| Business | Phone |
| Aarica Ria Corp 5 Cour Michele, Palos Hills 60465 | (708) 974-3646 |
| Advanced Electrical Control 5 Cour Michele, Palos Hills 60465 | (708) 974-0111 |
| Borre Electric 9939 S 87th Ave, Palos Hills 60465 | (708) 598-5917 |
| Breakwater Electric Inc 7730 W 114th Pl, Palos Hills 60465 | (708) 448-2981 |
| H & N Electric 7925 W 103rd St, Palos Hills 60465 | (708) 598-1013 |