| Business | Phone |
| Accu Labs 4831 S Whipple St, Chicago 60632 | (773) 523-3100 |
| Acid Products Co 600 W 41st St, Chicago 60609 | (773) 254-5222 |
| Arakawa Chemical Usa Inc 625 N Michigan Ave 1700, Chicago 60611 | (312) 642-1750 |
| Bbf & M Chemicals Corp 2074 W Pratt Blvd, Chicago 60645 | (773) 338-0346 |
| Brenntag Great Lakes 4801 S Austin Ave, Chicago 60638 | (773) 586-2000 |
| Brighton Industries Inc 1500 S Western Ave 411a, Chicago 60608 | (312) 666-6601 |
| Fincor Inc 2441 N Saint Louis Ave, Chicago 60647 | (773) 862-8109 |
| Chem-Tek Inc 5912 N Drake Ave, Chicago 60659 | (773) 509-1955 |
| Chemcentral Corp 7050 W 71st St, Chicago 60638 | (708) 496-9560 |