| Business | Phone |
| Murphy Kullens Real Estate 1101 22nd St, Rockford 61108 | (815) 987-4866 |
| First Illinois Development Grp 252p N Phelps Ave, Rockford 61108 | (815) 397-5413 |
| Willow Creek Business Park 1639 N Alpine Rd, Rockford 61107 | (815) 398-8922 |
| Orput Co Inc 1639 N Alpine Rd 2, Rockford 61107 | (815) 226-0870 |
| Landmark Development 1806 S Alpine Rd, Rockford 61108 | (815) 398-0934 |
| Eagle Land Development Co 6072 Brynwood Dr, Rockford 61114 | (815) 282-1790 |