We are the Seattle nondestructive testing experts. Certified Inspection Services has been providing inspection services to the maritime, construction, rail, manufacturing, transportation, defense, structural, fabrication, artistic and decorative industries for over 30 years. We are a family owned and operated business located in the Puget Sound area of Washington state and serve industries locally, around the US, and internationally. Our inspectors are ASNT certified to perform penetrant testing, magnetic particle inspection, ultrasonic inspection, and visual inspection. In addition we employ AWS certified CWIs. Let our experience work for you. We have held CWI certification since 1987 and ASNT Level III certification since 1984. Two of our inspectors have bachelor’s degrees in Mechanical Engineering.