| Business | Phone |
| Thomas G Miller 21621 W Wilmar Ave, Grayslake 60030 | (847) 223-5443 |
| Steven A Schroeder Architects Grayslake 60030 | (847) 548-9839 |
| Design Cooperative 29941 N Fremont Center Rd, Grayslake 60030 | (847) 223-3450 |
| Affordable Construction 444 Fairfax Ln, Grayslake 60030 | (847) 223-4052 |