BesaGov

Top federal contractors in New Hampshire

613 SAM.gov-registered federal contractors based in New Hampshire. Ranked by lifetime federal award amount. Updated 2026-08-08.

Firms tracked
613
Top-50 lifetime $
$5.86B
Top NAICS
8

Top 50 federal contractors in New Hampshire

# Firm City NAICS Lifetime $ Contracts
1 New Hampshire Department Of Health & Human Services Concord 923120 $2.45B 5
2 Bae Systems Information And Electronic Systems Integration Inc. Nashua 541330 $696.80M 1,102
3 Southern New Hampshire University Manchester 611310 $409.58M 3
4 Sig Sauer Inc. Newington 332994 $343.50M 633
5 Bae Systems Information & Electronic Systems Integration Inc Hudson 336414 $325.17M 10
6 Department Of Education New Hampshire Concord 541720 $205.66M 5
7 Trustees Of Dartmouth College Hanover 541715 $145.81M 96
8 Environmental Services, New Hampshire Department Of Concord 921190 $122.88M 7
9 Red River Technology Llc Claremont 334111 $110.53M 3,625
10 Iron Mountain Information Management Llc Portsmouth 493110 $107.70M 664
11 University System Of New Hampshire Durham 813920 $82.32M 65
12 Envision Technology, Llc Manchester 333310 $74.99M 10
13 Lyme Computer Systems, Inc. Lebanon — $69.23M 2,756
14 Bae Systems Information & Electronic Systems Integration Inc Merrimack 541715 $65.33M 36
15 New Hampshire Department Of Safety Concord 922190 $43.93M 22
16 L3 Technologies, Inc. Londonderry 811210 $43.39M 600
17 Expansia Group Llc Nashua 541715 $40.70M 14
18 Sealite USA, Llc Tilton 333924 $40.46M 21
19 It Federal Sales Llc Windham 513210 $38.03M 174
20 High Liner Foods (USA), Incorporated Portsmouth 311710 $34.45M 6
21 Solid State Scientific Corporation Hollis 518210 $30.23M 32
22 Dartmouth-Hitchcock Clinic Lebanon 541715 $27.08M 7
23 Frontgrade Technologies Inc. Exeter 334419 $24.00M 617
24 Skillsoft (Us) Llc Nashua 611430 $22.47M 304
25 Connected Alliances Llc Laconia 541715 $22.05M 80
26 Avon Protection Ceradyne Llc Salem 315990 $21.74M 10
27 Monument Construction Services, Llc Hudson 236220 $18.00M 51
28 Wilcox Industries Corp. Newington 541715 $17.61M 61
29 Clear Align Llc Nashua — $16.62M 22
30 Prenax Inc Concord — $15.31M 51
31 Critical Communications, Controls And Instruments, Llc Hampton 336413 $13.34M 18
32 Crosstown Courier Service Inc Littleton 492110 $13.27M 176
33 Teledyne Instruments Inc Portsmouth 334417 $13.11M 382
34 Safran Defense & Space, Inc. Bedford 334511 $11.82M 37
35 Argentech Solutions, Inc. Newmarket 541990 $11.17M 16
36 Medicus Healthcare Solutions, Llc Windham 621111 $10.46M 22
37 Galvion Technologies Llc Portsmouth 339999 $10.42M 3
38 Luxium Solutions, Llc Milford 541715 $10.40M 11
39 Bryant Healthcare Consultants, Inc. Hampton Falls 541611 $10.19M 2
40 Merchants Automotive Group, Llc Hooksett 811111 $9.88M 173
41 Port City Air Portsmouth 324110 $9.64M 596
42 Novocure Inc Portsmouth 334510 $9.40M 279
43 Cusa Consulting Llc Hampton 238210 $9.37M 100
44 Galvion Ltd Portsmouth 315990 $9.33M 14
45 Dci Inc Lisbon 337122 $9.28M 734
46 Delaware Storage And Pipeline Company Nashua 493190 $9.02M 3
47 Swan Contracting Llc Peterborough 236220 $8.27M 89
48 Ipt-Exeter, Llc Salem 541511 $6.76M 5
49 Mpb Corporation Lebanon 332991 $6.02M 380
50 Nuclear Ship Support Services Llc Seabrook 562910 $6.01M 1

Top NAICS in New Hampshire

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FAQ

How many federal contractors are based in New Hampshire?

BesaGov tracks 613 SAM.gov-registered firms whose physical state of business is New Hampshire. The list updates weekly as new entities register or update their SAM profile.

Who are the largest federal contractors in New Hampshire?

By lifetime federal award amount, the largest New Hampshire-based contractors include NEW HAMPSHIRE DEPARTMENT OF HEALTH & HUMAN SERVICES, BAE SYSTEMS INFORMATION AND ELECTRONIC SYSTEMS INTEGRATION INC., SOUTHERN NEW HAMPSHIRE UNIVERSITY. See the full top-50 list above.

Can I get notified when a new firm registers in New Hampshire?

Yes. Sign up for the free weekly New Hampshire 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.