T. D. Williamson, Inc.
6120 S Yale Ave #1700 , Tulsa, Oklahoma, United States

TDW serves the gathering, transmission and distribution sectors of the pipeline industry with a global portfolio of products and services, including advanced isolation, integrated pigging and integrity assessment solutions. With both onshore and offshore applications, we offer expansive pipeline maintenance and asset optimization activities. We cultivate long-term relationships with operators that endure throughout the life of a pipeline. From commission to decommission and everything in between — we’re there.  

TDW has provided safe, industry-leading solutions for pressurized piping systems worldwide for more than 100 years. Our comprehensive portfolio for onshore and offshore applications includes advanced isolation, integrated pigging and integrity assessment.

Our Core Values

• We build trust by always doing the right thing with care and respect.
• We achieve our shared goals by working together.
• We have the vision and passion to go above and beyond to deliver results.