Vendor, Oxnard, CA
Sergents Mechanical Systems Inc.
UEI VNPDQR925EH3, CAGE 9W139
65 awards and $89,469,065 obligated between January 4, 2024 and October 13, 2026, 81% under full and open competition, against 9.6 offers on average where reported. 54 of the awards trace back to a SAM.gov solicitation on this site.
Sells to
Awarding agencies by dollars.
| Department of Veterans Affairs | $61,595,815 |
| Federal Aviation Administration | $16,234,710 |
| U.S. Coast Guard | $7,001,983 |
| Department of the Navy | $4,635,558 |
| National Aeronautics and Space Administration | $1,000 |
| U.S. Fish and Wildlife Service | $0 |
| Public Buildings Service | $0 |
Industries
NAICS on the awards, by dollars.
| Commercial and Institutional Building ConstructionNAICS 236220 | $74,126,744 |
| Plumbing, Heating, and Air-Conditioning ContractorsNAICS 238220 | $10,543,092 |
| Roofing ContractorsNAICS 238160 | $4,794,227 |
| Other Building Equipment ContractorsNAICS 238290 | $635,176 |
| All Other Specialty Trade ContractorsNAICS 238990 | -$630,174 |
How it wins
Awards by competition, set-aside and type.
| Full and Open Competition After Exclusion of Sources | 48 |
| Full and Open Competition | 5 |
| Not Competed Under SAP | 2 |
| Not Available for Competition | 2 |
| Service Disabled Veteran Owned Small Business SET-ASIDE | 22 |
| Small Business Set Aside - Total | 5 |
| Sdvosb Sole Source | 3 |
| Hubzone SET-ASIDE | 3 |
| Delivery Order | 28 |
| Definitive Contract | 19 |
Hear when Sergents Mechanical Systems Inc. wins an award and when a contract it holds is about to end.Follow it
Contracts ending soon
Contracts Sergents Mechanical Systems Inc. holds whose performance ends in the next 19 months, by published end date. Each one is a recompete to prepare for.
- Ending
- 11
- Obligated so far
- $39,670,426
- Soonest
- November 1, 2026
The 11 contracts, the office behind each one and the dates are in the workspace. See them
Competes with
Vendors selling commercial and institutional building construction to Department of Veterans Affairs, by dollars.
| Sawtooth Construction JV II LLCChicago, IL | $258,581,168 |
| Richard Group LLCChicago, IL | $234,851,709 |
| Hurley Jv, LLPColorado Springs, CO | $228,102,665 |
| Hsgs-Ameresco, LLCSummerville, SC | $202,439,821 |
| Birmingham Industrial Construction, LLCColumbiana, AL | $189,329,279 |
| Esa South, Inc.Cantonment, FL | $188,378,098 |
Solicitations it won
SAM.gov opportunities whose award USAspending attributes to this vendor.
- Prescott Replace Steam Boilers (Project No. 649-22-104)
Department of Veterans Affairs, 262-Network Contract Office 22
SolicitationSDVOSBNAICS 236220Prescott, AZ36C26226B0017Awarded to Sergents Mechanical Systems Inc.
Posted Aug 57 publications - 502-26-706 (CON) EHRM JSA-FDS Support Upgrades
Department of Veterans Affairs, 256-Network Contract Office 16
Award noticeSDVOSBNAICS 236220Pineville, LA36C25626R0061Awarded to Sergents Mechanical Systems Inc. for $488,627
Posted Jun 4 - 502-23-392 Replace Roof on Emergency Generator Building 39
Department of Veterans Affairs, 256-Network Contract Office 16
SolicitationSDVOSBNAICS 236220Pineville, LA36C25626R0020Awarded to Sergents Mechanical Systems Inc.
