Top federal contractors for Department of Defense, NAICS 541330, and PSC C219.

Tetra Tech Ec, Inc.

San Diego, CA · Department of Defense

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

Burns & Mcdonnell Engineering Company, Inc.

Kansas City, MO · Department of Defense

Jacobs Engineering Group Inc.

Arlington, VA · Department of Defense

Nv5 Geospatial, Inc.

Saint Petersburg, FL · Department of the Interior

Jacobs Government Services Company

Arlington, VA · Department of Defense

Cdm Smith Inc.

Carlsbad, CA · Department of Defense

Wsp USA Environment & Infrastructure Inc.

Blue Bell, PA · Department of Defense

Mantech Srs Technologies, Inc.

Herndon, VA · Department of Defense

Black & Veatch Special Projects Corp.

Overland Park, KS · Department of Defense

Hdr Environmental, Operations And Construction, Inc.

Englewood, CO · 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

Moffatt & Nichol - Aecom Jv

Clifton, NJ · Department of Defense

Gannett Fleming, Inc.

Camp Hill, PA · Department of Defense

Ce2 Kleinfelder Jv

Pleasanton, CA · Department of Defense

Exp Federal Inc.

Chicago, IL · Department of Defense

Kleinfelder INC

Rancho Cordova, CA · Department of Defense

Schneider Electric Buildings Americas, Inc.

Carrollton, TX · Department of Defense

Moffatt & Nichol

Long Beach, CA · Department of Defense

Arcadis U.s., Inc.

Highlands Ranch, CO · Department of Defense

Michael Baker International, Inc.

Moon Township, PA · Department of Defense

Black & Veatch-jacobs Jv

Leawood, KS · Department of Defense

Michael Baker International Holdco Corporation

Moon Township, PA · 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

Power Engineers INC

Hailey, ID · Department of Defense

Huitt-zollars, Inc.

Fort Worth, TX · Department of Defense

Merrick-rs & H Joint Venture LLP

Greenwood Village, CO · Department of Defense

Hdr Architecture, Inc.

Arlington, VA · Department of Defense

Kleinfelder-geomatrix

San Diego, CA · Department of Defense

Hdr, INC

Omaha, NE · Department of Veterans Affairs

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

Wsp USA Buildings INC

New York, NY · Department of Defense

Aecom Services, LLC

Arlington, VA · Department of Defense

Msmm Huitt-zollars A Joint Venture LLC

New Orleans, LA · Department of Defense

Black & Veatch - Gei Jv

Overland Park, KS · Department of Defense

Garver Cromwell, J.v. LP

North Little Rock, AR · Department of Defense

Cems-rs&h Jv

Jacksonville, FL · Department of Defense

Modjeski And Masters INC

Mechanicsburg, PA · Small Business Administration

Gannett Fleming-hdr Jv

Mechanicsburg, PA · Department of Defense

Ulteig Engineers INC

Fargo, ND · Department of Agriculture