About Integrated Service Company

Integrated Services Company, LLC, is a trusted leading company in the Refining and Petrochemical industry, and we deliver efficiency and quality in all of our services: Field Services, Construction & Turnaround Services, Manufacturing Services, and Tank Services.

We hire only the most qualified professionals, and we work with suppliers worldwide to ensure our products are superior, so you can be sure the job will be completed quickly and the work will be top-quality. Our processes are safety-oriented, environmentally sound, and cost-effective. Best of all, we can be on the road in mere hours with the high-quality supplies and skilled professionals to fix any on-site problem.

Check out our services or contact us now if you have a problem that needs fixing.

Talk to Someone Now:

918-234-4150

Interested in Working for InServ?

When units fail, pipes burst, or tanks spring a leak, our clients look to InServ and our teams of skilled professionals to hit the ground running and fix the problem with speed and efficiency. InServ is always recruiting skilled professionals in the following areas:

  • Boilermakers
  • Fitters
  • Welders
  • Helpers
  • Hole/Fire Watch

Our network of job sites spans the country, so you could have job opportunities near you now or in the future regardless of where you live. Working with InServ can also be a great opportunity to travel the country and work with a variety of companies.

If you share our passion for efficiency, quality, and safety, we want you on our team. If you have questions, call 918-879-2660 (InServ) or 918-437-4400 (CTS).

apply now
hard hat welding

Some of Our Clients:

BP
Calumet
Cenex Harvest States
Citgo
Coffeyville Resources
Flint Hills Resources
Holly Frontier
Husky
Lion Oil
Marathon
NCRA
Phillips 66

InServ News

Great Southern Technologies, LLC, an InServ Company seeking:

PROCESS ENGINEER / FIELD TECHNICIAN

The Process Engineer / Field Technician position is involved in the revamp, study and start-up projects within the company. This includes an array of job responsibilities, learning opportunities along with industry exposure. To best service this position, the individual(s) must have process design experience, fulfill required traveling to the field both domestic and international, provide support to sales efforts, and the mechanical department when needed.

With the above requirements, the individual will need to posses innovative thinking for process design challenges, self motivated and have the ability to handle multiple projects simultaneously, These items are essential to the support and success of Great Southern Technologies. Currently, the average amount of field travel time is an estimated 20-25% of the position. The requirement to travel may occur at a moments notice. The remaining time will be spent performing the below responsibilities.

Process Engineer / Field Technician Responsibilities In Order of Precedence

1. Process Engineer
a. Complete fired heater thermal ratings for design and evaluation
b. Complete fired heater datasheets
c. Prepare Field Study Reports
d. Develop & Improve Current Technologies & Procedures

2. Sales Support
a. Develop proposal packages
b. Estimating
c. Build Client / Vendor Relations
d. Prepare and co-perform presentations to clients
e. Evaluate Vendor Designs

3. Field Service
a. Perform field testing and balance heaters
b. Provide start-up assistance
c. Witness burner tests
d. Co-Instruct operator training courses and heater school classes
e. Take dimensional measurements

The ultimate goal for this individual is to develop technically and professionally to eventually:

1) Self manage and develop proposals
2) Field Study Leader and project manager
3) Build Company/Individual market base
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InServ - Integrated Service Company added a new photo. ... See MoreSee Less

Integrated Service Company LLC of Tulsa (InServ) is proud to announce that InServ has acquired Great Southern Technologies, LLC (GST) of Broken Arrow, Ok. GST is an industry leading provider of engineering services and Heater design, which was founded in November 2005 by William C Gibson and Robert L Gibson.

GST's seasoned management team has done a fantastic job of building a solid and successful company that clients with turnkey solutions to their existing heater problems, latest new heater technology design and retrofit

Our clients will continue to receive the same high-quality services, which they have come to expect. GST will continue to operate under that name, as a fully owned subsidiary of Integrated Service Company.

GST, with their process furnace solution capabilities, complements the InServ existing service lines, including:

• Construction & Turnaround Services, LLC
• InServ Field Services
• InServ Tank Services
• InServ Manufacturing

With the GST acquisition, InServ has expanded our expertise in the energy industry and will greatly contribute toward expanding our product offerings to our clients.

Clayton W Hughes
President
InServ
Integrated Service Company
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Contact Info

Integrated Service Company
918-234-4150
1900 N 161st East Ave
Tulsa, OK 74116

Construction & Turnaround Services
918-437-4400
1900 N 161st E Ave, Suite B
Tulsa, OK 74116

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