Posted Mar 96 publications - Project #502-17-102 Replace Roof & HVAC Building 9 (Con)
Department of Veterans Affairs, 256-Network Contract Office 16
SolicitationSDVOSBNAICS 236220Pineville, LA36C25625R0001Awarded to Sergents Mechanical Systems Inc. for $17,886,622
Posted Jun 3, 202511 publications - Correct PAD-B520 Mechanical
Department of Veterans Affairs, 261-Network Contract Office 21
Award noticeVOSB sole sourceNAICS 236220Palo Alto, CA36C261-25-AP-2660Awarded to Sergents Mechanical Systems Inc. for $1,156,107
Posted Apr 30, 20252 publications - 570-22-219 Consolidate Sterile Supply Rooms
Department of Veterans Affairs, 261-Network Contract Office 21
Award noticeNAICS 236220Fresno, CA36C26125R0012Awarded to Sergents Mechanical Systems Inc. for $1,974,074
Posted Apr 22, 202510 publications - Project #502-21-105 Replace Roof on BLDG 2 - Construction
Department of Veterans Affairs, 256-Network Contract Office 16
SolicitationVOSBNAICS 238160Pineville, LA36C25623R0089Awarded to Sergents Mechanical Systems Inc. for $4,386,727
Posted May 2, 20243 publications - Repairs for 3 Mechanical Rooms
Department of Veterans Affairs, 261-Network Contract Office 21
SolicitationSDVOSBNAICS 236220North Las Vegas, NV36C26124R0008Awarded to Sergents Mechanical Systems Inc.
Posted Jan 5, 2024
Awards
Every award in the window, by dollars obligated.
| Contract | Awarding office | Described as | Obligated |
|---|---|---|---|
| 36C26226C0255Definitive Contract, August 5, 2026, Full and Open Competition After Exclusion of Sources, 5 offersSolicitation | 262-Network Contract Office 22Department of Veterans Affairs | Prescott Replace Steam BoilersNAICS 236220, PSC Z2DA | $22,886,734 |
| 36C25625C0032Definitive Contract, June 3, 2025, Full and Open Competition After Exclusion of Sources, 5 offersSolicitation | 256-Network Contract Office 16Department of Veterans Affairs | Project #502-17-102 (Construction) Replace Roof and HVAC of BLDG 9NAICS 236220, PSC Z1DZ | $17,886,622 |
| 697DCK26C00215Definitive Contract, September 22, 2026, Not Competed Under SAP, 1 offers | 697DCK Regional Acquisitions SVCSFederal Aviation Administration | Zab Artcc Chiller 100, 200, 300, and 400 Demo and Replacement.NAICS 238220, PSC Z2BC | $5,800,734 |
| 36C25624C0037Definitive Contract, May 2, 2024, Full and Open Competition After Exclusion of Sources, 2 offersSolicitation | 256-Network Contract Office 16Department of Veterans Affairs | Project 502-21-105 (Construction) Replace Roof of Building 2NAICS 238160, PSC Z1DA | $4,794,227 |
| N6945024F0906Delivery Order, September 28, 2024, Full and Open Competition After Exclusion of Sources, 4 offers | Navfacsyscom SoutheastDepartment of the Navy | B101 Reroof and Paint Test Cells and 101KNAICS 236220, PSC Z2AA | $4,630,558 |
| 697DCK25C00075Definitive Contract, January 28, 2025, Full and Open Competition After Exclusion of Sources, 1 offers | 697DCK Regional Acquisitions SVCSFederal Aviation Administration | Refurbishment of Control Wing Attic Air Handlers Units, Albuquerque, New Mexico Zab ArtccNAICS 238220, PSC Y1BC | $4,430,466 |
| 70Z08826FOAKL0013Delivery Order, September 4, 2026, Full and Open Competition After Exclusion of Sources, 3 offers | Ceu OaklandU.S. Coast Guard | Repair HVAC Hangar at Base Astoria Warrenton, orNAICS 236220, PSC Z2EB | $4,388,801 |
| 697DCK25C00282Definitive Contract, September 19, 2025, Not Available for Competition, 1 offers | 697DCK Regional Acquisitions SVCSFederal Aviation Administration | Replace Chillers 100, 200, and 300 at Houston Artcc.NAICS 236220, PSC Z2BC | $4,263,236 |
