LA-CO Industries, established in 1934 by Dr. Lester Aronberg, is a Chicago-based manufacturer known for its industrial chemicals, marking products, and plumbing/HVAC solutions. The company has a strong legacy in materials science, catering to professional contractors, agricultural sectors, and industrial manufacturers worldwide.
LA-CO offers a range of products, including the Paintstik® line of solid paint markers and Markal® brand industrial markers for various applications. Their plumbing and HVAC solutions feature high-performance thread sealants and fluxes under the LA-CO® brand, used in significant projects like the U.S. National Archives Building. Additionally, they provide specialty solutions such as temperature-indicating tools and sterilization inks for industrial and agricultural needs.
The company focuses on innovation driven by customer needs and is actively expanding its digital marketing and operational efficiencies to enhance its product offerings and geographic reach.