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Federal contractor profile

HAMILTON PACIFIC CHAMBERLAIN LLC

UEI EDXHGN4LK5T8CAGE 5YWU4

Active
Veteran Owned BusinessService Disabled Veteran Owned BusinessSmall Business

Overview

Legal name
HAMILTON PACIFIC CHAMBERLAIN LLC
Registered location
WALDORF, MD, USA
Primary NAICS
236220 — Commercial and Institutional Building Construction
Latest award activity
Sep 11, 2026
Read company summary

HAMILTON PACIFIC CHAMBERLAIN LLC is associated with UEI EDXHGN4LK5T8 and CAGE 5YWU4 in public federal records. AcornBids currently links 110 prime awards totaling $153.5M in obligations to this entity. Its largest recorded federal customer by obligations is Department of Veterans Affairs. Its recorded federal awards include work classified as Commercial and Institutional Building Construction; Plumbing, Heating, and Air-Conditioning Contractors; Other Heavy and Civil Engineering Construction. These categories describe the loaded award records, not a complete list of company capabilities. Its primary SAM.gov NAICS is 236220 (Commercial and Institutional Building Construction). Its public SAM.gov registration lists WALDORF, MD, USA.

At a glance

Lifetime prime obligations$153.5M
Prime awards110
Awards with future end dates28
Top-agency concentration83.8%

Prime contract obligations across loaded award records. Obligations are not revenue or contract ceilings. Summary updated Oct 10, 2026. Refresh pending; these totals may be out of date.

Business information

Public SAM.gov registration details.

Legal name
HAMILTON PACIFIC CHAMBERLAIN LLC
UEI
EDXHGN4LK5T8
CAGE
5YWU4
Registered address
14 IRONGATE DR, WALDORF, MD, 20602, USA
Registration status
Active
Primary NAICS
236220 — Commercial and Institutional Building Construction
SAM activation
Jun 14, 2026
Initial registration
Apr 13, 2010
Entity start
Jan 1, 2010
SAM updated
Jun 14, 2026
Registration expires
Jun 1, 2027
Fiscal year end
Dec 31
Place of incorporation
MD, USA

View SAM.gov source

Research brief

Source facts

  • Loaded prime-award records link 110 awards and $153,470,667 in reported obligations to this legal entity. Source
  • Recorded awards include Commercial and Institutional Building Construction (NAICS 236220); this classification is not proof of every company capability. Source
  • An example award describes: PROJECT: 652-20-124, REPLACE KITCHEN VENTILATION SYSTEM Source

Federal award analysis

Net transaction obligations by federal fiscal period.

Selected transaction obligations$54.2M
Prime contracts
$4.6MFY2019$254.4KFY2020$241.8KFY2021$0FY2022$0FY2023$11.6MFY2024$17.2MFY2025$20.3MFY2026

Reported transaction obligations by federal fiscal period; includes deobligations. Missing transactions are not estimated. Coverage: 110 of 110 selected awards. Select a period to explore its awards.

Explore funding & geography →View quarterly funding

Funding change

Dated, valued transaction obligations in equal-length adjacent periods; missing records are unknown. Default: last completed federal fiscal year. Percentage is unavailable when the prior period has no positive reported obligations.

MeasureReported value
Current periodOct 1, 2025 – Sep 30, 2026
Current obligations$20.3M
Prior periodOct 1, 2024 – Sep 30, 2025
Prior obligations$17.2M
Change$3.1M
Growth+17.8%

Where the work is performed

AKMEVTNHWAIDMTNDMNWIMINYMAORNVWYSDIAILINOHPANJCTRICAUTCONEMOKYWVVAMDDEAZNMKSARTNNCSCDCOKLAMSALGAHITXFL

State tile map; darker tiles have larger absolute net obligations. Outlined tiles indicate net deobligations. Unshaded tiles have no reported transactions in this selection. Other locations appear in the table.