| 36C26125C0029Definitive Contract, April 17, 2025, Full and Open Competition After Exclusion of Sources, 1 offersSolicitation | 261-Network Contract Office 21Department of Veterans Affairs | Construction of Consolidate Sterile Supply RoomsNAICS 236220, PSC Z2DA | $2,300,108 |
| 36C26226N0762Delivery Order, September 8, 2026, Full and Open Competition After Exclusion of Sources, 3 offers | 262-Network Contract Office 22Department of Veterans Affairs | Upgrade Entrance Signage and LandscapingNAICS 236220, PSC Z2DA | $2,257,949 |
| 36C26121N0928Delivery Order, November 26, 2024, Full and Open Competition After Exclusion of Sources, 3 offers | 261-Network Contract Office 21Department of Veterans Affairs | Modification to Extend Time for Commissioning.NAICS 236220, PSC Z1DA | $1,778,125 |
| 36C26126N0163Delivery Order, October 14, 2025, Full and Open Competition After Exclusion of Sources, 2 offers | 261-Network Contract Office 21Department of Veterans Affairs | Radiology Patient Safety UpgradeNAICS 236220, PSC Y1DZ | $1,507,236 |
| 36C26125N0730Delivery Order, September 18, 2025, Full and Open Competition After Exclusion of Sources, 1 offers | 261-Network Contract Office 21Department of Veterans Affairs | Project No. 654-25-030, Replace Heat Exchanger Building 12 at Vamc - RenoNAICS 236220, PSC Z1DA | $1,341,500 |
| 36C26123C0022Definitive Contract, August 21, 2024, Full and Open Competition, 3 offers | 261-Network Contract Office 21Department of Veterans Affairs | Remodel Emergency Department (Ed) for Observation Beds.NAICS 236220, PSC Z2DA | $1,242,107 |
| 70Z08826FESDV0001Delivery Order, December 19, 2025, Full and Open Competition After Exclusion of Sources, 4 offers | Ceu OaklandU.S. Coast Guard | Install Drainage and Replace Walls at the Sta. Barbara Lighthouse Housing, Santa Barbara, Ca. PSN 12328641NAICS 236220, PSC Y1EB | $1,161,234 |
| 36C26124N0328Delivery Order, January 25, 2024, Full and Open Competition After Exclusion of Sources, 2 offers | 261-Network Contract Office 21Department of Veterans Affairs | Sidewalk Repairs and Upgrades at VA Palo Alto Hcs.NAICS 236220, PSC Z2DZ | $890,658 |
| 36C26223C0141Definitive Contract, October 9, 2024, Not Available for Competition, 1 offers | 262-Network Contract Office 22Department of Veterans Affairs | Site Prep for Surgical Trailer Pad Sites Located at VA Long Beach Healthcare System, Long Beach, CaNAICS 236220, PSC Z2DZ | $825,802 |
| 36C26125N0208Delivery Order, October 30, 2024, Full and Open Competition After Exclusion of Sources, 2 offers | 261-Network Contract Office 21Department of Veterans Affairs | Construction of a Gold Star Memorial at the Richard A. Pittman VA ClinicNAICS 236220, PSC Z2PZ | $770,487 |
| 70Z08825FESDV0006Delivery Order, April 9, 2025, Full and Open Competition After Exclusion of Sources, 3 offers | Ceu OaklandU.S. Coast Guard | Replace Deisel Fuel Tank, Station Noyo River, FT Bragg, Ca.NAICS 236220, PSC Z2EC | $684,273 |
| 36C26125N0156Delivery Order, October 8, 2024, Full and Open Competition After Exclusion of Sources, 1 offers | 261-Network Contract Office 21Department of Veterans Affairs | Excercise Option 3 - MaccNAICS 236220, PSC Z1DA | $654,526 |
| 697DCK24C00223Definitive Contract, May 29, 2024, Competed Under SAP, 8 offersSolicitation | 697DCK Regional Acquisitions SVCSFederal Aviation Administration | Contractor to Provide All Labor, Materials, Tools, Transportation, Equipment and Supervision to Replace Air Handling Units (Ahu) 4 and Ahu 5NAICS 238290, PSC N056 | $635,176 |
| 697DCK24F00409Delivery Order, May 2, 2024, Full and Open Competition, 4 offers | 697DCK Regional Acquisitions SVCSFederal Aviation Administration | Ads Roof ReplacementNAICS 236220, PSC Z1BA | $606,067 |
