Top federal contractors for NAICS 541310.

Bl Harbert International LLC

Birmingham, AL · Department of State

Aecom Technical Services, Inc.

Los Angeles, CA · Department of Defense

Leidos Engineering LLC

Reston, VA · Department of Defense

Tetra Tech, Inc.

Pasadena, CA · Department of Defense

Shaw Infrastructure, Inc.

Monroeville, PA · Department of Defense

Burns & Mcdonnell Engineering Company, Inc.

Kansas City, MO · Department of Defense

Ea Engineering, Science, And Technology, Inc., Pbc

Hunt Valley, MD · Department of Defense

Jacobs Engineering Group Inc.

Arlington, VA · Department of Defense

Jacobs Government Services Company

Arlington, VA · Department of Defense

Black & Veatch Special Projects Corp.

Overland Park, KS · Department of Defense

Woolpert, Inc.

Beavercreek, OH · Department of Defense

Waller, Todd & Sadler, A Woolpert Company, LLC

Virginia Beach, VA · Department of Defense

Wsp USA Solutions INC

Arlington, VA · Department of Defense

Mwh Constructors INC

Broomfield, CO · Department of the Interior

Exp Federal Inc.

Chicago, IL · Department of Defense

Kleinfelder INC

Rancho Cordova, CA · Department of Defense

Moffatt & Nichol

Long Beach, CA · Department of Defense

Hitt Contracting, Inc.

Falls Church, VA · Department of Defense

Michael Baker International, Inc.

Moon Township, PA · Department of Defense

Woolpert-kzf Jv LLC

Cincinnati, OH · Department of Defense

Michael Baker International Holdco Corporation

Moon Township, PA · Department of Defense

Nika Technologies INC

Rockville, MD · Department of Defense

Stantec Consulting Services Inc.

Denver, CO · Department of Defense

Barge Design Solutions, Inc.

Nashville, TN · Department of Defense

Aecom International Inc.

Frankfurt Am Main · Department of Defense

Huitt-zollars, Inc.

Fort Worth, TX · Department of Defense

Hdr Architecture, Inc.

Arlington, VA · Department of Defense

Wsp USA INC

Federal Way, WA · Department of Defense

Parsons Infrastructure & Technology Group Inc.

San Antonio, TX · Department of Defense

Karuk Tribe Of California

Happy Camp, CA · Department of Health and Human Services

Kimley-horn And Associates INC

Raleigh, NC · Department of Transportation

Pueblo Of Laguna

Laguna, NM · Department of the Treasury

Kleinfelder-geomatrix

San Diego, CA · Department of Defense

Gannett Fleming Architects, Inc.

Mechanicsburg, PA · Department of Defense

Hdr, INC

Omaha, NE · Department of Veterans Affairs

Smithgroup, Inc.

Washington, DC · Social Security Administration

Pueblo Of Taos

Taos, NM · Department of the Interior

Pueblo Of Santa Ana

Bernalillo, NM · Department of the Interior

Farnsworth Group, INC

Bloomington, IL · Small Business Administration

Pond-cdm Smith Jv LP

Peachtree Corners, GA · Department of Defense

Hntb Corporation

Kansas City, MO · Department of Defense

Benham - Mead & Hunt

Oklahoma City, OK · Department of Defense

Kleinfelder Northeast, Inc.

Boston, MA · Department of Defense

Woolpert-rs&h LLC

Beavercreek, OH · Department of Defense

Aecom Services, LLC

Arlington, VA · Department of Defense

M. A. Mortenson Company

Minneapolis, MN · Department of Defense

Gallup-woolpert Joint Venture LLC

Dayton, OH · Department of Defense

Cb Design & Huitt Zollars Joint Venture, LLC

Alexandria, VA · Department of Veterans Affairs

Smithgroup INC & Marmon Mok

San Antonio, TX · Department of Veterans Affairs

Geosyntec Consultants, Inc.

Boca Raton, FL · Department of Defense