National Technical Systems Inc. has acquired a regulatory testing laboratory based in the San Francisco area. The acquisition of Elliott Laboratories Inc. adds to Calabasas-based National Technical’s electromagnetic compatibility and product safety testing services. Terms of the deal were not disclosed. Elliott was founded in 1979 and has labs in Sunnyvale and Fremont, Calif. The acquisition gives the company access to a significant market in the high technology sector, said National Technical President and CEO William McGinnis. “This acquisition further strengthens and expands our existing Engineering and Evaluation capabilities, in line with our growth strategy to enhance local services and increase our domestic capacity,” McGinnis said.