Tom Joiner & Associates, Inc. (TJA) is a geological and engineering consulting firm based in Tuscaloosa, Alabama. Founded in 1981, TJA has built a reputation for delivering comprehensive solutions across geology, hydrology, petroleum, environmental, and civil engineering disciplines.
Under the leadership of Ken Hanby, President and CEO, TJA continues to evolve, embracing advanced data analytics and expanding its civil engineering services to meet the dynamic needs of our clients. In 2025, we welcomed Jarrod Milligan, P.E., to our team as an environmental and civil engineer, further enhancing our multidisciplinary expertise.
Our firm’s origins are rooted in the oil and gas industry and mineral resource development. Since 1989, TJA has broadened its scope to offer a wide range of environmental services, including regulatory permitting, soil and groundwater assessments, remediation, and Clean Air Act compliance.
Today, TJA is committed to integrating cutting-edge data analytics into our engineering practices, providing innovative and efficient solutions for our clients’ most complex challenges.