| 697DCK24F00125Delivery Order, February 7, 2024, Full and Open Competition, 2 offers | 697DCK Regional Acquisitions SVCSFederal Aviation Administration | Installation of HVAC System at the SDL AtctNAICS 236220, PSC Z1BA | $596,588 |
| 36C26125N0756Delivery Order, September 26, 2025, Full and Open Competition After Exclusion of Sources, 1 offers | 261-Network Contract Office 21Department of Veterans Affairs | Project No. 570-25-501, Ats Replacement B3, B25, and T5 at Fresno Va.NAICS 236220, PSC Z2DZ | $525,000 |
| 697DCK22C00182Definitive Contract, January 26, 2024, Full and Open Competition, 4 offers | 697DCK Regional Acquisitions SVCSFederal Aviation Administration | Multiple Ahus Replacement ProjectNAICS 238220, PSC Z2BC | $513,809 |
| 36C26125N0751Delivery Order, September 25, 2025, Full and Open Competition After Exclusion of Sources, 1 offers | 261-Network Contract Office 21Department of Veterans Affairs | Replace Generator Control System for the Fresno VA Medical CenterNAICS 236220, PSC Z2DZ | $498,980 |
| 36C25626C0029Definitive Contract, June 4, 2026, Not Competed, 1 offersSolicitation | 256-Network Contract Office 16Department of Veterans Affairs | 502-26-706 Ehrm JSA-FDSNAICS 236220, PSC Z1DZ | $488,627 |
| 70Z08826FLALB0003Delivery Order, May 28, 2026, Full and Open Competition After Exclusion of Sources, 3 offers | Ceu OaklandU.S. Coast Guard | Provide a Fully Integrated and Operational Uninterruptible Power Supply (Ups) SystemNAICS 236220, PSC Y1EB | $393,522 |
| 36C25626C0043Definitive Contract, June 8, 2026, Full and Open Competition After Exclusion of Sources, 6 offersSolicitation | 256-Network Contract Office 16Department of Veterans Affairs | 502-23-392 Con Replace Roof on Emerg. Generator BLDG 39NAICS 236220, PSC Z1DZ | $353,784 |
| 36C26124N0379Delivery Order, February 21, 2024, Full and Open Competition After Exclusion of Sources, 3 offersSolicitation | 261-Network Contract Office 21Department of Veterans Affairs | Repair Mechanical Equipment in 3 Rooms at Vamc Southern Nevada HCSNAICS 236220, PSC Z1DZ | $343,134 |
| 36C26123N0343Delivery Order, October 3, 2024, Full and Open Competition After Exclusion of Sources, 1 offers | 261-Network Contract Office 21Department of Veterans Affairs | Modification P00001 - Correct Project Number Only Modification P00002 - Additional Ats and Pop Extension Modification P00003 - Add VHD IntegNAICS 236220, PSC Z2DA | $195,544 |
| 70Z08822FESDV0032Delivery Order, November 7, 2024, Full and Open Competition After Exclusion of Sources, 3 offers | Ceu OaklandU.S. Coast Guard | Repair Plumbing in Beq Building, at U.S. Coast Guard Station Monterey CaliforniaNAICS 236220, PSC Z1FC | $177,398 |
| 70Z08823FESDV0010Delivery Order, March 27, 2024, Full and Open Competition After Exclusion of Sources, 3 offers | Ceu OaklandU.S. Coast Guard | Provide All Supervision, Materials, Tools, Labor, and Equipment Required to Facilitate the Mechanical, Electrical, and Structural Systems toNAICS 236220, PSC Z2BC | $175,738 |
| 36C25821N0216Delivery Order, September 6, 2024, Full and Open Competition After Exclusion of Sources, 3 offers | 262-Network Contract Office 22Department of Veterans Affairs | Project - 678-19-105 Under FAR 52.217-8, Extend the Option Period 4 Services Six Months to Multiple Award Task Order Contract(Matoc) ConstruNAICS 236220, PSC Y1DA | $94,149 |
| 36C26123N0303Delivery Order, January 11, 2024, Full and Open Competition After Exclusion of Sources, 2 offers | 261-Network Contract Office 21Department of Veterans Affairs | Replace R22 HVAC UnitsNAICS 236220, PSC Z2DZ | $85,069 |
