| AMAtlantic Marble Company INC | Jacksonville | FL | Plastics and Rubber Products Manufacturing326121 | 1-19 | ◇ UNVERIFIED |
| AVAtlantic Veneer Corporation | Beaufort | NC | Wood Product Manufacturing321211 | — | ◇ UNVERIFIED |
| ALAtlantis Laboratories | Conroe | TX | Chemical Manufacturing325620 | 1-19 | ◇ UNVERIFIED |
| AFAtlas Founders INC | Agawam | MA | Primary Metal Manufacturing331522 | — | ◇ UNVERIFIED |
| AMAtlas Metal Cutting, INC. | Buena Park | CA | Machinery Manufacturing333319 | 1-19 | ◇ UNVERIFIED |
| APAtlas Printing Mfg | Somerset | PA | Printing and Related Support Activities323119 | 1-19 | ◇ UNVERIFIED |
| ARAtlas Ready Mix Concrete | Jamaica | NY | Nonmetallic Mineral Product Manufacturing327320 | 1-19 | ◇ UNVERIFIED |
| APAtmi Precast | Aurora | IL | Nonmetallic Mineral Product Manufacturing327320 | 100-499 | ◇ UNVERIFIED |
| AMAtomized Materials CO INC | Mcdonald | PA | Chemical Manufacturing325510 | 1-19 | ◇ UNVERIFIED |
| ACAugusta Cooperative Farm Bureau INC | Staunton | VA | Food Manufacturing311119 | 100-499 | ◇ UNVERIFIED |
| ACAugustine CO INC | Marshalltown | IA | Printing and Related Support Activities323120 | 1-19 | ◇ UNVERIFIED |
| ACAulson Company | Methuen | MA | Transportation Equipment Manufacturing336611 | 20-99 | ◇ UNVERIFIED |
| AHAultman Hospital | Canton | OH | Chemical Manufacturing325212 | — | ◇ UNVERIFIED |
| ACAurora Circuits LLC | Aurora | IL | Computer and Electronic Product Manufacturing334412 | 20-99 | ◇ UNVERIFIED |
| AIAurora Innovations | Eugene | OR | Chemical Manufacturing325314 | — | ◇ UNVERIFIED |
| AFAustell Forest Products, INC. | Gordo | AL | Wood Product Manufacturing321912 | 20-99 | ◇ UNVERIFIED |
| ACAustin CO | Yadkinville | NC | Fabricated Metal Product Manufacturing332999 | 100-499 | ◇ UNVERIFIED |
| ALAustin-westran LLC | Byron | IL | Machinery Manufacturing333994 | — | ◇ UNVERIFIED |
| AIAutogate INC | Berlin Heights | OH | Fabricated Metal Product Manufacturing332323 | 20-99 | ◇ UNVERIFIED |
| ATAutomated Tapping Systems INC | Brick Town | NJ | Machinery Manufacturing333515 | 1-19 | ◇ UNVERIFIED |
| AEAutomotive Enterprises CO INC | Dubuque | IA | Fabricated Metal Product Manufacturing332813 | 20-99 | ◇ UNVERIFIED |
| ARAuto Recyclers LLC | Buena Vista | VA | Textile Mills313320 | 1-19 | ◇ UNVERIFIED |
| AHAutumn House Incorporated | Granite Falls | NC | Wood Product Manufacturing321211 | 20-99 | ◇ UNVERIFIED |
| APAvalon Precision Metalsmiths | Cleveland | OH | Primary Metal Manufacturing331512 | — | ◇ UNVERIFIED |
| ACAvon Cabinet Corporation | Bradenton | FL | Furniture and Related Product Manufacturing337110 | 20-99 | ◇ UNVERIFIED |
| AFAvx Filters CORP | Sun Valley | CA | Machinery Manufacturing333999 | — | ◇ UNVERIFIED |
| AWAxis Welding & Machine Works INC | Creola | AL | Fabricated Metal Product Manufacturing332710 | 1-19 | ◇ UNVERIFIED |
| ACAyr Custom Cabinetry Incorporated | Nappanee | IN | Furniture and Related Product Manufacturing337110 | 20-99 | ◇ UNVERIFIED |
| APAzusa Pipe & Tube Bending | Azusa | CA | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| BABaker Art Foundry | Placerville | CA | Fabricated Metal Product Manufacturing332323 | 1-19 | ◇ UNVERIFIED |
| BMBaker Machine Co, INC | Shreveport | LA | Fabricated Metal Product Manufacturing332710 | 1-19 | ◇ UNVERIFIED |
| BBBalboa Boat Yard INC | Newport Beach | CA | Transportation Equipment Manufacturing336611 | 1-19 | ◇ UNVERIFIED |
| BLBall Lumber Company Incorporated | Millers Tavern | VA | Wood Product Manufacturing321113 | 20-99 | ◇ UNVERIFIED |
| BCBaltimore County Brewing LLC | Hunt Valley | MD | Beverage and Tobacco Product Manufacturing312120 | 1-19 | ◇ UNVERIFIED |
| BCBama Concrete Birmingham Alabaster | Alabaster | AL | Nonmetallic Mineral Product Manufacturing327320 | 20-99 | ◇ UNVERIFIED |
| BSBanas Sand & Gravel | Ludlow | MA | Nonmetallic Mineral Product Manufacturing327320 | 1-19 | ◇ UNVERIFIED |
| BEBanner Engineering | Aberdeen | SD | Computer and Electronic Product Manufacturing334111 | — | ◇ UNVERIFIED |
| BSBarber Steel Foundry Corporation | Rothbury | MI | Primary Metal Manufacturing331511 | — | ◇ UNVERIFIED |
| BSBarberton Steel Industries, INC. | Barberton | OH | Primary Metal Manufacturing331513 | 20-99 | ◇ UNVERIFIED |
| BWBarber Welding, INC. | Weedsport | NY | Fabricated Metal Product Manufacturing332312 | 1-19 | ◇ UNVERIFIED |
| BCBarbour Concrete Company | Independence | MO | Nonmetallic Mineral Product Manufacturing327390 | 20-99 | ◇ UNVERIFIED |
| BBardahl | Seattle | WA | Petroleum and Coal Products Manufacturing324191 | 20-99 | ◇ UNVERIFIED |
| BOBardons & Oliver, INC. | Solon | OH | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| BSBarnes & Severt Lumber CO. | Wilkesboro | NC | Wood Product Manufacturing321113 | 20-99 | ◇ UNVERIFIED |
| BWBarnes Wood and Lumber CO INC | Meherrin | VA | Wood Product Manufacturing321113 | 1-19 | ◇ UNVERIFIED |
| BSBarnyard Screen Printer | Lisbon | IA | Printing and Related Support Activities323113 | 1-19 | ◇ UNVERIFIED |
| BPBarry Pattern and Foundry Company, INC. | Birmingham | AL | Primary Metal Manufacturing331511 | 20-99 | ◇ UNVERIFIED |
| BCBartley Crucible & Refractories INC | Trenton | NJ | Nonmetallic Mineral Product Manufacturing327120 | 1-19 | ◇ UNVERIFIED |
| BPBarton Printing INC | Jacksonville | FL | Printing and Related Support Activities323111 | 1-19 | ◇ UNVERIFIED |
| BCBasf CORP | Erie | PA | Chemical Manufacturing325180 | — | ◇ UNVERIFIED |
