GENERAL AND MECHANICAL SERVICES, LLC (MD)
Registration and award facts
SAM.gov registration as of
- Net obligations since FY2008
- $32.19M
- $32,187,191under this UEI
- FY2026 obligations
- $952.75K†
- $952,749Provisional
- Awards and orders
- 175
- with positive net obligations8 IDV vehicles held
- Latest action
- Sep 30, 2026
- SAM.gov registration
- Active
- Registration expiration date Mar 22, 2027
Registration
- Doing business as
- GENERAL & MECHANICAL SERVICES LLC
- Entity structure
- Corporate Entity (Not Tax Exempt)
- Business start date
- Sep 2, 1998 (28 years)
- Location
- Annapolis, MD
- State of incorporation
- Maryland
- Website
- gms-hvac.com
† FY2026 obligations (provisional; DoD awards signed after Jul 24, 2026 are not yet public).
Contract actions that the Department of Defense both funds and awards are withheld at the source for 90 days, so DoD awards signed after Jul 24, 2026 are not yet public.
Source: SAM.gov entity registration and FPDS contract actions recorded under UEI J95SA7JHC9W1. GovChime does not check exclusions.
Performance
Net obligations recorded under this UEI since FY2008. Top lists show the largest five by share of this vendor's net obligations; the shares do not sum to 100%.
Net obligations by fiscal year of action
- FY2026: $952,749 (provisional)
- FY2025: $97,219
- FY2024: $1,099,231
- FY2023: $2,010,478
- FY2022: $3,766,831
- FY2021: $5,328,604
- FY2020: $4,775,016
- FY2019: $3,661,787
Show all 19 yearsEarlier years (FY2008–FY2018)
- FY2018: $3,885,982
- FY2017: $1,143,242
- FY2016: $163,629
- FY2015: $452,258
- FY2014: $1,968,228
- FY2013: $165,162
- FY2012: $252,792
- FY2011: $67,208
- FY2010: $751,647
- FY2009: $1,640,466
- FY2008: $4,661
Total across 19 fiscal years: $32,187,191
Top awarding agencies
- Department of Defense$7,548,842, 23.5%
- Department of Health and Human Services$5,115,434, 15.9%
- General Services Administration$4,685,983, 14.6%
- Department of the Treasury$2,903,434, 9.0%
- Department of the Interior$2,815,519, 8.7%
Top awarding sub-agencies
- National Institutes of Health$4,772,066, 14.8%
- Public Buildings Service$4,685,983, 14.6%
- Defense Media Activity$3,998,480, 12.4%
- Department of Veterans Affairs$2,347,108, 7.3%
- Departmental Offices$2,036,144, 6.3%
Top NAICS by obligations
- 238210Electrical contractors and other wiring installation contractors$14,156,696, 44.0%
- 238220Plumbing, heating, and air-conditioning contractors$9,059,264, 28.1%
- 561210Facilities support services$8,101,605, 25.2%
- 236220Commercial and institutional building construction$258,725, 0.8%
Top product and service codes by obligations
- Z1AAMaintenance of office buildings$4,395,650, 13.7%
- N041Install of refrigeration - ac eq$4,120,343, 12.8%
- Z2DARepair or alteration of hospitals and infirmaries$3,716,040, 11.5%
- J041Maint/repair/rebuild of equipment- refrigeration, air conditioning, and air circulating equipment$2,762,644, 8.6%
- J045Maint/repair/rebuild of equipment- plumbing, heating, and waste disposal equipment$2,754,593, 8.6%
Capabilities
NAICS codes
- 238220Plumbing, Heating, and Air-Conditioning Contractors(primary)
- 221330Steam and Air-Conditioning Supply
- 236210Industrial Building Construction
- 236220Commercial and Institutional Building Construction
- 237110Water and Sewer Line and Related Structures Construction
- 238210Electrical Contractors and Other Wiring Installation Contractors
Show all 13 NAICS codes7 more NAICS codes
- 238290Other Building Equipment Contractors
- 332710Machine Shops
- 335312Motor and Generator Manufacturing
- 541513Computer Facilities Management Services
- 541690Other Scientific and Technical Consulting Services
- 561210Facilities Support Services
- 811310Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance
SBA certifications
No certification in the SBA profile data.
