safety, system safety, software system safety, explosives safety, industrial and quality engineering, quality assurance, mission assurance, Independent Verification and Validation (IV&V), software development and modeling, and related areas. APT currently supports more than 50 customers of which approximately 40 are Government agencies. Our personnel are owners and each shares in the commitment to APT's corporate mission of continually providing state-of-the-art expertise and ensuring the highest level of customer satisfaction.