| Business | Phone |
| Chloride Sales 1290 Lakeside Dr, Romeoville 60446 | (630) 759-4900 |
| Green Products 221 Rocbaar Dr, Romeoville 60446 | (815) 407-0900 |
| Prairie Material Sales Inc 1409 Joliet Rd, Romeoville 60446 | (630) 739-9067 |
| Mirza Specialties 118 Gorman Dr, Romeoville 60446 | (815) 886-1280 |