| Business | Phone |
| Custer Office Environments Inc 500 Grandville Ave Sw, Grand Rapids 49503 | (616) 336-8595 |
| Diversified Installations 470 Market Ave Sw, Grand Rapids 49503 | (616) 456-0788 |
| Systems Services 5890 W Grove Dr Se, Grand Rapids 49512 | (616) 554-1096 |
| Select Interiors Inc 1111 Godfrey Ave Sw, Grand Rapids 49503 | (616) 458-5405 |