Rocker A Operating Company is a privately owned oil and gas field services company founded in 1976 and headquartered in Post, TX. The company specializes in oilfield cementing and cased-hole wireline services, employing 2-10 personnel. It serves customers in both the Permian Basin and beyond, operating out of a location in Levelland, Texas. Rocker A manages production across the state of Texas and offers office contacts at its P.O. Box 97 Post, TX