| Business | Phone |
| Graphic Communications Intl 3007 Chapshire Dr Se, Grand Rapids 49546 | (616) 575-5501 |
| Uaw Local 1485 Siemens Dmtc 918 Benjamin Ave Ne, Grand Rapids 49503 | (616) 774-9186 |
| Uaw 4330 Stafford Ave Sw, Grand Rapids 49548 | (616) 249-1708 |
| Uaw-Gm Stamping 300 36th St Sw, Grand Rapids 49548 | (616) 243-8875 |
| Sheet Metal Workers 918 Benjamin Ave Ne, Grand Rapids 49503 | (616) 458-2313 |
| National Assn-Letter Carriers 1021 Fulton St W, Grand Rapids 49504 | (616) 458-8611 |