| Company | Category | Area | Address | Web | E-mail | Contact person |
| SIMPLEX TIME RECORDER 327 | Whol Electrical Equipment Elec | Michigan | 2970 WALKENT DR NW, GRAND RAPIDS, Kent, Michigan, 49544-1453, USA |
- |
- |
Tom Nagelkirk |
| SIMPLEX TIME RECORDER CO | Whol Electrical Equipment Elec | Michigan | 3401 E SAGINAW ST STE 204B, LANSING, Ingham, Michigan, 48912-4730, USA |
- |
- |
Bernard Smith |
| SIMPLEXGRINNELL | Security Control Equip & Syste | Michigan | 2970 WALKENT DR NW, GRAND RAPIDS, Kent, Michigan, 49544-1453, USA |
www.simplexnet.com |
- |
Tom Nagelkirk |
| SIMPLEXGRINNELL | Electric Alarms | Michigan | 2970 WALKENT DR NW, GRAND RAPIDS, Kent, Michigan, 49544-1453, USA |
- |
- |
TOM NAGELKIRK |
