Founded in 1914, Boston Sand & Gravel has supplied concrete for major projects such as Boston's Central Artery/Tunnel, known as The Big Dig. Boston Sand & Gravel's shovel is full of aggregates and concrete. The company operates concrete and ready-mix cement plants in eastern Massachusetts; it also has a sand and gravel facility in New Hampshire. The construction materials business operates a fleet of more than 250 mixer trucks that deliver concrete to its customers (including home builders, developers, and contractors in the New England region) and it operates a short-line railroad that transports aggregate products from the New Hampshire facility to the greater Boston area.

OYO Corporation, which conducts geological research and consults on construction projects. Its geological services include aerial surveys, geophysical exploration, well logging, and fossil and rock analysis. The firm also offers construction consultancy services such as land-use and city planning, environmental engineering, and groundwater and soil pollution studies. OYO makes measuring instruments such as seismometers and borehole logging systems. The company also provides risk management and disaster prevention services.

Gensco is a multi-state HVAC distributor and manufacturer serving the Northwestern United States. Gensco began business in 1947 as the General Sales Company and incorporated under the name Gensco, Inc. in 1948. The name Gensco is a contraction of the words General Sales Company. Over the last sixty years, Gensco has grown and currently operates from twenty-five locations in Washington, Oregon, Alaska, Montana and Idaho. We have approximately 700 employees. Our Corporate Offices are located in Tacoma, WA, approximately 25 miles south of Seattle. Our corporate building has over 200,000 sq. ft of warehouse, manufacturing and office space.

M.W. Kellogg Limited,the engineering and construction firm specializes in gas processing, petrochemical, and other energy plant construction. It services include design; materials and equipment procurement; electrical, civil, and structural engineering; construction management; and project management. M.W. Kellogg has worked on projects in more than 30 countries on every continent except Antarctica. The company became a wholly owned subsidiary of KBR after that firm acquired JGC Corporation's 45% stake in 2011. KBR and JGC had jointly owned M.W. Kellogg since 1992.

GreenShift Corporation, together with its subsidiaries, develops and commercializes clean technologies that facilitate the use of natural resources in the United States. It owns four corn oil extraction facilities in Oshkosh, Wisconsin; Medina, New York; Marion, Indiana; and Riga, Michigan. The company also owns a bio-diesel refinery located in Adrian, Michigan; and an oilseed crushing facility in Culbertson, Montana. GreenShift Corporation sells its corn oil as a feedstock for biofuel production or for direct use as biofuel. The company was formerly known as GS CleanTech Corporation and changed its name to GreenShift Corporation. GreenShift Corporation was founded in 1984 and is headquartered in New York, New York.

The father of CEO John Lattimore, Jr., founded LMC in 1961. Giant aggregates supplier Holcim owns 49% of LMC through US unit Holcim Participations (US); the Lattimore family owns the rest. Lattimore Materials Company (LMC) has been mixing things up in Texas for 50 years. The company mines aggregates (gravel, sand, and limestone) and produces and delivers concrete, primarily in the Dallas/Ft. Worth area but also in Houston, San Antonio, and southern Oklahoma. LMC operates about 30 ready mix concrete plant and a handful of aggregate mines; it also maintains a fleet of more than 400 mixer and haul trucks. The company's mining operations supply aggregates to outside customers and to its own concrete plants.

SNEF has grown into a powerful business. Founded in 1905, the company (known as Groupe SNEF) specializes in climate control (HVAC), communications systems, electrical engineering, industrial processes, and security systems. Its customers include large firms, government agencies, and building administrators. Groupe SNEF works from about 100 offices in France and through more than a dozen international subsidiaries, mostly in Europe and Africa. The firm works on more than 40,000 projects a year. Among its most notable: Op�ra de Lyon; the Charles de Gaulle aircraft carrier; and the national stadium, Stade de France.

JELD-WEN UK was first established in the UK in 1999, when the privately-owned worldwide joinery manufacturer JELD-WEN Inc purchased the former John Carr and Boulton & Paul companies from the Rugby Group to form JELD-WEN UK Ltd. As part of a US-owned company, which has over 150 divisions and more than 20,000 employees worldwide, we have access to extensive resources and are proud of our commitment to UK manufacturing.

Barnard Construction Company really does give a dam about the quality of its work. The heavy civil contractor specializes in building and improving dams, tunnels, oil and gas pipelines, and water and sewer lines across the nation. It has been ranked as the top US contractor in dam construction and is also ranked among the leading contractors for other types of projects -- transmission lines and aqueducts, water supply facilities, oil and gas pipelines, and air pollution control facilities. CEO and owner Tim Barnard founded the firm in 1975; other units, including Barcon, Barnard Environmental, and Barnard Pipeline, were formed to support Barnard Construction Company's primary operations.

Exotic Hardwoods and Veneers is what its name suggests. The company offers a variety of lumber and veneers for residential and commercial applications. It also sells custom-made wall panels, ceiling panels, and doors. The company's products are made from some 30 different domestic and imported wood species, including ash, beech, birch, ebony, mahogany, maple, oak, and walnut. Exotic Hardwoods and Veneers operates a showroom in Oakland, California, but its wood comes from such far-flung locales as Brazil, Hawaii, Honduras, Switzerland, and Nigeria.

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