United Holdings LLC

About

United Holdings LLC operates as a specialized machinery manufacturer and industrial equipment service provider based in Oklahoma City, Oklahoma, serving the oil and gas, power generation, and transportation sectors. The company delivers comprehensive manufacturing solutions through its extensive capabilities in engine and transmission distribution, oilfield service equipment production, and custom equipment design and engineering services. United Holdings manufactures critical oilfield equipment including hydraulic fracturing systems, gas compressors, pump jack power packages, cementers, blenders, and nitrogen pumpers. Their engineering expertise extends to developing custom compression packages tailored to specific operational requirements. The company maintains strategic partnerships with leading industry brands including Deutz, Detroit, Isuzu, Allison, MTU, Tymco, and Volvo Penta, ensuring access to premium components and technologies. As a subsidiary of Kirby Corporation since 2011, United Holdings leverages decades of manufacturing expertise to provide remanufacturing and rebuilding services alongside comprehensive parts supply for heavy equipment applications. Their integrated approach combines precision manufacturing with engineering innovation to deliver reliable solutions for demanding industrial environments. The company operates under multiple brand identities including Stewart & Stevenson, UE Manufacturing, and Thermo King, positioning itself as a trusted partner for custom equipment solutions. United Holdings maintains its commitment to delivering unmatched customer service while supporting critical infrastructure across energy and transportation industries through advanced manufacturing capabilities and technical expertise.