| 36C26124N0854Delivery Order, September 5, 2024, Full and Open Competition After Exclusion of Sources, 1 offers | 261-Network Contract Office 21Department of Veterans Affairs | Warehouse Automatic Door Replacement at Vacchcs FresnoNAICS 236220, PSC Z2DA | $57,563 |
| 36C25621C0108Definitive Contract, April 22, 2024, Full and Open Competition After Exclusion of Sources, 3 offers | 256-Network Contract Office 16Department of Veterans Affairs | Mod P00002 - Project 502-19-102 Replace Roof and HVAC of BLDG 3 - Unforeseen CeilingsNAICS 236220, PSC Z1DA | $41,610 |
| 70Z08823FESDV0031Delivery Order, March 21, 2024, Full and Open Competition After Exclusion of Sources, 2 offers | Ceu OaklandU.S. Coast Guard | Replace Fire Detection and Alarm System, at Sector San Diego, Ca. PSN 14595297 (Psn 14595297)NAICS 236220, PSC Y1EB | $21,016 |
| 36C25723C0016Definitive Contract, April 7, 2026, Full and Open Competition After Exclusion of Sources, 3 offers | 257-Network Contract Office 17Department of Veterans Affairs | Replace Ahus Covid Wards 6J-6K TempleNAICS 238220, PSC Y1DA | $19,137 |
| 697DCK23C00037Definitive Contract, May 6, 2024, Full and Open Competition, 3 offers | 697DCK Regional Acquisitions SVCSFederal Aviation Administration | Mod 3 - Replace All Csw/R and Hws/R Piping InsulationNAICS 238220, PSC Y1BC | $18,809 |
| N6247325F5249Delivery Order, April 25, 2025, Full and Open Competition After Exclusion of Sources, 1 offersSolicitation | Navfacsyscom SouthwestDepartment of the Navy | Obligate Minimum GuaranteeNAICS 238220, PSC Z2JZ | $5,000 |
| 36C25924N0311Delivery Order, July 23, 2024, Full and Open Competition After Exclusion of Sources, 19 offers | Network Contract Office 19Department of Veterans Affairs | Minimun GuaranteeNAICS 236220, PSC Z2DA | $2,000 |
| 80AFRC26FA073Delivery Order, June 24, 2026, Full and Open Competition After Exclusion of Sources, 1 offers | NASA Armstrong Flight Research CNTRNational Aeronautics and Space Administration | Wrmacc ShempNAICS 236220, PSC Z2AZ | $1,000 |
| 36C25723C0002Definitive Contract, January 30, 2024, Full and Open Competition After Exclusion of Sources, 2 offers | 257-Network Contract Office 17Department of Veterans Affairs | Replace Cooling Towers Bldg. 18NAICS 238220, PSC Y1NB | $0 |
| 36C25819N0272Delivery Order, August 16, 2024, Full and Open Competition After Exclusion of Sources, 5 offers | 258-Network Cntrct Off 22GDepartment of Veterans Affairs | Bilateral Agreement P00009 for Time Extension of Equitable Adjustment Within Scope.NAICS 236220, PSC Y1DA | $0 |
| 140F0822D0108March 16, 2026, Full and Open Competition After Exclusion of Sources, 139 offers | Fws, GaoaU.S. Fish and Wildlife Service | Mod 3: the Purpose of This Modification Is to Ensure Compliance with Updated Federal Guidance and to Eliminate Non-Statutory Sustainability NAICS 236220, PSC Y1AA | $0 |
| 36C25924D0044May 31, 2024, Full and Open Competition After Exclusion of Sources, 19 offersSolicitation | Network Contract Office 19Department of Veterans Affairs | MatocNAICS 236220, PSC Z2DA | $0 |
| 36C26120D0089June 24, 2024, Full and Open Competition After Exclusion of Sources, 27 offersSolicitation | 261-Network Contract Office 21Department of Veterans Affairs | Excercise Option 3 - MaccNAICS 236220, PSC Y1JZ | $0 |
| 36C26224D0079June 25, 2024, Full and Open Competition After Exclusion of Sources, 34 offers | 262-Network Contract Office 22Department of Veterans Affairs | NCO 22 Construction MatocNAICS 236220, PSC Z2DA | $0 |
| 47PJ0021D0032January 4, 2024, Full and Open Competition After Exclusion of Sources, 34 offers | PBS R8 Acquisition Management DivisionPublic Buildings Service | Fascsa ModificationNAICS 236220, PSC Z2AA | $0 |
