| AAAmerican Alloy Steel Tulsa Oklahoma | Tulsa | OK | 20–99 | ◐ LIKELY ACTIVE |
| AAAmerican Alloy Steel TX1 Houston Texas | Houston | TX | 100–499 | ◐ LIKELY ACTIVE |
| AOAmericana Outdoors inc. | Mesaa | AZ | 20–99 | ◐ LIKELY ACTIVE |
American Babbitt Bearing INC | Huntington | WV | — | ◐ LIKELY ACTIVE |
| ABAmerican Bin and Conveyor LLC | Burlington | WI | 20–99 | ◐ LIKELY ACTIVE |
| ABAmerican Boiler, Tank & Welding Co., Inc. | Albany | NY | 20–99 | ◐ LIKELY ACTIVE |
| ABAmerican Bright works | Minneapolis | MN | 20–99 | ◐ LIKELY ACTIVE |
| ACAmerican Crane and Tractor Parts | Kansas City | KS | 20–99 | ◐ LIKELY ACTIVE |
| ACAmerican Crane and Tractor Parts - CA | Visalia | CA | 1–19 | ◐ LIKELY ACTIVE |
| ACAmerican Crane and Tractor Parts - FL | Doral | FL | 1–19 | ◐ LIKELY ACTIVE |
| ACAmerican Crane and Tractor Parts - TN | Knoxville | TN | 1–19 | ◐ LIKELY ACTIVE |
| ACAmerican Crane and Tractor Parts - TX | Dallas | TX | 1–19 | ◐ LIKELY ACTIVE |
| AEAmerican Eagle Construction Consulting Services INC | Ponchatoula | LA | — | ◐ LIKELY ACTIVE |
| AGAmerican Grit Machining LLC | Buffalo | NY | — | ◐ LIKELY ACTIVE |
| AHAmerican Heat Treating Alabama, LLC | Anniston | AL | — | ◐ LIKELY ACTIVE |
| AHAmerican Highway (A Simplex Company) | Fernley | NV | 20–99 | ◐ LIKELY ACTIVE |
| AIAmerican Industrial Company, LLC | Belton | MO | — | ◐ LIKELY ACTIVE |
| AIAmerican Industrial Plant Services , Inc. | Saint Amant | LA | 20–99 | ◐ LIKELY ACTIVE |
| AIAmerican Iron and Metal - Caribou | Caribou | ME | 1–19 | ◐ LIKELY ACTIVE |
| ALAmerican Lasertool INC | Sterling Heights | MI | — | ◐ LIKELY ACTIVE |
American Machine & Gear, INC. | Portland | OR | — | ◐ LIKELY ACTIVE |
| AMAmerican Machine & Tool, INC. | El Cajon | CA | — | ▲ REPORTED CLOSED |
American Machining INC | Ottawa | IL | — | ◐ LIKELY ACTIVE |
| AMAmerican Made Safe & Security LLC | Batavia | OH | — | ◐ LIKELY ACTIVE |
| AMAmerican Metal Crafters LLC | Middletown | CT | 20–99 | ◐ LIKELY ACTIVE |
| AMAmerican Metal Manufacturing Resource, INC. | Pomona | CA | — | ◐ LIKELY ACTIVE |
American Metal Products CO | Portland | OR | — | ◐ LIKELY ACTIVE |
| AMAmerican Mountain Technologies LLC | Abingdon | VA | — | ◐ LIKELY ACTIVE |
| ANAmerican Nickeloid Company - Peru Facility | Peru | IL | 100–499 | ◐ LIKELY ACTIVE |
| AOAmerican Ornamental Iron CORP | Saltsburg | PA | — | ◐ LIKELY ACTIVE |
| APAmerican Precision, INC. | La Jolla | CA | — | ◐ LIKELY ACTIVE |
| APAmerican Precision Parts INC | Gainesville | GA | — | ◐ LIKELY ACTIVE |
| ARAmerican Rheinmetall Lapeer | Lapeer | MI | 20–99 | ◐ LIKELY ACTIVE |
| ARAmerican Rheinmetall Plymouth | Plymouth | MI | 100–499 | ◐ LIKELY ACTIVE |
| ARAmerican Rx Group, LLC | Sauk Rapids | MN | — | ◐ LIKELY ACTIVE |
| ASAmerican Sandblast and Powder Coating LLC | National City | CA | — | ◐ LIKELY ACTIVE |
| ASAmerican Security Cabinets, LLC | Sauk Rapids | MN | — | ◐ LIKELY ACTIVE |
| ASAmerican Standard, Mfg. | Central Bridge | NY | 20–99 | ◐ LIKELY ACTIVE |
| ASAmerican Steel & Aluminum Co., Inc. | Grand Prairie | TX | 20–99 | ◐ LIKELY ACTIVE |
| ASAmerican Steel and Aluminum LLC | South Portland | ME | — | ▲ REPORTED CLOSED |
| ASAmerican Steel Fabrications of Idaho, LLC | Blackfoot | ID | — | ◐ LIKELY ACTIVE |
| ASAmerican Structural Systems, INC | Wichita | KS | — | ◐ LIKELY ACTIVE |
| ATAmerican Tire Recycling, LLC | Modesto, Ca | CA | 20–99 | ◐ LIKELY ACTIVE |
| ATAmerican Tooling and Prototype, LLC | Ann Arbor | MI | — | ◐ LIKELY ACTIVE |
| ATAmerican Tool & Mold, INC. | Clearwater | FL | — | ◐ LIKELY ACTIVE |
| ALAmericlad, LLC Rogers, MN | Rogers | MN | 20–99 | ◐ LIKELY ACTIVE |
| AIAmericore, Inc. | Hilmar | CA | 20–99 | ◐ LIKELY ACTIVE |
| AIAmeridia Innovative Solutions INC | Napa | CA | — | ◐ LIKELY ACTIVE |
| AMAmeriFab & Machine, Inc. | Sycamore | AL | 20–99 | ◐ LIKELY ACTIVE |
| ATAmerigreen Technology INC. | Byron | CA | — | ◐ LIKELY ACTIVE |