BesaGov

Top federal contractors in Guam

210 SAM.gov-registered federal contractors based in Guam. Ranked by lifetime federal award amount. Updated 2026-06-23.

Firms tracked
210
Top-50 lifetime $
$1.74B
Top NAICS
8

Top 50 federal contractors in Guam

# Firm City NAICS Lifetime $ Contracts
1 Government Of Guam- Department Of Administration Tamuning 518210 $441.90M 18
2 Core Tech-Hdcc-Kajima Llc Tamuning 236220 $437.63M 19
3 Global Pacific Design Builders, Llc Tamuning 236116 $185.14M 30
4 Black Construction-Tutor Perini Jv Harmon 236220 $134.21M 18
5 Pacific Design Builders, Llc Tamuning 561210 $49.88M 7
6 Pacific Rim Constructors Inc Dededo 236220 $47.11M 7
7 Modern International Inc Barrigada 236220 $43.20M 73
8 Pacific Federal Management Inc Tumon 541620 $39.62M 57
9 Cabras Marine Corporation Piti 488330 $38.97M 84
10 Pacific Unlimited Inc Barrigada 311812 $33.63M 2,093
11 Fargo Pacific Inc. Tamuning 236220 $30.45M 91
12 Techni-Con, Inc Mangilao 236220 $29.07M 50
13 Black Construction/Mace International Joint Venture Harmon 236220 $22.41M 20
14 Infratech International, Llc Barrigada 236220 $21.63M 15
15 Serrano Construction And Development Corp. Barrigada 236220 $21.17M 114
16 A&R Pacific-Garney Federal Jv Ii Tamuning 237990 $19.04M 1
17 Teleguam Holdings, Llc Tamuning 517111 $17.14M 26
18 Reliable Builders Inc Tamuning 237130 $14.20M 86
19 Aleut Construction Llc Tamuning 236220 $11.46M 55
20 Ican Resources Inc Asan 722310 $10.32M 22
21 M-80 Systems, Inc. Asan 493190 $9.09M 14,169
22 Guahan Waste Control, Inc. Tamuning 562111 $8.13M 67
23 Hawaiian Rock Products Corporation Mangilao 237310 $7.65M 125
24 Proferre, Inc. Tamuning 561730 $6.90M 16
25 Landscape Management Systems, Inc. Tamuning 562111 $6.03M 90
26 Black Construction Corporation Harmon 236116 $5.24M 10
27 Stanley - Setiadi Joint Venture Maite 541330 $4.44M 8
28 Westcare Pacific Islands, Inc. Hagatna 621420 $4.03M 4
29 Docomo Pacific, Inc. Tamuning — $3.94M 199
30 Guam Behavioral Health & Wellness Center Tamuning 923120 $3.74M 2
31 Marianas Gas Corp Tamuning 562211 $3.43M 165
32 Ip&E Holdings, Llc Tamuning 96913 324110 $3.25M 82
33 Seafix Inc Tamuning 336611 $2.87M 9
34 Guam Industrial Services Inc Agat 562112 $2.72M 257
35 Tridon Corporation Tamuning 237990 $2.55M 13
36 Advance Management, Inc. Tamuning 561210 $2.14M 25
37 Setiadi Architects Llc Maite 541330 $2.11M 39
38 Bme & Sons Inc Mangilao 236220 $1.91M 6
39 Jm Robertson Inc Tamuning 541330 $1.82M 2
40 Galaide Professional Services Inc Hagatna 541990 $1.81M 37
41 Chugach Pacific Solutions Llc Dededo 481211 $1.62M 3
42 Guam Power Authority Mangilao 221112 $1.62M 4
43 Rsa - Guam Llc Sinajana 621492 $1.52M 14
44 Kwikspace Guam Inc Piti 531120 $1.49M 70
45 Mobil Oil Guam Inc. Agana 324110 $1.08M 48
46 M.C. Paulino, Inc Talofofo 562119 $1.05M 11
47 Global Food Services Llc Tamuning 722310 $905.0K 52
48 Medpharm Inc. Dededo 334516 $900.6K 14
49 Green Clover Services Inc Yigo 811310 $834.8K 6
50 Japan Bus Lines Llc Dededo 485113 $663.2K 15

Top NAICS in Guam

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FAQ

How many federal contractors are based in Guam?

BesaGov tracks 210 SAM.gov-registered firms whose physical state of business is Guam. The list updates weekly as new entities register or update their SAM profile.

Who are the largest federal contractors in Guam?

By lifetime federal award amount, the largest Guam-based contractors include GOVERNMENT OF GUAM- DEPARTMENT OF ADMINISTRATION, CORE TECH-HDCC-KAJIMA LLC, GLOBAL PACIFIC DESIGN BUILDERS, LLC. See the full top-50 list above.

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

Yes. Sign up for the free weekly Guam 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.