Hanlon Engineering is a full-service and multidisciplinary engineering company based in Tucson, Arizona, with an office in Elko, Nevada. Founded in 1999, Hanlon Engineering offers a complete engineering and design team that handles projects from conception through permitting, engineering, procurement, construction, and commissioning. Their services include civil, structural, mechanical, piping, electrical, instrumentation, programming, project management, and procurement services. They specialize in buildings and process expertise such as acid and raffinate tanks, solar engineering, uranium mine and process plant, and more. Hanlon Engineering is a subsidiary of GR Engineering Services Limited, focusing on providing engineering design and construction services to the mining, commercial, corporate, industrial, and institutional sectors.