Phone : (800) 256-0935 Fax: (903) 786-8211

 Staff

  General Manager

 Field Technician

 Field Technician
 Groundwater Technical Lead/Data Administrator

 Registration Coordinator
 Finance Officer

 Accountant

 Accountant

 Administrative Manager/Project Coordinator
 Project Consultant
 Administrative Assistant

Paul M. Sigle, EIT

Wayne Parkman

Kenneth Elliott
Allen Burks

​Stacy Patrick 
Debi Atkins

Tasha Hamilton

Lisa Cranfill

Nichole Sims
Carolyn Bennett
Velma Starks