| Business | Phone |
| Employee Group Svc 4090 Westown Pkwy A3, West Des Moines 50266 | (515) 221-2340 |
| Carlson Search Group 1401 50th St 325, West Des Moines 50266 | (515) 224-2400 |
| Control Technology & Solutions 3408 Woodland Ave 403, West Des Moines 50266 | (515) 223-1200 |
| Option One 4401 Westown Pkwy, West Des Moines 50266 | (515) 273-4010 |