GeoControl Systems, Inc. (GCS) is a Houston, Texas-based engineering, research and development, technical services, and aerospace support company founded in 1984. The company provides specialized engineering and technical support to organizations including NASA, the Missile Defense Agency, and major aerospace contractors. Its work spans engineering support, research and development, technical services, systems support, and mission-critical aerospace programs.

GeoControl Systems has supported programs associated with the International Space Station, Commercial Crew, and other aerospace and defense initiatives. The company combines engineering expertise, technical personnel, and program support capabilities to deliver specialized solutions for complex government and aerospace projects.