| HAHAHN Automation Group US, Inc. DA 2 | Miamisburg | OH | Machinery Manufacturing333519 | 20-99 | ◐ LIKELY ACTIVE |
| HFHPC Fire Inspired | Miamisburg | OH | Machinery Manufacturing333414 | 20-99 | ◐ LIKELY ACTIVE |
| NHNautilus Hyosung America - Global Security Center | Miamisburg | OH | Computer and Electronic Product Manufacturing334118 | 20-99 | ◐ LIKELY ACTIVE |
| OOOH- OD7 9555 Springboro Pike | Miamisburg | OH | Computer and Electronic Product Manufacturing334511 | 1-19 | ◐ LIKELY ACTIVE |
| PMPeerless Mill Inn and Brewery LLC | Miamisburg | OH | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| PLPresto Labels | Miamisburg | OH | Printing and Related Support Activities323111 | 20-99 | ◐ LIKELY ACTIVE |
| PSPrinting Service Company | Miamisburg | OH | Printing and Related Support Activities323111 | 20-99 | ◐ LIKELY ACTIVE |
| SGSpring Grove Foods Inc. | Miamisburg | OH | Food Manufacturing311612 | — | ◐ LIKELY ACTIVE |
| SHStoney Hill Farm & Winery | Miamisburg | OH | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| TDTeledyne Defense Electronics, LLC | Miamisburg | OH | Fabricated Metal Product Manufacturing332993 | — | ◐ LIKELY ACTIVE |
| TQTeledyne - Qioptiq - Miamisburg | Miamisburg | OH | Fabricated Metal Product Manufacturing332993 | 100-499 | ◐ LIKELY ACTIVE |
| TKThe Killer Brownie Company | Miamisburg | OH | Food Manufacturing311812 | 100-499 | ◐ LIKELY ACTIVE |
| SISalinas Industries, INC. | Miamisburg | OH | Plastics and Rubber Products Manufacturing326112 | 1-19 | ◇ UNVERIFIED |
| ALAccelevation LLC | Miamisburg | OH | Machinery Manufacturing333514 | — | ◇ UNVERIFIED |
| AMAce Manufacturing LLC | Miamisburg | OH | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| AWAdelaide's Wholesome Baked LTD. | Miamisburg | OH | Food Manufacturing311811 | — | ◇ UNVERIFIED |
| AEA&D Ernest LLC | Miamisburg | OH | Food Manufacturing311422 | — | ◇ UNVERIFIED |
| CBC. B. Manufacturing and Sales Company, INC. | Miamisburg | OH | Fabricated Metal Product Manufacturing332216 | — | ◇ UNVERIFIED |
| DIDreier Industries, LLC | Miamisburg | OH | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| EIElectripack, INC. | Miamisburg | OH | Electrical Equipment, Appliance & Component Manufacturing335999 | — | ◇ UNVERIFIED |
| GCGayston Corporation | Miamisburg | OH | Primary Metal Manufacturing331316 | — | ◇ UNVERIFIED |
| GGroeneveld-beka | Miamisburg | OH | Machinery Manufacturing333996 | — | ◇ UNVERIFIED |
| MMMonarch Marking Systems | Miamisburg | OH | Machinery Manufacturing333998 | — | ◇ UNVERIFIED |
| MLMoussami LLC | Miamisburg | OH | Computer and Electronic Product Manufacturing334220 | — | ◇ UNVERIFIED |
| OIOakday, Inc. | Miamisburg | OH | Printing and Related Support Activities323111 | — | ◇ UNVERIFIED |
| WRWillow Rust LLC | Miamisburg | OH | Furniture and Related Product Manufacturing337122 | — | ◇ UNVERIFIED |
| WSWinco Stamping, INC. | Miamisburg | OH | Fabricated Metal Product Manufacturing332119 | — | ◇ UNVERIFIED |