Mountain State Information Systems, Inc. (MSIS) is a dynamic small business established in 1995 as a West Virginia Corporation.

MSIS specializes in providing software and systems engineering services for large-scale, complex systems. We have been providing high technology support services to the U.S. Navy since 1995, to the U.S. Marine Corps since 2005, and to NASA since 1997.

Headquartered in Radford, VA, MSIS has teams of personnel working on-site at the NASA Independent Verification and Validation (IV&V) Facility in Fairmont, West Virginia; at the Naval Surface Warfare Centers in Dahlgren, Virginia (NSWC Dahlgren) and Crane, Indiana (NSWC Crane); and at other contractor sites in Rockville, MD.