Agencies
CategoryPeriod obligationsAwards
Department of Veterans Affairs$36.8M77
Department of the Interior$8.7M19
Department of Defense$6.8M4
Department of Agriculture$1.7M7
Department of State$103.1K1
Department of Transportation$99.2K1
Government Accountability Office$-12.5K1
Offices
CategoryPeriod obligationsAwards
245-NETWORK CONTRACT OFFICE 5 (36C245)$20.7M32
246-NETWORK CONTRACTING OFFICE 6 (36C246)$8.9M6
W074 ENDIST CHARLESTON$6.5M2
IMR ARIZONA(12400)$2.9M1
257-NETWORK CONTRACT OFFICE 17 (36C257)$2.7M4
NATIONAL CEMETERY ADMIN (36C786)$1.9M30
248-NETWORK CONTRACT OFFICE 8 (36C248)$1.7M3
NORTHEAST REGIONAL CONTRACTING$1.5M5
USDA ARS AFM APD$1.2M2
WASHINGTON CONTRACTING OFFICE$1.2M4
MWR NEKOTA(63000)$908.2K1
UPPER COLORADO REGIONAL OFFICE$907.2K1
OFFICE OF CONSTRUCTION & FACILITIES MGMT (36C10F)$637.4K1
NCR REGIONAL CONTRACTING(30000)$535.3K2
DCSO RICHMOND DIVISION #1$340.9K2
USDA-FS, CSA EAST 11$339.6K1
LOWER COLORADO REGIONAL OFFICE$234.6K1
OFC OF ACQUSITION GRANTS-NATIONAL$193.1K1
PCAC (36C776)$191.0K1
IBC ACQ SVCS DIRECTORATE (00004)$170.5K1
USDA, OCP-POD-ACQ-MGMT-BRANCH-FTC$108.8K4
ACQUISITIONS - AQM MOMENTUM$103.1K1
6973GH FRANCHISE ACQUISITION SVCS$99.2K1
FWS, GAOA$88.0K1
FWS, HURRICANE & RECOVERY$82.9K1
Naics
CategoryPeriod obligationsAwards
236220 — Commercial and Institutional Building Construction$42.0M89
238220 — Plumbing, Heating, and Air-Conditioning Contractors$9.6M9
238390 — Other Building Finishing Contractors$1.8M1
561210 — Facilities Support Services$346.2K8
237990 — Other Heavy and Civil Engineering Construction$291.4K1
238350 — Finish Carpentry Contractors$99.2K1
238990 — All Other Specialty Trade Contractors$15.7K1
Psc
CategoryPeriod obligationsAwards
Y1DA — CONSTRUCTION OF HOSPITALS AND INFIRMARIES$21.3M18
Y1JZ — CONSTRUCTION OF MISCELLANEOUS BUILDINGS$6.5M3
Y1AA — CONSTRUCTION OF OFFICE BUILDINGS$3.7M18
Z2DA — REPAIR OR ALTERATION OF HOSPITALS AND INFIRMARIES$3.4M4
Z2JA — REPAIR OR ALTERATION OF MUSEUMS AND EXHIBITION BUILDINGS$2.9M1
Z2LZ — REPAIR OR ALTERATION OF PARKING FACILITIES$2.7M1
Y1DZ — CONSTRUCTION OF OTHER HOSPITAL BUILDINGS$1.9M3
Z1DA — MAINTENANCE OF HOSPITALS AND INFIRMARIES$1.1M6
N041 — Installation of Equipment: Refrigeration, Air Conditioning, and Air Circulating Equipment$938.4K1
Z2AZ — REPAIR OR ALTERATION OF OTHER ADMINISTRATIVE FACILITIES AND SERVICE BUILDINGS$923.3K2
Z2KA — REPAIR OR ALTERATION OF DAMS$907.2K1
Y1DB — CONSTRUCTION OF LABORATORIES AND CLINICS$892.8K1
N045 — Installation of Equipment: Plumbing, Heating, and Waste Disposal Equipment$812.2K1
Z2NB — REPAIR OR ALTERATION OF HEATING AND COOLING PLANTS$687.3K3
Y1PC — CONSTRUCTION OF UNIMPROVED REAL PROPERTY (LAND)$637.4K1
J079 — Maintenance, Repair and Rebuilding of Equipment: Cleaning Equipment and Supplies$612.1K1
Z2NE — REPAIR OR ALTERATION OF WATER SUPPLY FACILITIES$576.6K1
Z2AA — REPAIR OR ALTERATION OF OFFICE BUILDINGS$527.5K3
Y1PZ — CONSTRUCTION OF OTHER NON-BUILDING FACILITIES$509.7K7
Z2DZ — REPAIR OR ALTERATION OF OTHER HOSPITAL BUILDINGS$490.3K1
J045 — Maintenance, Repair and Rebuilding of Equipment: Plumbing, Heating, and Waste Disposal Equipment$343.7K6
Z1AA — MAINTENANCE OF OFFICE BUILDINGS$296.3K2
Z1PZ — MAINTENANCE OF OTHER NON-BUILDING FACILITIES$291.4K1
Z1DB — MAINTENANCE OF LABORATORIES AND CLINICS$286.0K1
Y1NE — CONSTRUCTION OF WATER SUPPLY FACILITIES$278.6K3
Vehicles
CategoryPeriod obligationsAwards
Unclassified$20.0M31
36C24523D0044$9.6M5
140F0822D0052$8.1M19
W912HP25D5013$6.5M2
36C24518D0007$5.8M7
36C25725D0054$1.8M1
36C78625D0045$528.5K5
36C78625D0032$504.5K7
36C24518D0146$342.0K6
36C78625D0023$279.1K4
36C24526A0018$160.2K5
36C78625D0062$137.2K2
12314422D0010$108.8K4
36C24523A0019$70.0K1
36C78619D0162$67.3K3
36C78619D0174$47.7K2
36C78619D0155$29.6K3
36C78626D0018$27.6K2
05GA0A23D0007$-12.5K1
States
CategoryPeriod obligationsAwards
MD$10.2M23
DC$9.5M22
NC$8.8M7
SC$6.6M4
WV$4.8M5
AZ$3.2M3
TX$3.0M7
VA$2.5M13
FL$1.7M4
PA$1.7M5
CO$907.2K1
SD$291.4K1
NE$258.0K1
OR$191.0K1
GA$137.2K2
KS$114.5K1
IN$99.2K1
WI$93.2K1
IA$62.4K1
NM$28.4K1
WY$24.8K1
CA$5.6K3
LA$4.8K1
OK$01
Set Asides
CategoryPeriod obligationsAwards
SERVICE DISABLED VETERAN OWNED SMALL BUSINESS SET-ASIDE$34.7M48
Unclassified$15.7M46
SMALL BUSINESS SET ASIDE - TOTAL$2.0M8
NO SET ASIDE USED.$1.1M6
SDVOSB SOLE SOURCE$637.4K1
VETERAN SET ASIDE$01

