| Business | Phone |
| Riley & Assoc Inc 1220 W Goodale Blvd, Columbus 43212 | (614) 486-2477 |
| Control Solutions Midwest 940 Science Blvd # A, Columbus 43230 | (614) 751-7746 |
| Hdr Power Systems Inc 3563 Interchange Rd, Columbus 43204 | (614) 308-5500 |
| Innovative American Manufacturer 1767 Genessee Ave, Columbus 43211 | (614) 263-6900 |
| Jim Thorpe Consulting 805 Phillipi Rd, Columbus 43228 | (614) 279-2844 |