Ducon Technologies provides custom equipment for refineries, mining and incineration operations, cement works, power boiler operations, and paper mills, among others, to help control atmospheric pollutants, and to monitor emissions, thereby helping its customers with their compliance to EPA and local environmental regulations. The company's equipment offerings include activated carbon absorbers, electrostatic precipitators, flue gas desulphurization equipment, gas absorption towers, incineration systems, and particulate scrubbers. Ducon Technologies claims to serve all FORTUNE 500 companies.

Project Design Consultants have elevated it to a lofty position among engineering firms serving Southern California and Arizona. It provides such services as civil engineering, planning, land surveying, and landscape architecture, serving an array of private- and public-sector clients. Project Design Consultants' clients have included such residential developers as D.R. Horton, Brookfield Homes, and Pulte Homes. Project Design Consultants was founded in 1976 and has three offices in Southern California and one in Phoenix.

Tri-City Electrical Contractors targets Florida's commercial, government, industrial, residential, and communications markets. The company designs, installs and services electrical systems in apartment buildings, courthouses, convention centers, major sports arenas, resorts, and more. The company also specializes in fire and security alarm systems. Once part of now-bankrupt Encompass Services, Tri-City Electrical Contractors was repurchased by founder and chairman Buddy Eidel in 2003. Tri-City Electrical Contractors, which traces its roots to 1958, operates from its Central Florida headquarters and three divisional offices throughout the Sunshine State.

Tower Tech makes factory-assembled fiberglass cooling towers for a variety of facilities including power generation, manufacturing, commercial, health care, and public facilities. The company also offers temporary cooling towers that are available for rapid installation in case of emergency and/or supplementary need, for temporary usage, and lease-to-own. Additionally, Tower Tech offers accessories including electrical control panels, pumps, and variable frequency drives. Inventor Harold Curtis founded Tower Tech in 1985.

The war was over and the Allies had won on every front. There men and women were welcomed home by a grateful country. Years of rationing had created unsatisfied consumer demand for every product imaginable. It was a time when people with new ideas, when entrepreneurs with new vision, initiated the largest economic expansion ever known.As new homes and factories went up across the nation, new companies began to make products to keep them warm and comfortable. An idea conceived over a lobster dinner led to the founding of Sterling Radiator Company in February 1946. In July of that year, the first lengths of finned-tube radiation were manufactured by a work force of three in a rented garage in Westfield, Massachusetts. Spurred by demand for its high quality products, the company moved to larger facilities in 1947, again in 1950, and again in 1954.

M+W U.S. knows the A+B+Cs of specialized architecture and engineering services. A US subsidiary of Germany's M+W Group, the company provides engineering, architecture and construction, and facilities engineering. The US arm focuses on technology-driven facilities such as clean rooms and semiconductor production plants. The firm's clients include governments, universities, and electronics and industrial companies. Until 2006, parent company (formerly M+W Zander) was a subsidiary of German technology group Jenoptik; that company sold M+W Zander to UK-based Springwater Capital, which in turn sold it to European investor VICTORY Industriebeteiligung in 2007.

Martin Marietta Aggregates got true grit. Martin Marietta Aggregates produces and supplies crushed granite and limestone, sand, and gravel for highway and public infrastructure, residential, and commercial projects in the US (primarily in the South and Midwest), Canada, and the Caribbean. It operates about 275 quarries, underground mines, and distribution facilities. Martin Marietta Aggregates also produces asphalt and ready-mix concrete and operates a road paving business. Martin Marietta Aggregates accounts for more than 90% of parent Martin Marietta Materials' sales.

Taiheiyo Cement has laid a solid foundation in cement and construction materials. Through some 310 subsidiaries and more than 135 affiliates, Taiheiyo operates in the resource, environmental, building materials, and construction industries. With about 30 cement plants around the world, ready-mix concrete and concrete products is at the core of Taiheiyo. It also operates several limestone mines, and is involved in the ceramics and electronics business. Other non-cement operations include recycling businesses, which process materials such as wood chips and plastic, as well as sludge and industrial waste. Taiheiyo affiliates also provide real estate leasing and development throughout Japan.

MASISA lets the chips fall where they may -- as long as they end up in its MDF (medium-density fiberboard) and particleboard. MASISA manufactures particleboard, fiberboard, and related products, such as doors in Latin America. The company sells its wood board products under such trade names as Placa Masisa and Facilplac. Customers include furniture makers and the construction industry; Masonite International accounts for more than 40% of its solid wood product sales. One of the largest forestry groups in the world, MASISA has more than 240,000 hectares of forestry and reserve land in Argentina, Brazil, Chile, and Venezuela. Subsidiary Forestal Tornagaleones manages MASISA's timberlands in Argentina and Chile.

Pioneer General Contractors has been blazing trails for more than 75 years. The company provides design/build, general contracting, construction management, and competitive bid services for commercial, retail, hospitality, multi-unit residential, industrial, and institutional construction and renovation projects. No projects are too big or too small -- it renovated the Kent County Humane Society, for example, and also built the $32 million GVSU Cook-DeVos Center for Health Sciences in Grand Rapids. The company operates through offices in Grand Rapids and Traverse City, Michigan. Earl Beckering Sr. established Pioneer General Contractors in 1933.

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