| Business | Phone |
| Aidea Inc 10999 Reed Hartman Hwy, Cincinnati 45242 | (513) 791-2585 |
| Barcode Technologies & Svc 7245 Edington Dr, Cincinnati 45249 | (513) 891-4343 |
| Walker Technology 5668 Wooster Rd, Cincinnati 45227 | (513) 561-6600 |
| Progressive Microtechnology 11150 Woodward Ln, Cincinnati 45241 | (513) 782-5050 |