An Industry Leader in
Professional Inspections
Since 1979.

CATSI is your trusted inspection and technical services partner for projects and turnarounds within the oil and gas, pipeline, chemical, metals, and power industries.


In the World of Heavy Industry, Precision, Expertise, and Reliability are Non-Negotiable.

CATSI stands as a prominent name among the nation’s leading inspection and technical services companies. Our journey is marked by a steadfast commitment to delivering highly experienced personnel for a wide spectrum of projects and turnarounds in the refinery, pipeline, chemical, and power industries. When you partner with CATSI, you gain access to a team that understands the intricacies of your industry, delivering solutions that are as effective as they are efficient.


We Don’t just Identify Problems,
We Diagnose Solutions.

Our commitment extends beyond problem identification—we excel at diagnosing and implementing solutions. While many firms may stop at identifying an issue, CATSI goes the extra mile to provide comprehensive solutions that save our customers time, resources, and hassle.


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CATSI is part of the Allied Resources Group (ARG). Our family of technical companies offer a collaborative environment, flexible work opportunities, and a family-centric culture.