Cimetta Engineering & Construction Co.

The Ashton Company, founded in 1946 and incorporated in 1952, provides engineering and general contracting services. It has capabilities to provide industrial, mining, power, utility, underground, highway and heavy engineering services to the electrical, mechanical and civil engineering industries. The Ashton Company offers estimation, project management and scheduling, budgeting and labor, equipment and materials reporting. The company also owns and supplies hundreds of equipment and machinery, such as excavators, backhoes and cranes. The Ashton Company has a heavy equipment maintenance shop, small tool and material warehouse, welding and fabrication shop, machine shop and painting shop, as well. Ashton has completed projects for a number of clients, including Pima County Wastewater Management and the City of Tucson in Arizona.

Established in 1963, GLHN Architects and Engineers Inc. is a provider of integrated, multi-discipline services in architecture, mechanical, electrical and civil engineering. Based in Tucson, Ariz., the company offers expertise in campus utility master planning, underground utility systems/buried pipe, medical/laboratory design and large-scale municipal vehicle maintenance facilities. In addition, it provides low-energy electron diffraction (LEED)/sustainable designs and systems commissioning. The firm is also developing a specialization in the design of alternative fuel facilities, like E85 stations and campus solar energy. It serves higher education, federal government, municipal and transportation sectors.

Krebs Engineers is one of the world leaders in hydrocyclone separation solutions. The company has been serving the process industries since 1952. Krebs Engineers is recognized throughout the world for its knowledge and expertise in the use of hydrocyclones for the recovery and classification of solids, removal of oil from water and severe-duty slurry pumping. The company is privately held employs nearly 170 employees throughout the world. In 1996, Krebs relocated its corporate offices to Tucson, Ariz. from Menlo Park, Calif. Krebs has subsidiary offices in Australia, Austria, Brazil, Chile, the Philippines and South Africa, as well as an international network of representatives, distributors and licensees that sell and support Krebs products throughout the world.