Office in Lincoln, CA
CTC Services Inc. provides nondestructive testing, inspection, and quality assurance services, with a primary focus on northern California and field services throughout the West Coast. It performs laboratory and field inspection services for aircraft, aerospace, buildings, construction, fabrication, welding materials, and products. Its president, Mason J. Stoll, is an ASNT Level III, AWS Certified Welding Inspector, and API 510 Inspector.