North Region – Enid Office
457 CR 36, Enid, MS 38927
Mailing: P.O. Box 100, Enid, MS 38927
Phone: (662) 563-6222

North Region – Tupelo Office
272 CR 995, Tupelo, MS 38804
Phone: (662) 840-5172

Central Region – Turcotte Lab
506 Hwy 43 S, Canton, MS 39046
Phone: (601) 859-3421

South Region Office
1201 N. Clark Avenue, Magnolia, MS 39652
Phone: (601) 783-2911