O'Brien & Gere provides a range of engineering consulting and project management services throughout the US, including wastewater management and water resources, environmental compliance and remediation, civil and facilities engineering, and utility services. It also provides contract operations and maintenance. The company, which employs hundreds of scientists, engineers, construction, and other personnel, operates some 30 offices located throughout the eastern half of the US. Employee-owned O'Brien & Gere was formed by Earl O'Brien, William Gere, and Glenn Holmes as a water and wastewater engineering partnership in 1945.

Doka USA, part of Germany-based Doka Group, manufactures, sells, and rents frameworks for concrete construction projects. Its products include formwork beams, panels, floor props, and supporting frames for walls, floors, platforms, and load-bearing towers. They are used in major public structures, such as bridges, roadways, tunnels, airports, and dams. The company also offers tie rods and anchors, climbing cones, and suspension accessories, all used to ensure safety when installing formworks. Formerly known as Conesco Doka, Doka USA has sales and branch offices in California, Florida, Georgia, Illinois, Maryland, New Jersey, and Texas.

Lehigh Hanson, Inc. has a big crush on the concrete materials business in North America. The company, which is part of German construction materials firm HeidelbergCement, produces ready mixed concrete, aggregates, concrete block, concrete pipe, and pre-stressed concrete products in the US and Canada. Lehigh Hanson companies include Lehigh Cement Company and Hanson's North American operations. Other companies under the Leigh Hanson umbrella include Hanson Pipe & Precast, which makes concrete pipes, manholes, and precast concrete products and Hanson Brick & Tile.

Windows of opportunity open daily for Andersen, a well-known maker of wood-clad windows and patio doors in North America. Andersen offers window designs from hinged, bay, and double-hung to skylight, gliding, and picture windows. Its Renewal by Andersen subsidiary provides start-to-finish window renewal services, including in-home consultations, in more than 100 markets in the US. Subsidiary EMCO Doors makes storm and screen doors. Through independent and company-owned distributorships (including its Andersen Logistics division), Andersen sells to homeowners, architects, builders, designers, and remodelers. Andersen Corporation is owned by the Andersen family, the Andersen Foundation, and company employees.

North American Technologies Group (NATK) made ties that bind. Its TieTek Technologies subsidiary produced composite railroad crossties made from 75% recycled materials such as plastics and rubber from old tires. It has sold its products to various transportation agencies and railway companies in the US, Australia, Asia, South America, and India. However, due to the recession, the company closed its plants and ceased production of its ties in 2009. TieTek is the worldwide leader in developing and manufacturing composite ties, an innovative product for railroad track construction, maintenance and operation. There management consists of experienced business people, railroad executives, and materials scientists who are committed to bringing the highest quality, most reliable, and cost effective product to there customers.

Barrett Paving Materials, Inc. has offices in Michigan, New Jersey, New York, Ohio, Pennsylvania, Kentucky, Maine, and Maryland. The folks at Barrett Paving Materials want the road to road construction to begin with them. The company, which works primarily in the Mid-Atlantic and Midwest, manufactures asphalt, ready-mix concrete, and other paving materials. It also works as a road construction and paving contractor. Barrett Paving Materials produces its own raw materials at sand and stone quarries and gravel pits. Its projects have included highways, parking lots, airport runways, sports facilities, and bike paths. Barrett Paving Materials is owned by French construction firm Colas.

Nor-Dec International has a window (not to mention doors, custom millwork, cabinetry, and wall paneling) on the world. Its products are sold for use in residential and commercial applications throughout the US and the Caribbean. Nor-Dec International also offers other manufacturers' products, including flooring by Italy's Berti Pavimenti Legno, which has been used in such precision woodcutting projects as flooring for the Kremlin and Windsor Castle. Other items include Weather Shield windows, Kentucky Wood Floors products, and hardware by Omnia Industries and Rocky Mountain Hardware.

The Midwest is the best for Power Construction Company, a general contractor operating in the Chicago area for more than 80 years. The company provides preconstruction planning, construction management, and design/build services for health care, education, hotel, and corporate projects. Power Construction is engaged in new building construction as well as buildouts, expansions, and renovations. More than 90% of the firm's business comes from repeat customers, which have included Astellas Pharma US, Federal Express, and Walgreen. Jerome Goldstein founded the company, which is still owned by management, in 1926.

American Walnut Company manufactures hardwood lumber, walnut gunstock blanks, and other wood products. The company gets its logs from species that include American black walnut, red oak, white oak, soft maple, hard maple, pecan, ash, and cottonwood from Missouri, Kansas, Iowa, Oklahoma, and Nebraska. Its plant in St. Joseph, Missouri, plant annually produces more than 3 million board ft. of lumber. Subsidiary Dyrnamic Research Technologies produces handgun and rifle ammunition for hunting and law enforcement. Other offerings include export packaging and in-house freight forwarding. The firm traces its roots to 1889. American Walnut Company filed for Chapter 11 bankruptcy protection in July 2010.

Milgard was purchased by Masco Corporation, one of the world's largest manufacturers of brand-name consumer products for the home and family. Masco owns many admired companies within the building community, such as Delta Faucet Company, Merillat Cabinetry, Hot Spring Hot Tubs and KraftMaid Cabinetry. Masco is a leading provider of services that include the sale and installation of insulation and other building products. Through Masco, Milgard is receiving the support it needs to bring its high-quality windows and doors to more homes throughout the country.

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