From the moment we receive our clients' blueprints to completed installation in the field, ISTI provides comprehensive turnkey services for oil, natural gas and petrochemical facility clients. We pride ourselves on delivering precisely to our clients' specifications, on time and on budget. ISTI will grind out the challenges and obstacles presented to meet our client's deadlines. From fabrication, paint, assembly, insulation and I&E, ISTI provides complete turn-key delivery for our client projects. The team at ISTI is ready to take on your job.

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About Report

From small single skid units to an 80 module Sulfur Recovery Unit processing 500,000 tons annually, ISTI Plant Services has vast experience in all types of field construction, including civil, structural, piping, fabrication, prep and painting, insulation, heavy rigging, instrumentation and electrical.

Facilities Report

ISTI is located at the head of the McClellan-Kerr Arkansas River Navigation System at Tulsa Port of Catoosa, one of the largest, most inland river ports in the United States. With more than 200,000 square feet of pristine interior workspace, our facilities can accommodate a wide range of projects, from pre-fabrication pipe and structural steel for an entire plant to single skid jobs.

Fabrication Report

Our craftsmen are extremely well trained and experts at what they do. We treat our team members like family, so we enjoy a very low turnover rate. We're committed to quality, and know it is critical to provide our workforce with ongoing training that keeps them on the leading edge of current industry technologies.

Delivery Report

The 2500 acre Port of Catoosa is Tulsa's "unsung" shipping hero, delivering a unique capability to Tulsa businesses as one of the largest inland ports in the United States. Located at the head of navigation for the McClellan-Kerr Arkansas River Navigation System, the Port of Catoosa offers year round barge, rail and truck transportation services, and can handle and trans load more than five million tons of cargo per year.

Gabriel Ortega

May 25, 2022

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Great company if your an ILLEGAL. Supervision is a joke care little to none about employees. Production over safety and employees. SAFETY is non existant Poor quality of work and no value in what they do.

Carlos Armenta

Feb 13, 2021

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Critical: Professionalism, Quality they pay cheap they don't care for the workers and their supervisors are inhumane with the workers and poor quality at work

Eric Brown

Apr 04, 2019

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Great pay and a good place to work but they never answer calls and I am very experienced and wanted to work there

Insulation Specialists-Tulsa