| Betz, Susan | | (517) 849-2470 | Hillsdale |
| City of Rockford | | (616) 866-1537 | Kent |
| Clark Street Partners | | (269) 427-4010 | Van Buren |
| Dow Gardens (The) | | (989) 631-2677 | Midland |
| Frank's Landscaping and Interlocking | | (313) 278-4855 | Wayne |
| Frederik Meijer Gardens & Sculpture Park | (888) 957-1580 | (616) 975-3144 | Kent |
| Gee Farms Nursery & Greenhouses LLC | (800) 860-2874 | (517) 769-6772 | Jackson |
| Girdham, Angela | | (517) 437-4734 | Hillsdale |
| Grand Valley State University | | (616) 331-3852 | Ottawa |
| Greater Detroit Landscape Co. | | (586) 777-2000 | Macomb |
| Landscape Design and Associates LLC | | (810) 360-0365 | Livingston |
| Landscape Impressions Designs & Garden | | (616) 698-6350 | Kent |
| Michigan State University | | (517) 355-5191 | Ingham |
| Monroe County MSU Extension | | (734) 240-3170 | Monroe |
| Natures Needs Landscape Construction | (800) 404-6657 | (616) 794-1254 | Ionia |
| North by Nature LLC | | (231) 340-0446 | Emmet |
| Sun & Shade Designs | | (248) 723-2738 | Oakland |
| Sun & Shade Designs | | (248) 723-2738 | Oakland |
| Windmill Island Gardens, City of Holland | (888) 535-5792 | (616) 355-1030 | Ottawa |
| YardWerks, LLC | | (734) 255-2440 | Wayne |
