Largest Engineering Firms in Greater D.C.

From the Washington Business Journal :

The List

Largest Engineering Firms in Greater D.C. Ranked

by Metro-area engineering billings in 2021

Locally Researched by: Carolyn M. Proctor, Washington Business Journal

SUBSCRIBER CONTENT:

Feb 25, 2022, 6:00am EST

Staff

Washington Business Journal

Source: The firms

Rank

Company

AECOM

3101 Wilson Blvd.

1

#900

Arlington, VA 22201

703-682-4900



WSP USA

1250 23rd St.

2 Washington, DC 20037

202-783-3092



Dewberry

8401 Arlington Blvd.

3 Fairfax, VA 22031

703-849-0100



Engineering Consulting Services

14030 Thunderbolt Pl.

4 #500

Chantilly, VA 20151

703-471-8400



Metro-area engineering Stock

billings in ticker 2021

Total billings in

2021

150000000

NYSE: ACM

7870000000

109500000

TSX: WSP

2600000000

92034300 NA 435062861

84254957 NA 297858609

Metroarea

engineers

Total engineers

Headquarters

131

12255 Dallas

370

9500

New York (U.S.)

127

640

Fairfax

62

222

Chantilly

Rank

Company

Metro-area engineering Stock

billings in ticker 2021

Total billings in

2021

Metroarea

engineers

Total engineers

Headquarters

M.C. Dean Inc.

1765 Greensboro Station Pl.

5 Tysons, VA 22102

58442348.5 NA 104991796.96 32

703-802-6231



NA

Tysons

A. Morton Thomas and

Associates Inc.

800 King Farm Blvd.

6 4th Fl.

37000000 NA 76400000 55

Rockville, MD 20850

301-881-2545



120

Rockville

ATCS PLC

13861 Sunrise Valley Dr.

7

#200

Herndon, VA 20171

36000000 NA 46000000 31

50

Herndon

703-430-7500



VHB

1775 Greensboro Station Pl.

8

#200

Vienna, VA 22102

35500000 NA 191812079 22

703-847-3071



456

Watertown, MA

Bowman Consulting

Group Ltd. (Bowman)

12355 Sunrise Valley Dr.

9 #520

32200000 BWMN 176000000 52

Reston, VA 20191

703-464-1000



181

Reston

Burns & McDonnell

2200 Wilson Blvd.

10

#500

Arlington, VA 22201

571-444-1600



30000000 NA NA

17

NA

Kansas City, MO

Salas O'Brien

6700-A Rockledge Dr.

11

#301

Bethesda, MD 20817

301-216-2871



23505747 NA NA

24

NA

Santa Ana, CA

Rank

Company

Metro-area engineering Stock

billings in ticker 2021

Total billings in

2021

GPI/GreenmanPedersen Inc.

530 Gaither Rd.

12 #100

Rockville, MD 20850

240-268-1820



22000000 NA 268000000

Kimley-Horn

11400 Commerce Park Dr.

12

#400

Reston, VA 20191

22000000 NA NA

703-674-1300

kimley-

christopher consultants

ltd.

9900 Main St.

14 #400

20152720 NA NA

Fairfax, VA 22031

703-273-6820



SK&A Structural

Engineers PLLC

12435 Park Potomac Ave.

15 #300

18775000 NA 18775000

Potomac, MD 20854

301-881-1441



Southland Industries

22340 Dresden St.

16

#177

Dulles, VA 20166

18704547 NA 65554120

703-834-5570



Terracon Consultants

Inc.

19955 Highland Vista Dr.

17 #170

17550775 NA 909000000

Ashburn, VA 20147

703-726-8030



Johnson, Mirmiran &

Thompson Inc.

601 New Jersey Ave. NW

18 #210

17500000 NA NA

Washington, DC 20001

202-289-8491



Metroarea

engineers

Total engineers

Headquarters

49

194

Babylon, NY

60

NA

Raleigh, NC

24

NA

Fairfax

41

41

Potomac

26

78

Garden Grove, CA

24

580

Olathe, KS

37

NA

Hunt Valley, MD

Rank

Company

Metro-area engineering Stock

billings in ticker 2021

Total billings in

2021

Soltesz

4300 Forbes Ave.

19

#230

Lanham, MD 20706

301-948-2750



15900000 NA 21500000

SETTY

3040 Williams Dr.

20

#600

Fairfax, VA 22031

703-691-2115



15885130.13 NA 22804697

Gordon

4501 Daly Dr.

21

#200

Chantilly, VA 20151

703-263-1900

gordon.

15487000 NA NA

GHT Limited

1110 N. Glebe Rd.

22

#300

Arlington, VA 22201

703-243-1200



15441000 NA 15441000

EYP Inc.

1000 Potomac St. NW

23 Washington, DC 20007

202-471-5000



12004093 NA 47286788

Arup

1120 Connecticut Ave. NW

24 Washington, DC 20036

11915057 NA NA 202-729-8220



SmithGroup

1700 New York Ave. NW

25

#100

Washington, DC 20006

11394770 NA 42132653

202-842-2100



WB

Engineers+Consultants

1101 Wootton Pkwy.

26 #1050

11300000 NA 36700000

Rockville, MD 20852

301-279-6300



Metroarea

engineers

Total engineers

Headquarters

14

21

Lanham

25

31

Faifax

30

NA

Chantilly

22

23

Arlington

9.0

19

Albany, NY

20

NA

London, UK

25

133

None

8.0

31

New York

Rank

Company

Ramboll

4245 N. Fairfax Dr.

27

#700

Arlington, VA 22203

703-516-2300



Timmons Group

1054 31st St. NW

28

#115

Washington, DC 20007

800-588-7341



Gorove/Slade Associates Inc.

3914 Centreville Rd.

29 #330

Chantilly, VA 20151

703-787-9595



Haley & Aldrich Inc.

1497 Chain Bridge Rd.

30

#304

McLean, VA 22101

703-336-6200



Metro-area engineering Stock

billings in ticker 2021

Total billings in

2021

Metroarea

engineers

Total engineers

Headquarters

11128890 NA NA

5.0

NA

Copenhagen

10100000 NA NA

13

175

Richmond

8057000 NA 8057000

20

20

Chantilly

7600000 NA 196200000 4.0

167

Boston, MA

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