| AWAll-craft Wellman Products | Willoughby | OH | Fabricated Metal Product Manufacturing332721 | — | ◐ LIKELY ACTIVE |
| BMBud Manufacturing, INC. | Willoughby | OH | Fabricated Metal Product Manufacturing332116 | 20-99 | ◐ LIKELY ACTIVE |
| EMEastlake Machine Products LLC | Willoughby | OH | Fabricated Metal Product Manufacturing332710 | — | ◐ LIKELY ACTIVE |
| KCKalcor Coatings CO | Willoughby | OH | Chemical Manufacturing325510 | — | ◐ LIKELY ACTIVE |
| MEMagnus Engineered Equipment LLC | Willoughby | OH | Chemical Manufacturing325612 | — | ◐ LIKELY ACTIVE |
| MSMetal Seal & Products, INC. (0243161213) | Willoughby | OH | Fabricated Metal Product Manufacturing332721 | — | ◐ LIKELY ACTIVE |
| SSService Stampings INC. | Willoughby | OH | Fabricated Metal Product Manufacturing332116 | 20-99 | ◐ LIKELY ACTIVE |
| APAPI Pattern Works, Inc. | Willoughby | OH | Transportation Equipment Manufacturing336413 | 20-99 | ◐ LIKELY ACTIVE |
| APApollo Products, Inc. | Willoughby | OH | Machinery Manufacturing333514 | 500+ | ◐ LIKELY ACTIVE |
| CNCast Nylon 4300 | Willoughby | OH | Plastics and Rubber Products Manufacturing326130 | 100-499 | ◐ LIKELY ACTIVE |
| DCDAI Ceramics, LL | Willoughby | OH | Nonmetallic Mineral Product Manufacturing327110 | 20-99 | ◐ LIKELY ACTIVE |
| FLFluid Line Products INC | Willoughby | OH | Fabricated Metal Product Manufacturing332912 | — | ◐ LIKELY ACTIVE |
| FIFusion, Incorporated - Plant 1 | Willoughby | OH | Machinery Manufacturing333992 | 20-99 | ◐ LIKELY ACTIVE |
| FIFusion, Incorporated - Plant 2 | Willoughby | OH | Primary Metal Manufacturing331492 | 20-99 | ◐ LIKELY ACTIVE |
| GIGearTec Inc | Willoughby | OH | Machinery Manufacturing333612 | 20-99 | ◐ LIKELY ACTIVE |
| JSJuliet Sky L.l.c. | Willoughby | OH | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| LELake Erie Distilery | Willoughby | OH | Beverage and Tobacco Product Manufacturing312140 | — | ◐ LIKELY ACTIVE |
| LTLokring Technology LLC | Willoughby | OH | Fabricated Metal Product Manufacturing332919 | 20-99 | ◐ LIKELY ACTIVE |
| MWMCAM Willoughby | Willoughby | OH | Plastics and Rubber Products Manufacturing326130 | 100-499 | ◐ LIKELY ACTIVE |
| MMMcattack Machine LLC | Willoughby | OH | Fabricated Metal Product Manufacturing332710 | — | ◐ LIKELY ACTIVE |
| MTMomentive Technologies - Willoughby | Willoughby | OH | Nonmetallic Mineral Product Manufacturing327212 | 20-99 | ◐ LIKELY ACTIVE |
| PLPpcc LLC | Willoughby | OH | Machinery Manufacturing333922 | 20-99 | ◐ LIKELY ACTIVE |
| PTProcess Technology - Headquarters | Willoughby | OH | Machinery Manufacturing333248 | 20-99 | ◐ LIKELY ACTIVE |
| SISpirits in Willoughby, LLC | Willoughby | OH | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| TST.C. Service Co. | Willoughby | OH | Machinery Manufacturing333991 | 20-99 | ◐ LIKELY ACTIVE |
| TITelling Industries, LLC - Willoughby | Willoughby | OH | Fabricated Metal Product Manufacturing332322 | 20-99 | ◐ LIKELY ACTIVE |
| TITrucast, Inc. | Willoughby | OH | Machinery Manufacturing333514 | 20-99 | ◐ LIKELY ACTIVE |
| TITRV Incorporated | Willoughby | OH | Fabricated Metal Product Manufacturing332710 | 20-99 | ◐ LIKELY ACTIVE |
| TTT & T Vineyards LLC | Willoughby | OH | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| UJUniversal J & Z Machine | Willoughby | OH | Fabricated Metal Product Manufacturing332710 | 20-99 | ◐ LIKELY ACTIVE |
| WAWeber Aerospace, LLC | Willoughby | OH | Transportation Equipment Manufacturing336413 | — | ◐ LIKELY ACTIVE |
| WNWEISS North America, Inc. | Willoughby | OH | Computer and Electronic Product Manufacturing334513 | 20-99 | ◐ LIKELY ACTIVE |