| Business | Phone |
| Aah-Ha Weidners Sewer 25 W North St, Grayslake 60030 | (847) 223-5343 |
| Crisara & Son Home Comfort 18513 W Main St, Grayslake 60030 | (847) 438-1444 |
| Rich Faust Plumbing 449 Barron Blvd, Grayslake 60030 | (847) 223-7692 |
| Lombardo's Heating & Cooling 888 E Belvidere Rd 104, Grayslake 60030 | (847) 362-3060 |
| J M Heating & Air Systems Grayslake 60030 | (847) 949-1738 |
| Roto-Rooter Plumbing & Drain Grayslake 60030 | (847) 223-7311 |
| Beckman Bros Heating & A/C Grayslake 60030 | (847) 223-7870 |
| Johnson's Heating & Cooling 539 Barron Blvd, Grayslake 60030 | (847) 362-8285 |
| Ket Mechanical Svc 17913 W Winnebago Dr, Grayslake 60030 | (847) 772-8193 |
| Lake Cook Plumbing 888 E Belvidere Rd, #305, Grayslake 60030 | (847) 223-9960 |