Systems Application & Technologies, Inc. SA-TECH is a progressive and steadily growing, professional services firm providing quality products and services to a wide range of clients since 1989. SA-TECH currently provides Operations and Maintenance O&M, Engineering, Information Technology and Logistics support services to the Department of Defense DoD. The vast majority of SA-TECHs current business is providing O&M services to support Test & Evaluation T&E and Warfighter training requirements for U.S Navy, Army and Air Force customers. The remaining business involves providing program management support, systems engineering services, and logistics expertise to DoD customers.