Custom structural steel fabrication cutting, drilling, welding capabilities at Chemtec Energy Services fabrication shop, Willis Texas

Custom Fabrication

At Chemtec, we take pride in delivering high-performance, custom-engineered fabrication solutions that meet the unique needs of every customer. From additive injection and sampling systems to pig launchers and receivers, pump systems, and complete pipe and structural fabrication, our team combines technical expertise with precision craftsmanship to bring complex projects to life. With decades of experience and a reputation for quality, Chemtec is trusted by industry leaders to design and build reliable, turnkey systems that perform in the most demanding environments. 

Custom Fabrication

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Custom Fabrication -

Additive Injection Systems

Additive Injection Miniblocks

Additive injection system with totes and pump skid 

Sampling Systems

  • Chemtec Composite Sample Containers and Circulation Systems provide a safe, low-pressure solution for collecting, storing, and recirculating crude oil samples. The Receiver/Mixing Unit supports LACT/ACT units, truck loading and unloading, pipelines, marine terminals, and allocation sampling.

    The API 8.3–certified Chemtec Composite Sampler features an operator-friendly design with high-quality components, delivering durability, reliability, and easy access for everyday use.

API approve crude oil sampling system with sample pots and instrumentation fabricated by Chemtec Energy Services
Rows of API approved crude oil sampling systems fabricated at Chemtec Energy Services facility

Pump Systems

Modular Pump Skid

Injection Pump Skid

Custom pig launcher and receiver skid with white piping and valves fabricated by Chemtec Energy Services

Pig Launchers and Receivers

Chemtec designs and fabricates custom PIG launchers, signals and receivers designed for safe, efficient pipeline cleaning, inspection, and maintenance across a wide range of operating conditions. Each unit is built to customer specifications, incorporating robust materials, precision welding, and code-compliant features to ensure long-term reliability and operational safety.

General Pipe & Structural Fabrication

Chemtec Energy services structural welding employee welding overhead on structural frame for modular package

“Communication was top-notch and the final outcome was even better than we imagined. A great experience all around.”

Former Customer