Specialty chemical manufacturer — Flint, Michigan — est. 1982
Formerly Lockhart Chemical Company
TRU Full Circle Additives (TFCA) is a specialty chemical manufacturer located at 4302 James P. Cole Blvd., Flint, MI. We manufacture and globally market a wide range of performance additives for formulating rust preventives, corrosion inhibitors, emulsifier packages, and metalworking fluids.
Our Flint facility features reactors up to 9,500 gallons, multiple blend tanks, and a dedicated thermal oxidation unit — giving us the capacity and flexibility to serve formulators worldwide with consistent, high-quality products.
TRU Full Circle Additives traces its heritage to the former Lockhart Chemical Company, maintaining the same technical excellence and formulation expertise while building under new ownership and a strengthened commitment to quality and global supply.
Products manufactured in Flint, Michigan and distributed to customers worldwide through our network of authorized distributors.
To provide chemical products and technical services that extend the life and enhance the performance of equipment, processes, and products.
Every product that leaves our facility meets rigorous quality standards. We stand behind the performance of our sulfonates, emulsifiers, and additive packages.
With decades of experience in sulfonate reaction chemistry, our team brings deep technical expertise to every formulation challenge our customers face.
TRU Full Circle Additives combines decades of sulfonate chemistry expertise with a modern, flexible manufacturing facility in Flint, Michigan. Our central US location, large-capacity reactors, and experienced team make us the preferred partner for contract manufacturing and specialty additive supply.
As the successor to Lockhart Chemical Company, TFCA brings continuity of product quality and technical knowledge with the added strength of new investment and renewed operational focus.
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Explore our full portfolio of specialty chemicals including sulfonates, emulsifiers, and metalworking additives.
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Learn about our commitment to superior surface protection solutions for formulators of functional fluids and coatings.
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TFCA partners with a select network of authorized distributors to serve customers globally.
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