Murphy Company Mechanical Contractors and Engineers. One of the top mechanical contractors in the US, Murphy Company provides energy, HVAC, plumbing, piping, and design/build services to the commercial, industrial, heavy industrial, and institutional markets. Projects range from new and retrofit construction to clean manufacturing (for biotechnology or microelectronics clients). Clients have included Harrah's and Pfizer. The Murphy Company was founded in 1907 and continues to be controlled and managed by members of the founding family.

MWH Global will make it work. The environmental engineering, construction, and management firm specializes in water-related projects or "wet infrastructure." Typical projects include building water treatment or desalination plants, water transmission systems, or storage facilitates. MWH also provides general building services for highway, bridge, airport, and industrial projects. The company is active in nearly 40 countries and serves mainly the water, renewable energy, and infrastructure and industry markets. Affiliates of the employee-owned company include software solutions provider MWH Soft, business and government relations firm mCapitol, and MWH Laboratories, which conducts research.

MYR Group's work can be electrifying. The specialty contractor builds and maintains electric delivery infrastructure systems for electric utilities and commercial clients. It operates around the US through six subsidiaries: The L.E. Myers Co.; Harlan Electric; Hawkeye Construction; Sturgeon Electric; MYR Transmission Services; and Great Southwestern Construction. MYR Group constructs transmission and distribution lines for the oil and gas, power, and telecommunications industries; it also installs and maintains electrical wiring in commercial and industrial facilities and traffic and rail systems. MYR Group was founded in 1891 by Lewis Edward Myers, who briefly worked as a salesman with Thomas Edison.

Nadel Architects has plans for the US (and Asia, too). The company, one of the largest architect firms in the US, offers architectural design, planning, and interior design services throughout the US and in Asia. Nadel Architects provides services for commercial, public-sector, residential, and institutional projects. With the burgeoning economy in China acting as a catalyst, Nadel Architects has completed projects in that country such as the Beijing Theater and Retail Complex and Dalian's Bank of China tower.. The company operates from offices in Costa Mesa, Los Angeles, Ontario, Sacramento, and San Diego, California, and in Las Vegas and Phoenix. Chairman Herb Nadel founded the company in 1973.

Nasland Engineering provides civil engineering, surveying, and land planning services to private land developers and government agencies in Southern California and Arizona. It offers services for developing subdivisions, commercial/industrial sites, apartments and condominiums, and streets and highways. It also offers flood-control planning, utilities system design, hydrology studies, assessment district engineering, and consulting services. Projects include work for Sea World, the San Diego River Improvement Project, and the redesign of National City, California's "Mile of Cars" auto dealer district. In 1959 Don Nasland founded the company; his two sons, Don and Steven, now own and operate Nasland Engineering.

NBBJ spends a lot of time around hospitals, but don't worry -- there's nothing wrong. The architecture and design firm designs medical facilities as well as other structures including mixed-use commecial and office buildings, arenas, courthouses, colleges, and research facilities. In addition to architecture and design, the company provides consulting, branding, lighting, and landscaping services. NBBJ works on projects (clients have included Starbucks and Microsoft) around the world. It has offices in Washington, California, New York, and Ohio and international offices in China, the UK, Russia, and the United Arab Emirates. NBBJ was founded in 1943 by four Seattle-based architects (Naramore, Bain, Brady, and Johanson).

Netherlands Engineering Consultants (better known as NEDECO) keeps things moving. The non-profit consortium of about 10 Dutch engineering and technological consulting companies and research institutes works to compete on and international scale. Member firms include Fugro, Ferendi, and others. Known for its water and wastewater projects, environmental planning, port development, and transport infrastructure, NEDECO has built projects in developing countries in Africa and Asia. The group provides geotechnical engineering and site surveys, arranges funding, and provides management services. Founded in 1951, NEDECO serves public utilities, private companies, international investors, and governments.

Nikken Sekkei has its origins in a building design company founded in 1900 as part of Japan's Sumitomo conglomerate. Now a private corporation partly owned by its employees, Nikken Sekkei has completed more than 20,000 projects in some 40 countries. The group provides architectural, engineering, urban planning, interior design, and consulting and management services. Among its projects is the Saitama Super Arena and Jumeira Gardens -- a master planned city in Dubai. Nikken Sekkei has also designed terminals for Tokyo International Airport and built hotels, city halls, hospitals, and office buildings throughout Japan and beyond.

Rugged? Good-looking? Talented? Nolte Associates is not just another pretty face. The firm provides a variety of engineering, management, and construction services. Nolte specializes in civil infrastructure, designing transportation systems (bridges, freeways, light rail) and water systems (flood control, recycling, wastewater facilities). Other specialized services include mapping, land development, surveying, and construction management. Nolte has about a dozen offices in the Southwest US and in Mexico. George Nolte Sr. established the firm in 1949. Engineering firm Vertical V acquired control of Nolte in 2010.

North American Theatrix strives for an electrifying performance with its stage lighting, audio, and video setups. The company provides electrical, structural, and mechanical engineering services, as well as project management, integrated control, and stage rigging. Ultimately, the company matches the physical space with appropriate audio/visual technology to create a sublime experience that caters to the needs of both the audience and the clients. Projects include work on casinos, sports facilities, theaters, museums, churches, corporate offices, and universities.

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