| Business | Phone |
| Bruyn & Assoc 161 Ottawa Ave Nw, Grand Rapids 49503 | (616) 336-9320 |
| Douglas Public Relations 2702 Zuni Trl Se, Grand Rapids 49506 | (616) 942-9868 |
| Hubers & Assoc 310 Fulton St E, Grand Rapids 49503 | (616) 458-9500 |
| Jarman Johnson Comm 233 Fulton St E, Grand Rapids 49503 | (616) 451-6169 |
| Jones & Gavan 161 Ottawa Ave Nw, Grand Rapids 49503 | (616) 235-9380 |
| Wondergem Consulting Inc 15 Ionia Ave Sw 405, Grand Rapids 49503 | (616) 235-7467 |
| Lambert Edwards & Assoc Inc 171 Monroe Ave Nw 400, Grand Rapids 49503 | (616) 233-0500 |
| Wade Clare Communications 60 College Ave Ne, Grand Rapids 49503 | (616) 458-7421 |
| Straightline 120 Ionia Ave Sw, Grand Rapids 49503 | (616) 776-5900 |
| Straightline Public Relations 171 Monroe Ave Nw # 400, Grand Rapids 49503 | (616) 456-0750 |
| Seyferth Spaulding Tennyson 40 Monroe Center St Nw 202, Grand Rapids 49503 | (616) 776-3511 |
| Professional Marketing 2025 E Beltline Ave Se 408, Grand Rapids 49546 | (616) 949-9104 |
| Prsa West Michigan Chapter 1820 Lake Dr Se, Grand Rapids 49506 | (616) 336-0678 |
| North Star Media Adventures 100 Grandville Ave Sw 301, Grand Rapids 49503 | (616) 235-9580 |