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Founded in 1970, Langan employs nearly 1,000 professionals in its Parsippany, NJ headquarters and among 18 regional offices throughout the US.  Langan International, the firm’s wholly owned subsidiary headquartered in New York City, provides all firm services for projects in the Middle East, Eastern Europe, Latin America, and the Caribbean from seven global offices.

Langan provides geotechnical, environmental, site/civil, and traffic/transportation engineering; surveying; and related services in support of land development projects, corporate real estate portfolios, and the oil and gas industry. Our clients include developers, property owners, public agencies, corporations, institutions, and energy companies around the world.


Creating, Renewing, Preserving, Sustaining…This has been the vision of Silman since its inception in 1966. Since then, the firm has served as structural engineering consultant on more than 21,000 projects and currently has offices in New York City, Washington, DC, and Boston. The firm is noted for its collaborative spirit in the design of new construction domestically and internationally, as well its special expertise in the engineering of historic buildings.

Silman’s engineers are trained to be effective listeners, creative problem solvers, and knowledgeable about all facets of the construction process, ready to provide the highest quality structural engineering services possible.

BluEdge harnesses the power of innovative printing and information management technologies, one client at a time. We balance artistry with technical expertise in color, 2D, and 3D printing. Optimize information management with expert knowledge. And offer individualized technology products and services both at client sites and in our own production centers. Our tailored solutions and strategic advice lead to long-term, highly personalized client relationships. Together, we create work that shines. Together, we push the possible.

Arnel Associates
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