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Top federal contractors in Washington

3,003 SAM.gov-registered federal contractors based in Washington. Ranked by lifetime federal award amount. Updated 2026-05-07.

Firms tracked
3,003
Top-50 lifetime $
$15.70B
Top NAICS
8

Top 50 federal contractors in Washington

# Firm City NAICS Lifetime $ Contracts
1 THE BOEING COMPANY TUKWILA 336413 $4.14B 0
2 BATTELLE MEMORIAL INSTITUTE RICHLAND — $1.69B 0
3 WASHINGTON ST DEPARTMENT OF TRANSPORTATION OLYMPIA 483212 $1.44B 0
4 SUPERINTENDENT OF PUBLIC INSTRUCTION OLYMPIA 541720 $1.15B 0
5 BLUE ORIGIN WASHINGTON, LLC KENT 541715 $753.60M 0
6 UNIVERSITY OF WASHINGTON SEATTLE 541990 $654.86M 0
7 HANFORD MISSION INTEGRATION SOLUTIONS, LLC RICHLAND 561210 $514.46M 0
8 MICROSOFT CORPORATION REDMOND 518210 $464.02M 0
9 KIEWIT INFRASTRUCTURE WEST CO. VANCOUVER 237990 $409.84M 0
10 KIEWIT-ALBERICI SIOP MACC AJV VANCOUVER 237990 $377.80M 0
11 AMAZON WEB SERVICES, INC. SEATTLE 518210 $359.33M 0
12 FRED HUTCHINSON CANCER CENTER SEATTLE 541715 $305.28M 0
13 MANSON CONSTRUCTION CO SEATTLE 237990 $264.17M 0
14 PHILIPS NORTH AMERICA LLC BOTHELL 513210 $181.33M 0
15 SKOOKUM EDUCATIONAL PROGRAMS BREMERTON 561210 $173.53M 0
16 PORT OF SEATTLE SEATTLE 488310 $158.06M 0
17 WASHINGTON STATE UNIVERSITY PULLMAN 541940 $153.87M 0
18 PATH SEATTLE 541990 $152.18M 0
19 HANFORD LABORATORY MANAGEMENT AND INTEGRATION LLC RICHLAND 562910 $141.92M 0
20 PACMED CLINICS SEATTLE 524114 $135.73M 0
21 SEATTLE CHILDREN'S HOSPITAL SEATTLE 541714 $134.48M 0
22 SHAPE CONSTRUCTION INC POULSBO 236220 $131.44M 0
23 CONFEDERATED TRIBES OF COLVILLE RESERVATION NESPELEM 921150 $127.81M 0
24 STATE OF WASHINGTON LACEY 541620 $126.68M 0
25 ABSHER CONSTRUCTION CO PUYALLUP 236220 $126.23M 0
26 METRO MACHINE CORP BREMERTON 336611 $106.25M 0
27 VETERANS AFFAIRS WASHINGTON STATE DEPARTMENT OLYMPIA 623220 $96.73M 0
28 WASHINGTON STATE DEPARTMENT OF NATURAL RESOURCES OLYMPIA 813312 $91.06M 0
29 HCPA-GARCO JV1 ALLYN 237120 $85.65M 0
30 AERO-FLITE, INC. SPOKANE 481212 $82.26M 0
31 SAFE BOATS INTERNATIONAL LLC BREMERTON 336612 $80.88M 0
32 CONFEDERATED TRIBES AND BANDS OF THE YAKAMA NATION TOPPENISH 921150 $77.81M 0
33 SCHOOL DIST #201 ISLAND COUNTY OAK HARBOR 531120 $60.51M 0
34 FISH & WILDLIFE, WASHINGTON STATE DEPARTMENT OF OLYMPIA 561612 $60.31M 0
35 INSITU, INC. BINGEN 611512 $57.19M 0
36 US OIL & REFINING CO TACOMA 324110 $50.81M 0
37 AEROJET ROCKETDYNE, INC. REDMOND 336415 $50.70M 0
38 ECHODYNE CORP KIRKLAND 334511 $50.37M 0
39 LUMMI INDIAN BUSINESS COUNCIL BELLINGHAM 813311 $50.01M 0
40 ALASKA AIRLINES, INC. SEATTLE 481111 $43.37M 0
41 SPOKANE TRIBE OF THE SPOKANE RESERVATION WELLPINIT 541620 $43.06M 0
42 ADVANCED TECHNOLOGY CONSTRUCTION CORPORATION TACOMA 236220 $39.23M 0
43 SCHENK PACKING CO., INC. STANWOOD 311611 $39.21M 0
44 TULALIP TRIBES OF WASHINGTON TULALIP 813311 $38.87M 0
45 SEALASKA CONSTRUCTORS LLC SEATTLE 236220 $37.95M 0
46 WESTERN MARINE CONSTRUCTION, INC. SEATTLE 237990 $37.94M 0
47 THE LIGHTHOUSE FOR THE BLIND, INCORPORATED SEATTLE — $37.57M 0
48 SKYTEK LLC VANCOUVER 238220 $37.34M 0
49 M.A. DEATLEY CONSTRUCTION, INC. CLARKSTON 237310 $36.85M 0
50 STRIDER CONSTRUCTION CO INC BELLINGHAM 237310 $36.48M 0

Top NAICS in Washington

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FAQ

How many federal contractors are based in Washington?

BesaGov tracks 3,003 SAM.gov-registered firms whose physical state of business is Washington. The list updates weekly as new entities register or update their SAM profile.

Who are the largest federal contractors in Washington?

By lifetime federal award amount, the largest Washington-based contractors include THE BOEING COMPANY, BATTELLE MEMORIAL INSTITUTE, WASHINGTON ST DEPARTMENT OF TRANSPORTATION. See the full top-50 list above.

Can I get notified when a new firm registers in Washington?

Yes. Sign up for the free weekly Washington digest above. We'll email you new SAM.gov registrations and award activity for the state — no login required.

Is this data official?

Firm registrations come from SAM.gov entity public extracts. Lifetime award totals come from USAspending.gov. Both are official U.S. government data sources, refreshed weekly.