| Business | Phone |
| Brandywine Computer Group 5412 Courseview Dr # 122, Mason 45040 | (513) 573-7040 |
| Computer Professionals Unltd 3611 Socialville Foster Rd, Mason 45040 | (513) 459-7800 |
| Data Architects 5224 Kings Mills Rd # 243, Mason 45040 | (513) 398-7778 |
| Nims Associates Inc 4680 Parkway Dr, Mason 45040 | (513) 573-0122 |
| Systems Evolution Inc 5191 Natorp Blvd # 410, Mason 45040 | (513) 459-1992 |
| Tek Systems 5181 Natorp Blvd # 200, Mason 45040 | (513) 229-2100 |