International Accreditation Service, Inc.

5360 Workman Mill Road
Whittier, CA 90601
Phone: 562-699-0541
Fax: 562-699-8031
Toll-free: 1-866-427-4422

IAS accreditation gives you complete confidence that inspection agencies, fabricator inspection programs, and testing and calibration laboratories have been evaluated against internationally accepted standards to determine their competence and performance capability. Our fabricator program specifically requires periodic (quarterly) assessments of fabricators by an accredited inspection agency. Please visit our web site ( for current information on the IAS fabricator inspection program and inspection agency requirements.