| Business | Phone |
| Alan Limited 950 28th St Se 102a, Grand Rapids 49508 | (616) 475-8156 |
| Subway Development 5050 Cascade Rd Se, Grand Rapids 49546 | (616) 956-6330 |
| Main St Development 65 Ionia Ave Sw, Grand Rapids 49503 | (616) 454-9860 |
| Space Source Inc 169 Monroe Ave Nw, Grand Rapids 49503 | (616) 456-2000 |