Recent federal awards

Prime contract awards. Select an award to review its history and source evidence.

Award / descriptionAwarding agencyObligationsStart dateEnd date
36C24624C0053PROJECT: 652-20-124, REPLACE KITCHEN VENTILATION SYSTEMDepartment of Veterans Affairs$612.1KJul 12, 2024Sep 11, 2026
1232SA26P0365DUCT REPLACEMENT AND CLEANINGDepartment of Agriculture$286.0KJun 15, 2026Nov 30, 2026
36C25726C0008PROJECT 671-22-179 INSTALL DEVICES FOR LEGIONELLA CONTROL AND PREVENTIONDepartment of Veterans Affairs$3.2MNov 3, 2025Jan 14, 2027
36C78626N0467EMERGENCY HVAC REPLACEMENTDepartment of Veterans Affairs$41.7KSep 7, 2026Oct 30, 2026
140P2126F0037REPAIR SEWER LINES FDR MONUMENTDepartment of the Interior$213.6KMar 3, 2026Oct 15, 2026
140G0126F0296JWP LABORATORY IMPROVEMENTSDepartment of the Interior$193.1KAug 27, 2026Feb 27, 2027
36C24524C0116REMOVAL, DISPOSAL REPLACEMENT OF EXISTING UNDERGROUND DIESEL FUEL STORAGE TANKS AT THE WASHINGTON DC VA MEDICAL CENTERDepartment of Veterans Affairs$1.7MOct 7, 2024Nov 13, 2026
12445126F0013FY26-002440 APPROVED 02262026 FAR 52.222 90, ADDRESSING DEI DISCRIMINATION BY FEDERAL CONTRACTORS EMERGENCY SRSHQ CHILLER REPLACEMENT. THE 165 TON CHILLER FOR THE 41,647 SQ. FT…Department of Agriculture$339.6KApr 27, 2026Sep 30, 2026
140R4026F0054CONCRETE WORK AND GUARDRAIL REPAIRS TO CHAPMAN DAMDepartment of the Interior$907.2KSep 4, 2026Mar 4, 2027
36C24624C0061CORRECT ATRIUM FIRE PROTECTIONDepartment of Veterans Affairs$6.1MAug 15, 2024Dec 31, 2026
Explore, filter and export all awards →SubcontractsGrants & subgrants

Upcoming positioning windows

Modeled recompete windows are estimates, not announced solicitations or guarantees.

