 Mgt Manufacturing LLC | Springville | — | ◇ UNVERIFIED |
| MJM & J Materials, INC. | Trussville | — | ◇ UNVERIFIED |
| MPMobile Pulley Marine Services | Mobile | — | ◇ UNVERIFIED |
| MMMoundville Metal Works, INC | Moundville | — | ◇ UNVERIFIED |
| MMMpv Morganton Pressure Vessels, LLC | Bay Minette | — | ◇ UNVERIFIED |
| MMMpv Morganton Pressure Vessels North Carolina, LLC | Bay Minette | — | ◇ UNVERIFIED |
| MTMuskogee Technology | Atmore | — | ◇ UNVERIFIED |
| NINeo Industries Alabama | Decatur | — | ◇ UNVERIFIED |
 North Alabama Fabricating Company, INC. | Glen Allen | — | ◇ UNVERIFIED |
| NANorth American Construction Services, LLC | Birmingham | — | ◇ UNVERIFIED |
| NINorthwest Industries, INC. | Russellville | — | ◇ UNVERIFIED |
| NFNusteel Fabricators, INC. | Childersburg | — | ◇ UNVERIFIED |
| OIOiw, INC. | Pelham | — | ◇ UNVERIFIED |
| OIOld Iron Doors, LLC | Bessemer | — | ◇ UNVERIFIED |
| OMOld Man's Garage, INC. | Rainbow City | — | ◇ UNVERIFIED |
| OOmco | Talladega | — | ◇ UNVERIFIED |
| OHOmco - Huntsville | Madison | — | ◇ UNVERIFIED |
| OSOmega Steel Products, INC | Jemison | — | ◇ UNVERIFIED |
| PHParker Hannifin Corporation | Albertville | — | ◇ UNVERIFIED |
| PMParkway Machine & Metal Works, INC. | Saraland | — | ◇ UNVERIFIED |
| PPPatterson Precision Components | Union Grove | — | ◇ UNVERIFIED |
| PSPaul Stewart Industries INC. | Semmes | — | ◇ UNVERIFIED |
| PCPerformance Contractors, INC. - Mobile Fabrication Facility | Theodore | — | ◇ UNVERIFIED |
| PMPerformance Machine Works, LLC | Dothan | — | ◇ UNVERIFIED |
| PSPersonnel Staffing, INC. | Birmingham | — | ◇ UNVERIFIED |
| PMPhillips Metal Works | Montgomery | — | ◇ UNVERIFIED |
| POPhil Osterkamp | Grand Bay | — | ◇ UNVERIFIED |
| PMPike Machine Shop | Troy | — | ◇ UNVERIFIED |
| PVPinson Valley Fabricators, INC. | Other | — | ◇ UNVERIFIED |
| PBPit Bull Products | Huntsville | — | ◇ UNVERIFIED |
| PLPmdf, LLC | Sardis City | — | ◇ UNVERIFIED |
| PPpl2 | Huntsville | — | ◇ UNVERIFIED |
| PTPrairie Tank & Construction CO. | Pell City | — | ◇ UNVERIFIED |
| PWPratt & Whitney Automation | Madison | — | ◇ UNVERIFIED |
| PMPrecision Machining, a Div. of Ref Alabama, INC. | Greenville | — | ◇ UNVERIFIED |
| PMPrecision Metal Works, INC. | Montgomery | — | ◇ UNVERIFIED |
| PMPrecision Mold & Machine, INC. | Lanett | — | ◇ UNVERIFIED |
| PEPremier Equipment - American Pulley | Leeds | — | ◇ UNVERIFIED |
| PRProgress Rail - Arab Bearing Shop | Arab | — | ◇ UNVERIFIED |
| PHPrudent Holdings Usa, LLC | Decatur | — | ◇ UNVERIFIED |
| PSPugh Steel Fabricators, INC. | Tallassee | — | ◇ UNVERIFIED |
| RIRaughley, INC. | Birmingham | — | ◇ UNVERIFIED |
| RSRedline Steel, LLC | Huntsville | — | ◇ UNVERIFIED |
| RFReed Fabricators and Welding, INC. | Axis | — | ◇ UNVERIFIED |
| RARef Alabama INC. | Greenville | — | ◇ UNVERIFIED |
| RRRejuvenation Restoration | Heflin | — | ◇ UNVERIFIED |
| RTReliable Tin Shop, INC. | Birmingham | — | ◇ UNVERIFIED |
| RIRidgeview Industries, INC. | Huntsville | — | ◇ UNVERIFIED |
| RMRiversedge Machine & Fabrication, LLC | Decatur | — | ◇ UNVERIFIED |
| RARoskam Automatic Machinery, INC. | Birmingham | — | ◇ UNVERIFIED |
