| Business | Phone |
| Acceleration Sports Training 1111 Leffingwell Ave Ne, Grand Rapids 49525 | (616) 464-5639 |
| Dale Carnegie Training 3019 Cooks Meadow Dr Ne 100, Grand Rapids 49525 | (616) 975-3000 |
| Digital Marketing Solutions 139 Luray Ave Nw, Grand Rapids 49504 | (616) 281-1740 |
| Eula Gaddis 1113 Lyon St Ne, Grand Rapids 49503 | (616) 776-5266 |
| Geo Productions Grand Rapids 49544 | (616) 453-7447 |
| Summitt Training Source 4170 Embassy Dr Se, Grand Rapids 49546 | (616) 949-4343 |
| School Of Business Training 473 Fulton St E, Grand Rapids 49503 | (616) 732-1175 |
| Quantum Services Inc 300 44th St Sw, Grand Rapids 49548 | (616) 241-3122 |