | ◇ UNVERIFIED |
| ASArq St. Rose LLC - Arq St Rose | Saint Rose | LA | — | ◇ UNVERIFIED |
| ASArrmaz Specialty Chemicals | Seabrook | SC | — | ◇ UNVERIFIED |
| AMArrow Machine Industries INC | El Cajon | CA | — | ◇ UNVERIFIED |
| ATArrs Technologies LLC | San Diego | CA | — | ◇ UNVERIFIED |
| APAscend Performance Materials Chocolate Bayou Plant | Alvin | TX | — | ◇ UNVERIFIED |
 Asco Power Technologies, LP | Clearwater | FL | — | ◇ UNVERIFIED |
| ABAsea Brown Boveri | Richmond | VA | — | ◇ UNVERIFIED |
| ACAshland Chemical, INC. | Calumet City | IL | — | ◇ UNVERIFIED |
| AIAshland Inc-missouri Chemical Works | Louisiana | MO | — | ◇ UNVERIFIED |
| AAAsmpt Aei, INC. | North Billerica | MA | — | ◇ UNVERIFIED |
| ATAssembly Tek | Scotts Valley | CA | — | ◇ UNVERIFIED |
| ALAstaris LLC Kemmerer Plant | Kemmerer | WY | — | ◇ UNVERIFIED |
| AAAtlantic Automation Group LLC | Bristol | RI | — | ◇ UNVERIFIED |
| AAAtlantic Automation Group LLC | Bristol | RI | — | ◇ UNVERIFIED |
| AAAtlantic Automation Group, LLC | Bristol | RI | — | ◇ UNVERIFIED |
| AOAtm Oil Company | Marion | AR | — | ◇ UNVERIFIED |
| ACAtofina Chem Inc/king of Prussia | King of Prussia | PA | — | ◇ UNVERIFIED |
| ALAudiofaze LLC | Miami | FL | — | ◇ UNVERIFIED |
| AUA U L Instruments INC | Garden City | NY | — | ◇ UNVERIFIED |
| AAAurum Assembly Plus | San Diego | CA | — | ◇ UNVERIFIED |
| AFAutobahn Fuels, INC. | Los Angeles | CA | — | ◇ UNVERIFIED |
| ATAvalon Transportation LLC | Santa Clara | CA | — | ◇ UNVERIFIED |
| ASAviation Systems Technologies, LLC | Hollywood | MD | — | ◇ UNVERIFIED |
| ACAxalta Coating Systems USA | Hilliard | OH | — | ◇ UNVERIFIED |
| AIAzz Incorporated | Fulton | MO | — | ◇ UNVERIFIED |
| BABabcock and Wilcox | West Point | MS | — | ◇ UNVERIFIED |
| BAB & a Fuel Center, INC. | Fontana | CA | — | ◇ UNVERIFIED |
| BFBallard Fuel Cell Systems Site | Bend | OR | — | ◇ UNVERIFIED |
| BVBarry Vilught | Stockton | CA | — | ◇ UNVERIFIED |
| BCBasf Colors and Effects Usa, LLC | Newport | DE | — | ◇ UNVERIFIED |
| BCBasin Chemical Solutions LLC | Youngsville | LA | — | ◇ UNVERIFIED |
| BCBasso Chemicals INC | Jacksonville | FL | — | ◇ UNVERIFIED |
| BCBay City Plant | Bay City | TX | — | ◇ UNVERIFIED |
| BCBechtel Corporation - Nagor | Baytown | TX | — | ◇ UNVERIFIED |
| BRBelle River Fuels CO | East China | MI | — | ◇ UNVERIFIED |
| BMBench Mark Electronics INC | Fredericksburg | VA | — | ◇ UNVERIFIED |
| BFBerkeley Forge & Tool INC | Berkeley | CA | — | ◇ UNVERIFIED |
| BBBest Buy Mobile Store 2700 | Hyannis | MA | — | ◇ UNVERIFIED |
| BBBest Buy Mobile Store 2883 | Brockton | MA | — | ◇ UNVERIFIED |
| BEBest Energy Reduction Technologies LLC | King of Prussia | PA | — | ◇ UNVERIFIED |
| BSBetter Service Gas LLC #851 | Harbor City | CA | — | ◇ UNVERIFIED |
| BFBibi Fuels Inc, Dba Bb Fuel | Los Angeles | CA | — | ◇ UNVERIFIED |
| BPBigler Pasadena Facility | Pasadena | TX | — | ◇ UNVERIFIED |
| BPBirchwood Properties, LLC | Sunnyvale | CA | — | ◇ UNVERIFIED |
| BEBixby Energy Systems, Inc., Chelyan | Chelyan | WV | — | ◇ UNVERIFIED |
