United Contracting Services, Inc. (UCS) is a leader in the Tulsa market for petrochemical, refinery, and mining manufacturing industries.  Our team has more than a century of combined experience in the business specializing in piping, vessels, and field work.

There is simply no substitute for experience. In fact, it’s the key to helping customers solve problems and reducing costs. It’s impossible to troubleshoot in a business without knowing the business.

UCS promotes a culture of workmanship, and constantly strives towards knowing new and emerging technologies in all facets of our business.  These strengths are core values represent out foundation and are fundamental to our present and future success.

UCS will gladly review your project, provide pricing estimates and schedules, tracking all phases of the project from conception to documentation close out.

USC has proven, within the industry, that our reputation stands for excellence and that our clients trust us.

  • Shop Fabricationtower
  • Oil and Gas facilities
  • Cement and Lime
  • Food Processing Plants
  • Petrochemical (petroleum and chemical plants)
  • Power Generation
  • Copper and Steel Mill
  • Metal Heat Treating
  • Paper Mills
  • Boiler and Heater Repair


The team at UCS are skilled in electrical, controls and instruments, and outages in commercial/industrial applications. Our team is fully licensed in State if Oklahoma with all licences available on site.


Section VIII, B31.1 & B31.3

Our Certificate Stamps:

NB & R
ASME – S and U

OK License:





5114 W. 46th St. S.
Tulsa, Oklahoma 74107

Main: (918) 551-7659
Fax: (918) 561-6027

Copyright 2016 Ⓒ United Contracting Services, Inc.
Certification: Section VIII, B31.1,& B31.3  OK. Lic. #77775