| Business | Phone |
| Assured Micro Svc Inc 945 W North Bend Rd, Cincinnati 45224 | (513) 591-0880 |
| Couzin's Microforms 3814 West St # 209, Cincinnati 45227 | (513) 561-0947 |
| Microfilm Equipment Svc Corp 3814 West St # 205, Cincinnati 45227 | (513) 561-0285 |
| Micrographic Sciences 622 Ohio Pike, Cincinnati 45245 | (513) 753-9889 |