| ABAkron Brass CO | Wooster | OH | Primary Metal Manufacturing331529 | 1-19 | ● ACTIVE |
| ATAlliance Tubular Products LLC - Alliance Plant (1576010407) | Alliance | OH | Primary Metal Manufacturing331210 | 100-499 | ● ACTIVE |
American Posts LLC | Toledo | OH | Primary Metal Manufacturing331110 | 20-99 | ● ACTIVE |
| AVAmg Vanadium LLC | Cambridge | OH | Primary Metal Manufacturing331110 | — | ● ACTIVE |
| ATArcelormittal Tubular Products USA LLC (0370020133) | Shelby | OH | Primary Metal Manufacturing331210 | 500+ | ● ACTIVE |
Auris Noble LLC | Akron | OH | Primary Metal Manufacturing331492 | — | ● ACTIVE |
Bescast, INC. | Willoughby | OH | Primary Metal Manufacturing331512 | 100-499 | ● ACTIVE |
| CSCasting Solutions LLC | Zanesville | OH | Primary Metal Manufacturing331111 | 100-499 | ● ACTIVE |
| CCCleveland-cliffs Cleveland Works | Cleveland | OH | Primary Metal Manufacturing331110 | 500+ | ● ACTIVE |
| CSCleveland-cliffs Steel CORP | Middletown | OH | Primary Metal Manufacturing331110 | 500+ | ● ACTIVE |
| CSCleveland-cliffs Steel Corporation - Zanesville Works | Zanesville | OH | Primary Metal Manufacturing331110 | 100-499 | ● ACTIVE |
| CMConsolidated Metal Products (1431072125) | Cincinnati | OH | Primary Metal Manufacturing331221 | 100-499 | ● ACTIVE |
Ellwood Engineered Castings | Hubbard | OH | Primary Metal Manufacturing331314 | 100-499 | ● ACTIVE |
Elyria Foundry Company LLC | Elyria | OH | Primary Metal Manufacturing331511 | 100-499 | ● ACTIVE |
Ferno Washington, INC. | Wilmington | OH | Primary Metal Manufacturing331319 | 100-499 | ● ACTIVE |
| GSGreer Steel CO | Dover | OH | Primary Metal Manufacturing331221 | 100-499 | ● ACTIVE |
G & S Bar and Wire, LLC | Wooster | OH | Primary Metal Manufacturing331222 | 20-99 | ● ACTIVE |
Kovatch Castings, INC | Uniontown | OH | Primary Metal Manufacturing331512 | 100-499 | ● ACTIVE |
Kyocera Senco Industrial Tools, INC | Cincinnati | OH | Primary Metal Manufacturing331222 | 100-499 | ● ACTIVE |
| MEMahle Engine Components USA INC | Mcconnelsville | OH | Primary Metal Manufacturing331314 | 20-99 | ● ACTIVE |
Malin Company | Brookpark | OH | Primary Metal Manufacturing331222 | 20-99 | ● ACTIVE |
| MBMaterion Brush INC | Elmore | OH | Primary Metal Manufacturing331410 | 500+ | ● ACTIVE |
| MRMetallic Resources INC | Twinsburg | OH | Primary Metal Manufacturing331491 | 20-99 | ● ACTIVE |
Northlake Steel CORP | Valley City | OH | Primary Metal Manufacturing331221 | 20-99 | ● ACTIVE |
| NSNorth Star Bluescope Steel LLC | Delta | OH | Primary Metal Manufacturing331110 | 500+ | ● ACTIVE |
| OSOhio Star Forge CO. | Champion | OH | Primary Metal Manufacturing331210 | 100-499 | ● ACTIVE |
| OIOsco Industries INC - Jackson Div | Jackson | OH | Primary Metal Manufacturing331511 | 100-499 | ● ACTIVE |
| PAPcc Airfoils LLC Smp INC | Wickliffe | OH | Primary Metal Manufacturing331529 | 100-499 | ● ACTIVE |
| PAPcc Airfoils Mentor | Mentor | OH | Primary Metal Manufacturing331512 | 100-499 | ● ACTIVE |
Ramco Electric Motors, INC. | Greenville | OH | Primary Metal Manufacturing331523 | 100-499 | ● ACTIVE |
Sawbrook Steel Casting LLC | Cincinnati | OH | Primary Metal Manufacturing331513 | — | ● ACTIVE |
Strohecker INC | East Palestine | OH | Primary Metal Manufacturing331410 | 20-99 | ● ACTIVE |
Superior Forge & Steel CORP | Lima | OH | Primary Metal Manufacturing331110 | — | ● ACTIVE |
Telcon LLC | Streetsboro | OH | Primary Metal Manufacturing331529 | 20-99 | ● ACTIVE |
The Quality Castings Company | Orrville | OH | Primary Metal Manufacturing331511 | 100-499 | ● ACTIVE |
Wooster Products INC | Wooster | OH | Primary Metal Manufacturing331318 | — | ● ACTIVE |
Advance Bronze INC | Lodi | OH | Primary Metal Manufacturing331523 | — | ● ACTIVE |
Alotech Limited, LLC | Brooklyn | OH | Primary Metal Manufacturing331524 | — | ● ACTIVE |
Aviva Metals, INC. | Lorain | OH | Primary Metal Manufacturing331523 | 100-499 | ● ACTIVE |
| BEBrt Extrusions INC | Niles | OH | Primary Metal Manufacturing331313 | 100-499 | ● ACTIVE |
Commercial Metal Fabricators, INC. | Dayton | OH | Primary Metal Manufacturing331221 | — | ● ACTIVE |
Dayton Superior Corporation | Miamisburg | OH | Primary Metal Manufacturing331210 | — | ● ACTIVE |
| EAEckart America CORP | Painesville | OH | Chemical Manufacturing325910 | 20-99 | ● ACTIVE |
Federal Metal CO | Bedford | OH | Primary Metal Manufacturing331314 | — | ● ACTIVE |
Korff Holdings, LLC | Salem | OH | Primary Metal Manufacturing331511 | — | ● ACTIVE |
| LMLite Magnesium Products INC | Ravenna | OH | Primary Metal Manufacturing331491 | 20-99 | ● ACTIVE |
Metallus INC. | Canton | OH | Primary Metal Manufacturing331110 | 500+ | ● ACTIVE |
North Jackson Specialty Steel LLC | North Jackson | OH | Primary Metal Manufacturing331110 | — | ● ACTIVE |
| OCOhio Coatings CO. | Yorkville | OH | Primary Metal Manufacturing331111 | 20-99 | ● ACTIVE |
| OIOrrvilon, INC | Orrville | OH | Primary Metal Manufacturing331313 | 100-499 | ● ACTIVE |