| 47PK0121D0014January 29, 2024, Full and Open Competition After Exclusion of Sources, 22 offers | PBS R9 Amd Capital ProjectsPublic Buildings Service | Adding the Federal Supply Chain Security Act to the Regional Construction IdiqsNAICS 236220, PSC Y1AZ | $0 |
| 697DCK23G00020September 18, 2024 | 697DCK Regional Acquisitions SVCSFederal Aviation Administration | Medium Wsa Boa - SergentNAICS 236220, PSC Z1BA | $0 |
| 697DCK23G00025September 18, 2024 | 697DCK Regional Acquisitions SVCSFederal Aviation Administration | Medium Csa Boa - SergentNAICS 236220, PSC Z1BA | $0 |
| 697DCK23G00030September 18, 2024 | 697DCK Regional Acquisitions SVCSFederal Aviation Administration | Medium Esa Boa - Sergents Mechanical SystemNAICS 236220, PSC Z1BA | $0 |
| 697DCK23G00031September 18, 2024 | 697DCK Regional Acquisitions SVCSFederal Aviation Administration | Small Eastern Service Area Basic Ordering AgreementNAICS 236220, PSC Z1BA | $0 |
| 697DCK23G00037September 18, 2024 | 697DCK Regional Acquisitions SVCSFederal Aviation Administration | Small Central Service Area Basic Ordering AgreementNAICS 236220, PSC Z1BA | $0 |
| 697DCK23G00042September 18, 2024 | 697DCK Regional Acquisitions SVCSFederal Aviation Administration | Small Wsa Boa - SergentNAICS 236220, PSC Z1BA | $0 |
| 70Z08219DPMV12100May 7, 2024, Full and Open Competition After Exclusion of Sources, 26 offers | Ceu MiamiU.S. Coast Guard | The Option to Extend the Terms of the Contract for Option Year Five (5) Is Hereby Exercised. Performance Period Is from 5/10/2024 to 5/09/20NAICS 236220, PSC Z2PZ | $0 |
| 70Z08818DPQQ21200May 28, 2026, Full and Open Competition After Exclusion of Sources, 24 offers | Ceu OaklandU.S. Coast Guard | Ipurpose of This Modification: Unilateral Modification to Exercise the Sixth Option Year (June 29, 2024 Through June 28, 2025NAICS 236220, PSC Z2EZ | $0 |
| 80AFRC26DA028June 8, 2026, Full and Open Competition After Exclusion of Sources, 40 offers | NASA Armstrong Flight Research CNTRNational Aeronautics and Space Administration | Western Regional Multiple Award Construction ContractNAICS 236220, PSC Z2AZ | $0 |
| N6247323D2605April 24, 2025, Full and Open Competition After Exclusion of Sources, 16 offers | Navfacsyscom SouthwestDepartment of the Navy | Fead'S Yuma/El Centro Aor Macc Clause ModificationNAICS 236220, PSC Y1AZ | $0 |
| N6247325D5224April 24, 2025, Full and Open Competition After Exclusion of Sources, 13 offersSolicitation | Navfacsyscom SouthwestDepartment of the Navy | Small Business HVAC V MaccNAICS 238220, PSC Z2JZ | $0 |
| N6945023D0007January 23, 2024, Full and Open Competition After Exclusion of Sources, 34 offers | Navfacsyscom SoutheastDepartment of the Navy | General Construction Projects Nte 5 YrsNAICS 236220, PSC Y1AZ | $0 |
| 36C25818C0094Definitive Contract, August 31, 2026, Full and Open Competition After Exclusion of Sources, 2 offers | 262-Network Contract Office 22Department of Veterans Affairs | Deob and Close OutNAICS 238220, PSC Z2DZ | -$244,861 |
| 697DCK23C00206Definitive Contract, January 9, 2024, Not Competed Under SAP, 1 offers | 697DCK Regional Acquisitions SVCSFederal Aviation Administration | Bil Funded - Paving, Fencing, and Gate Operator Replacements at Mod Atct (Modesto, Ca)NAICS 238990, PSC Z1BA | -$630,174 |
- Places of performance
- CaliforniaTexasLouisianaNevadaArizonaNew MexicoFloridaOregon
- Product and service codes
- Z2DA Repair Or Alteration Of Hospitals And InfirmariesZ1DZ Maintenance Of Other Hospital BuildingsZ2BC Repair Or Alteration Of Radar And Navigational FacilitiesZ1DA Maintenance Of Hospitals And InfirmariesZ2AA Repair Or Alteration Of Office BuildingsY1BC Construction Of Radar And Navigational Facilities
- Transactions
- 183 across 65 awards