| Business | Phone |
| Connector Express 2071 Midway Dr, Twinsburg 44087 | (330) 963-5900 |
| Nu Horizons Electronics Corp 9347 Ravenna Rd # A, Twinsburg 44087 | (330) 963-9933 |
| Pump Pro's 9001 Dutton Dr, Twinsburg 44087 | (330) 425-3121 |
| Summit Dynamics 2253 E Enterprise Pkwy, Twinsburg 44087 | (330) 487-0744 |
| Universal Electronics Inc 1864 Enterprise Pkwy # B, Twinsburg 44087 | (330) 487-1110 |