| Business | Phone |
| Auto-Chlor System Of Kansas Topeka 66614 | (785) 272-0960 |
| Challenger Products Corp Bldg 638 Forbes Field, Topeka 66619 | (785) 862-1000 |
| Chemquest 1404 Nw Moundview Dr, Topeka 66618 | (785) 232-2722 |
| Corcoran Chemical Products Inc 7031 Sw Queens Ct, Topeka 66614 | (785) 478-4888 |