| Business | Phone |
| Garrison Specialty Chemicals 193 Prescolite Dr, El Dorado 71730 | (870) 863-3830 |
| Great Lakes Chem Corp Land Dpt 104 N Washington Ave, El Dorado 71730 | (870) 862-9100 |
| Tessenderlo Davison Chemicals 1101 N Park Ave, El Dorado 71730 | (870) 862-5113 |
| Baker Petrolite 2501 Pershing Hwy, El Dorado 71730 | (870) 725-2661 |