Cape Environmental Management offers a number of engineering and environmental services, including facility construction and demolition, remediation, and water and wastewater utility-related services. Clients include government agencies such as the US Air Force, and the US Army Corps of Engineers, and industrial clients in the petroleum, chemical, telecommunications, and transportation sectors. Specialty areas include engineering, scientific, construction, and industrial hygiene/safety. The company operates from more than a dozen offices, located across the US. It also has two offices in Iraq. Cape Environmental Management was founded in 1965 and acquired by its executive team in 1991.

MDU Resources builds and repairs the infrastructure our nation needs — the roads, the power lines, the electrical wiring and appliances, the building foundations. And MDU Resources supplies the energy and fuel our nation needs — building a strong America. In doing so, MDU Resources cannot overlook its responsibility to the environment, the communities we serve and our stakeholders. Through established operational practices and by leading or participating in a number of programs, MDU Resources helps ensure a viable environment. These practices include minimizing waste and maximizing resources, supporting environmental laws and regulations that are based on sound science and cost-effective technology and complying with or exceeding all applicable environmental laws, regulations and permit requirements.

Gray Construction doesn't have the blues when it comes to building projects. The firm is a top US design and construction firm. Through its subsidiaries the company works on a large array of commercial and industrial projects in the US and Japan. It ranks among the top US contractors in auto plant, distribution/warehouse, and processing plant construction. It also serves the federal government (including military projects), education, medical, and retail industries. Subsidiaries include WS Construction (heavy industrial and commercial contracting); Gray-I.C.E. Builders, Inc. (retail, commercial, industrial, and public construction); and Operations Associates (facilities, supply chain, and consulting).

An air conditioner is nothing but a sum of its parts, with Air System Components (ASC) supplying the parts. Air System Components, Inc. manufactures components, such as grilles, registers, diffusers, and terminal devices for air conditioning, heating and ventilation systems, in addition to fans and other air distribution products. ASC's products are used in industrial facilities, institutions, and commercial and residential buildings, as well as the International Space Station. Brands include Titus, Krueger, Tuttle & Bailey, Reliable, Superior Rex, and PennBarry. Products are available worldwide through a network of wholesalers and distributors. ASC, which has about 10 manufacturing facilities, is a subsidiary of Tomkins.

Hammerstone (formerly Birch Mountain Resources) is trying to climb to the top of the heap in the industrial minerals business. The company was exploring and developing precious metal properties, but is now concentrating on industrial mineral properties (primarily lime and concrete aggregate) in the Athabasca region of northern Alberta. Formed in 1994, the company has two major divisions: industrial minerals and mineral exploration and technology. In 2008, after defaulting on a loan with its primary banker, Birch Mountain Resources went into receivership. An affiliate of Brookfield Asset Management acquired the assets of the company, including a limestone quarry in Alberta, in 2009.

Air Enterprises knows how to handle things. Air Enterprises, LLC custom designs, manufactures, and maintains commercial air-handling systems throughout the world. Founded in 1964, Air Enterprises offers specialties ranging from installing lights and switches to providing electrical and temperature control equipment, as well as piping. The company, which operates from its facility in Akron, Ohio, works on new construction and expansion projects. Clients include pharmaceutical companies, health care, educational, and commercial office buildings, and manufacturing facilities. Air Enterprises assembles its aluminum air-handling systems on-site and online unit design software.

Halex Corporation wouldn't mind if you walk all over them. In fact, you may be stepping all over the flooring products it makes and not even know it. Halex manufactures and distributes products used in flooring installation, such as carpet tack strips, seam tape, flooring nails, plywood underlayment, and height adjustment spacers. The company's Southern California headquarters location houses a technical lab that conducts stability and resilience testing on items such as plywood and nails; from that facility it also distributes products to North and South America, Europe, and Japan.

Leucadia National owns stakes in firms involved in manufacturing, auto finance, medical products, gaming, oil and gas drilling, and real estate. The investment firm typically seeks out troubled companies that it believes are undervalued; its largest segment is telecommunications, represented by portfolio company STi Prepaid, a provider of international calling cards that accounts for nearly 40% of sales. Other holdings include Idaho Timber, Conwed Plastics, Keen Energy Services (formerly Goober Drilling), and ResortQuest International, a resort property management firm, which manages US beach and mountain resorts.

Rick Engineering Company provides civil and transportation engineering, planning, and design services for government agencies, real estate companies, and other public and private institutions in the Southwest US. The company's offerings surveying and mapping, water resources modeling, aerial photogrammetry, legal support services, and specialized computer services. The company's urban design and planning division has overseen streetscape improvements, master planning and landscape architecture projects for municipalities and communities. Rick Engineering Company operates from eight offices in Southern California and in Arizona. The firm was founded as Glenn A. Rick Engineering and Development in 1955.

Cleveland Construction, Inc. (CCI) has ventured beyond Cleveland to offer its services nationwide and abroad. The company offers construction management services for commercial and institutional projects. It also is a top interior contractor in the US, installing finishes such as drywall, acoustic wall panels and specialty ceilings. Projects have included hospitals, universities, correctional facilities, hotels, convention centers, sports complexes, retail outlets, and government buildings such as the Ohio State Stadium, the George Bush Intercontinental Airport in Houston, and Wal-Mart superstores in Florida. Founded in 1980 by CEO Richard Small and his sons, the company remains family-owned.

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