MECH BPA TASK ORDER
Department of Veterans Affairs$41.7K obligationsEnds Apr 28, 202770% recompete estimate
MECH BPA TASK ORDER
Department of Veterans Affairs$9.6K obligationsEnds Jul 8, 202765% recompete estimate
INDUCTION RISERS
Department of Veterans Affairs$89.2K obligationsEnds Jul 12, 202770% recompete estimate

Registration, certifications & contacts

Registration evidenceDate
SAM updatedJun 14, 2026
Source loadedOct 17, 2026
Initial registrationApr 13, 2010
Entity startJan 1, 2010

Registration classifications: Veteran Owned Business, Service Disabled Veteran Owned Business, Small Business. These are separate from the reported certificates above.

IndustryReported size status
221310 — Water Supply and Irrigation SystemsNot reported
236220 — Commercial and Institutional Building ConstructionNot reported
237110 — Water and Sewer Line and Related Structures ConstructionNot reported
237120 — Oil and Gas Pipeline and Related Structures ConstructionNot reported
237130 — Power and Communication Line and Related Structures ConstructionNot reported
237310 — Highway, Street, and Bridge ConstructionNot reported
238110 — Poured Concrete Foundation and Structure ContractorsNot reported
238120 — Structural Steel and Precast Concrete ContractorsNot reported
238140 — Masonry ContractorsNot reported
238160 — Roofing ContractorsNot reported
238190 — Other Foundation, Structure, and Building Exterior ContractorsNot reported
238210 — Electrical Contractors and Other Wiring Installation ContractorsNot reported
238220 — Plumbing, Heating, and Air-Conditioning ContractorsNot reported
238390 — Other Building Finishing ContractorsNot reported
238910 — Site Preparation ContractorsNot reported
238990 — All Other Specialty Trade ContractorsNot reported
561210 — Facilities Support ServicesNot reported
561621 — Security Systems Services (except Locksmiths)Not reported
561730 — Landscaping ServicesNot reported
ContactRolePublished contact methodsEvidenceSource date
PAUL H HAMILTONGovernment businessContact method not publishedSAM registrationNot available
PAUL H HAMILTONAlternate government businessContact method not publishedSAM registrationNot available
GRIFFIN F HAMILTONElectronic businessContact method not publishedSAM registrationNot available
PAUL HAMILTON H HAMILTONAlternate electronic businessContact method not publishedSAM registrationNot available
Registered industries
  • 221310 — Water Supply and Irrigation Systems
  • 236220 — Commercial and Institutional Building Construction
  • 237110 — Water and Sewer Line and Related Structures Construction
  • 237120 — Oil and Gas Pipeline and Related Structures Construction
  • 237130 — Power and Communication Line and Related Structures Construction
  • 237310 — Highway, Street, and Bridge Construction
  • 238110 — Poured Concrete Foundation and Structure Contractors
  • 238120 — Structural Steel and Precast Concrete Contractors
  • 238140 — Masonry Contractors
  • 238160 — Roofing Contractors
  • 238190 — Other Foundation, Structure, and Building Exterior Contractors
  • 238210 — Electrical Contractors and Other Wiring Installation Contractors
  • 238220 — Plumbing, Heating, and Air-Conditioning Contractors
  • 238390 — Other Building Finishing Contractors
  • 238910 — Site Preparation Contractors
  • 238990 — All Other Specialty Trade Contractors
  • 561210 — Facilities Support Services
  • 561621 — Security Systems Services (except Locksmiths)
  • 561730 — Landscaping Services

Registration classifications and published certificates do not by themselves establish eligibility for a particular solicitation. View SAM source

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Data coverage and methodology

Sources: SAM.gov registration, USAspending awards and transactions, and linked supporting records. Prime contract obligations, IDV ceilings and assistance amounts are kept separate. Missing records are not zero activity. Company claims are labeled separately. Recompete signals are rule-based scores out of 100. Positioning windows are AcornBids estimates.

Disclosed relationships only. Missing records do not establish that a contractor has no partners. Ambiguous parent award identifiers are excluded.

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