Kawneer is definitely into metal. Operating as Kawneer North America, the company manufactures architectural aluminum building products and systems for use in commercial and industrial construction. The Alcoa subsidiary's products include sliding and swing entrances, framing systems for shopping malls and storefronts, hung/sliding and ribbon/fixed windows, building panels, sun control products, and curtain wall systems for stadiums, sports facilities, schools, low-rise offices, and high-rise buildings. Kawneer operates manufacturing plants and fabricating service centers throughout the US and Canada. The company also sells products in Europe, Asia, and the Middle East.

Callanan Industries is a leading supplier of paving materials and construction services in New York State, providing a complete range of high quality aggregates, asphalt paving, and readymix concrete products to state, federal, municipal, commercial, and private customers. One of the most experienced paving materials suppliers in the country, Callanan Industries was founded by Peter Callanan in 1883 in South Bethlehem, New York, as an aggregate mining company. A forward thinking farmer and entrepreneur, Callanan pioneered the concept of a state highway system, and in 1895 won the first road building contract let by New York State. Over a century later, Callanan Industries continues to be a major supplier of construction materials and services to the New York State Department of Transportation as well as a long list of other customers, both large and small. Callanan Industries was purchased by Oldcastle, Inc. in 1985. Oldcastle, Inc. is a wholly owned subsidiary of the multi-national Dublin, Ireland based CRH-PLC (ticker symbol CRH).

Founded in 1981, Atlas Roofing operates 15 manufacturing facilities across North America and distributes its products throughout the world. This Atlas may not be able to hold up the sky, but it can certainly protect you from its elements. Atlas Roofing manufactures residential and commercial roofing and insulation products that include polyiso and polystyrene sheathing and insulation, foam insulation, roll roofing, and shingles. It is a pioneer in manufacturing foam insulation products free of environmentally harmful blowing agents. Its Falcon Foam division specializes in earth-friendly HCFC-free (hydrochlorofluorocarbon-free) insulation products. Atlas also offers field services for drainage assessments.

The Collins Companies makes its money by lumbering around and gathering dust -- sawdust, that is. The company operates a group of forest product divisions that include four sawmills capable of producing more than 250 million board feet of lumber annually. The group manufactures lumber, veneer logs and flooring, pine particleboard, and TruWood brand siding and trim. It harvests wood from forests in California, Oregon, and Pennsylvania, using hardwood species such as ash, oak, maple, black cherry, poplar, and basswood, and softwood species including white fir, incense cedar, and three varieties of pine. The business has been family-owned since its inception in 1855.

Christenson Electric is all charged up about the work it does. The electrical contractor provides services for a variety of markets including the government, utilities, renewable energy, health care, commercial, and industrial sectors. Its offerings include design/build engineering; high-voltage construction, energy, and data cabling; and commercial and industrial electrical construction. The company has experience developing and maintaining wind farms, solar installations, and hydropower facilities. Christenson primarily operates in the Pacific Northwest but has been increasingly active in the rest of the US. Founded in 1945, the company was acquired by its management in 2008.

AMEC's got the power -- gas, oil, and nuclear. The engineering giant provides design, consulting, and project management services for the natural resources (oil sands, oil and gas, and mining), nuclear, clean energy, water, and environmental sectors. The company is active in the UK and the Americas, as well as other international locations such as Australia and the Middle East. AMEC is responsible for maintaining large, complex facilities such as nuclear power stations and oil and gas production facilities. The company also offers environmental consulting. Top clients include BP, Exxon Mobil, INPEX, Sellafield, and the US Air Force.

Atomic Energy of Canada Limited (AECL) is not going to split anytime soon. Known for designing and developing the CANDU nuclear power reactor, the company designs and builds nuclear reactors and provides services such as construction management, waste management, decommissioning, and life-extension projects related to CANDU reactors worldwide. It also operates two laboratories for nuclear technology research and development, thanks to partial funding from the Canadian government, which is looking to sell its interest in AECL.

F.J. Sciame Construction Company provides construction management and building and renovation services, primarily for commercial and institutional projects. Market sectors include education facilities, restaurants, hospitals, retail facilities, historic restorations, and museums and cultural centers. Among the group's notable projects are the restoration of Manhattan's oldest synagogue, restoration of the New Victory Theatre in Times Square, the Cooper Union academic building, and work on the New Museum of Contemporary Art. Other major projects in Times Square include megastores for Capital Music Group, Toys "R" Us, and Madame Tussaud's Wax Museum.

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.

KML Engineering can usually be found between Point-A and Point-B. The company is a leading provider of solutions and systems for the public transportation and utility industries. Systems designed by KML include Toll collection systems, automatic fare collection, display and queue management systems, and entrance control (turnstiles). The company's fabrication services unit provides consoles, equipment cabinets, and terminal kiosks. KML's engineering division delivers engineering expertise in fields including railway signaling, communications, and electrical power distribution. Affiliate KML Technology Limited markets KML Engineering's revenue collection and turnstile systems.

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