| Business | Phone |
| Robert Clark 1633 E Clark Rd, Lansing 48906 | (517) 487-6956 |
| R C Displays 2902 S Cedar St, Lansing 48910 | (517) 882-0259 |
| Engineering Graphics Inc 16333 S Us Highway 27, Lansing 48906 | (517) 485-5828 |
| Omnitec 125 Charles St, Lansing 48912 | (517) 371-3900 |