Gary Larson Nondestructive Testing Level III Services and Training

Gary Larson

Larson NDT Level III Services and Training, LLC offers the highest quality of NDT Level III Services and Training on the market today.  We provide superior services to our customers and have assisted them in achieving their goals.

At Larson NDT Level III Services and Training LLC, our highest priority is satisfied customers. You are important to us and you can expect us to go the extra mile for your business. Superior customer service is the hallmark of Larson NDT Level III Services and Training LLC. We are proud to serve you and work hard to earn your business.


38+ years of experience performing NDT in the piping and pipe welds, cast steel valves, ductile iron castings, and aerospace industry applications. I am certified in Radiography, Ultrasonic, Liquid Penetrant, Magnetic Particle and Visual Testing. I have performed radiography with X-Ray, Ir192, and Co.60 and used film as well as amorphous selenium plates and phosphor imaging plates. I have ultrasonic testing experience on various steels and steel welds and composite materials. I am experienced in liquid penetrant testing using visible dye as well as fluorescent dyes and techniques such as the post emulsifiable, solvent removable and water washable. My magnetic particle testing experience includes yokes, prods and bench techniques. I am experienced in visual testing and was previously certified as a CWI. Past duties included performance of exams, developing procedures and techniques, developing certification procedures, certifying technicians and auditing records and files as well as auditing the technician’s performance.

Previous certifications include an AWS CWI, EPRI Flaw Sizing and an ACCP certification in MT and PT. I am currently a member of ASNT and an active member of the E-07 committee of ASTM.


I make it my responsibility to know you and your business. I work closely with you to ensure that the solutions I provide are tailored to meet your unique needs and challenges. I am committed to your success.