| Business | Phone |
| Engineering Dynamics 7554 Central Parke Blvd, Mason 45040 | (513) 459-9550 |
| Gds Inc 3530 Irwin Simpson Rd, Mason 45040 | (513) 459-1199 |
| Priconicf 7877 Deer Crossing Dr, Mason 45040 | (513) 459-1001 |
| Srt Marketing Inc 9619 Coventry Ct, Mason 45040 | (513) 459-9889 |
| Swanson Group 6736 Mason Rd, Mason 45040 | (513) 398-7257 |
| Technical Manufacturing Systs 940 Snider Rd, Mason 45040 | (513) 398-4303 |