Product and service codes (PSC)
- J041Maintenance, Repair & Rebuilding
- J045Maintenance, Repair & Rebuilding
- K041Modification of Equipment
- N041Installation of Equipment
- N045Installation of Equipment
- N059Installation of Equipment
- W041Lease or Rental of Equipment
Contracts
Latest awards and orders
- 75N99026F00001BPA callunder a blanket purchase agreement (BPA)Department of Health and Human ServicesNational Institutes of HealthLatest action
- 140D0420F0715Delivery orderunder a federal supply schedule (FSS)Department of the InteriorDepartmental OfficesLatest action
- 75N99026F00005BPA callunder a blanket purchase agreement (BPA)Department of Health and Human ServicesNational Institutes of HealthLatest action
- 75N99026F00004BPA callunder a blanket purchase agreement (BPA)Department of Health and Human ServicesNational Institutes of HealthLatest action
- 75N99026F00003BPA callunder a blanket purchase agreement (BPA)Department of Health and Human ServicesNational Institutes of HealthLatest action
- 47QSHA22D0002Federal supply schedule (FSS)VehicleGeneral Services AdministrationFederal Acquisition ServiceLatest action
- 140T0121F0040Delivery orderunder a federal supply schedule (FSS)Department of the InteriorOffice of the Inspector GeneralLatest action
- 1331L520F13OS0596Delivery orderunder a federal supply schedule (FSS)Department of CommerceOffice of the SecretaryLatest action
- 75N99026F00002BPA callunder a blanket purchase agreement (BPA)Department of Health and Human ServicesNational Institutes of HealthLatest action
- W91CRB26FA217Delivery orderunder a federal supply schedule (FSS)Department of DefenseDepartment of the ArmyLatest action
Contact Info
As of . Source: SAM.gov Points of Contact.
SAM.gov registration for GENERAL AND MECHANICAL SERVICES, LLC lists a physical address and a separate mailing address, along with 5 verified points of contact. Past Performance contacts are the recommended outreach channel for due-diligence references; Government Business contacts handle procurement-facing correspondence.
Source: SAM.gov entity registration. Contacts displaying numeric or placeholder names have been filtered (defense-in-depth).
Physical Address
1007 SKIDMORE DR
ANNAPOLIS, MD, 21409
USA
Mailing Address
1007 SKIDMORE DRIVE
ANNAPOLIS, MD, 21409
USA
Government Business Contact
GREG LILLY
1007 SKIDMORE DRIVE
ANNAPOLIS, MD, 21409
USA
Electronic Business Contact
ADELE OLIVER
1007 SKIDMORE DRIVE
ANNAPOLIS, MD, 21409
USA
Past Performance Contact
ADELE OLIVER
1007 SKIDMORE DRIVE
ANNAPOLIS, MD, 21409
USA
Government Business Alternate Contact
GREG LILLY
PRESIDENT
1007 SKIDMORE DRIVE
ANNAPOLIS, MD, 21409
USA
Electronic Business Alternate Contact
ADELE OLIVER
1007 SKIDMORE DRIVE
ANNAPOLIS, MD, 21409
USA
Additional Details
As of . Source: SAM.gov Entity Registration.
GENERAL AND MECHANICAL SERVICES, LLC has no active federal suspension or debarment on record in SAM.gov. Current SAM.gov registration expires March 22, 2027.
Source: SAM.gov entity registration (FAR responses, registration status). Always verify active exclusions against the authoritative record on SAM.gov before contract award.
Compliance & Risk Assessment
Source: SAM.gov FAR responsesSuspension/Debarment Status
SAM.gov registration reports no active exclusion
Public Display
Entity information is publicly displayed
Disaster Relief Registry
Registered for disaster relief contracting — DISTRICT OF COLUMBIA~MARYLAND~VIRGINIA
Bonding Information
No bonding information provided
EDI
Not declared in SAM.gov
Business Structure
Source: SAM.govRegistration Details
Source: SAM.govInitial Registration
Last Update
Registration Activation
Fiscal Year End
Country of Incorporation
Congressional District
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