Leggette, Brashears & Graham, also known as LBG, wais one of the oldest hydrogeology consultation firms in the United States. The company has expertise in professional groundwater and environmental engineering services. Founded in 1944, it focuses on groundwater development for public supply and industrial growth purposes, as well as mine dewatering projects. Leggette, Brashears & Graham works with public water suppliers, government agencies, and private industrial and commercial companies for the investigation and remediation of soil and groundwater problems. The company serves various Fortune 500 companies in the Southwest through more than 20 offices in over 15 U.S. states. It operates William F. Guyton Associates and LBG-Guyton Associates. Leggette, Brashears & Graham offers solutions for the finance, energy, real estate and manufacturing markets.. Engineering