PURVIS Systems Incorporated - established in 1973 and headquartered in Port Jefferson Station, NY, is a small business under NAICS 541330.  Over 150 employees operate from locations in New York City (College Point), NY; Middletown, RI; Virginia Beach, VA; Phoenix, AZ; and Washington, DC.  Our professional and technical staff offers full spectrum engineering solutions for mission critical applications within the Department of Defense, government agencies and commercial businesses.  PURVIS has been a dedicated DoD service provider for over thirty years, offering extensive expertise in engineering and other technical services; long-term DoD customers include the Naval Undersea Warfare Center (NUWC), Naval Surface Warfare Center (NSWC), Surface Warfare Development Group (SWDG) and the Space and Naval Warfare (SPAWAR) Systems Center.  Core capabilities include communications and information systems, as well as custom hardware/software services - from initial design through implementation and life cycle management.  Other technical services include tactical development and evaluation (TAC D&E), test and evaluation (T&E), and 24/7 field services.