Wastren Advantage's advantage is that it handles the kind of waste that others won't handle. The environmental services company provides radioactive and hazardous waste management, including packaging, transport, and disposal. Wastren Advantage also provides facilities operations and maintenance, decontamination and decommissioning, pollution prevention, site remediation, and various environmental engineering services. It manages facilities and cleanups for federal, state, and local government agencies, as well as for private companies. Based in Piketon, Ohio, the company also has offices in Grand Junction and Thornton, Colorado; Kevil, Kentucky; Chesapeake, Virginia; and Houston, Texas.

Rechargeable Battery Recycling Corporation (RBRC) gathers used rechargeable batteries at more than 30,000 retail locations in the US and Canada and recycles them for further use. The company also recycles, refurbishes, and resells cell phones. RBRC is funded by more than 350 makers and marketers of rechargeable batteries who license the RBRC battery recycling seals to imprint on batteries and product packaging. The organization recycled 6.9 million pounds of rechargeable batteries in 2008 and has recycled about 50 million pounds of rechargeable batteries since 1996.

Penta-Ocean Construction isn't all pent up along the waterfront, although it does specialize in such marine engineering projects as dredging and land reclamation, including some environmental protection (it has developed an eelgrass transplantation process). The company's civil engineering unit also constructs airports and container terminals as well as dams, bridges, and highways. Work by its architecture unit includes concert halls, aquariums, office towers, and condominiums. Its environmental technology division builds wind power stations and recycling facilities. The company also has research and development operations for all of its divisions.

Weaber manufactures rough and finished hardwood lumber, flooring, moulding, surfaced oak boards, and custom-cut wood products. Utilizing local species such as red oak, white oak, and poplar, the company also makes stair parts, logs, and secondary hardwood products such as wood chips, shredded bark mulch, dry planer shavings, and sawdust. Weaber processes some 50 million feet of hardwood logs annually. Walter H. Weaber established the plant in Pennsylvania's Appalachian forest in the 1950s. President and CEO Galen Weaber assumed ownership of the company in 1971 and has run it ever since.

Satterfield & Pontikes Construction provides general contracting, consultation, and construction management services, primarily in the Gulf Coast region of Texas and Louisiana. The company often works on buildings for the commercial, retail, industrial, educational, entertainment, and recreational sectors. Recent projects include the Texas A&M University Health Science Center and the expansion of the World War II Museum in New Orleans. The company specializes in concrete work and early-stage site work, as well as 3-D modeling and virtual design. Satterfield & Pontikes Construction was founded in 1989 and is headed by majority owner and CEO George Pontikes, Jr.

EA Engineering, Science, and Technology wants to stop pollution before it starts by offering environmental consulting services. The company's specialties include brownfields and urban redevelopment, environmental compliance management, and natural resources management. Its more than 450 professionals have completed more than 100,000 environmental projects worldwide (more than $1 billion of services). Customers include government agencies and industrial manufacturers. EA Engineering operates from more than 24 offices -- 21 in the US (including facilities in Alaska and Hawaii) and one in Guam.

RMJM designs big. As one of the world's largest architecture firms, with offices in some 16 cities throughout North America, Asia, the Middle East, and Europe, RMJM draws blueprints for an array of projects. It serves a wide range of clients in the educational, commercial, industrial, leisure, retail, residential, scientific, health care, and public sectors. Major projects span the globe and include the Dubai Convention Centre, The Scottish Parliament, and the Synygy World Headquarters. In 2007 RMJM merged with the established US-based Hillier Group. The deal brought RMJM a well-known firm in North America, where it lacked a presence. The US arm dropped the Hillier name in 2008.

Johnson Supply does what it can. Through about two dozen locations in hot spots like Houston and Lake Charles, Louisiana, Johnson Supply distributes air-conditioning and refrigeration equipment, supplies, and parts from more than 200 manufacturers. Since those places also get cold, relatively speaking, the company sells heating and ventilation equipment as well. Its 200 suppliers include names like York, Friedrich, Warren, Mueller, and Johnson Controls. The company was founded in 1953 by Carl I. Johnson, Sr.

Trussway, Ltd. company manufactures structural building products for a range of projects that include commercial buildings, large multi-family residential facilities, and single-family homes. Trussway's products include roof and floor trusses, pre-assembled door and window openings, and related components. Its BSG Framing Company unit provides all aspects of framing services, including project management, lumber, labor, and funds management. Founded in 1972, Trussway is owned by Highland Capital Management.

Soave Enterprises is suave enough to manage multiple lines of business. The company's wide-ranging interests are divided into four main industries: real estate (residential and industrial development), auto dealerships, beer distribution, and a catch-all diversified holdings group that includes businesses ranging from waste collection and transportation to scrap metals processing as well as units engaged in hydroponic tomato gardening and taxi services. The bulk of Soave's operations are in Michigan. President and CEO Anthony Soave, who founded the company in 1961, owns Soave Enterprises.

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