Mannon Mechanical LLC

Ocean Springs, MS Doing business as Mannon Government Services

UEI
DV9CW9VZCJH9
CAGE
9SJ71
Primary NAICS
238220 Plumbing, Heating, and Air-Conditioning Contractors
SAM.gov registration
Active through

Company facts

Self-certified in SAM.gov
  • For Profit Organization
  • Self Certified Small Disadvantaged Business
Entity structure
Sole Proprietorship
Other NAICS codes in SAM.gov
Show all 192
SAM.gov registration date
Physical address
1009 Prairiegrass Ct, Ocean Springs, MS 39564, USA

Registration and certifications come from SAM.gov and the SBA; company details from public web sources. Updated .

Contract obligations by fiscal year

Fiscal year Obligated
FY2027 To date $0
FY2026 $403,633
FY2025 $293,330
FY2024 $100,010

Top agencies by obligations

Rank Agency Obligated, FY2026–FY2027 Share
1 Department of the Interior $317,284
2 Department of Homeland Security $31,500
3 Department of Commerce $31,019
4 Department of the Army $17,234
5 Department of Agriculture $6,595

Contract awards

Award Agency Obligated Awarded
Semi-annual preventative maintenance for security gates 1232SA26P0915 Central Program Planning Coordination and Support (ARS) $6,595
Repair academy fences 70Z03926PCGA00087 Coast Guard $31,500
Quarry exhibit hall physical security gate repair and system restoration at dinosaur national monument 140P1426P0082 Intermountain Region (NPS) $10,683
The contractor shall provide and install a multi-zone (multi-head) replacement air conditioning system in the tauese p… 1305M226P0221 National Oceanic and Atmospheric Administration $31,019
Gillig bus repairs for yosemite NP 140P8526P0051 Pacific West Region (NPS) $355,855

Latest 5 listed here. See the rest on GovTribe.

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About the company

Written by GovTribe AI ·

Mannon Mechanical LLC, doing business as Mannon Government Services, is a sole-proprietorship self-certified small disadvantaged business based in Ocean Springs, Mississippi, that delivers facility infrastructure maintenance and technical services to federal agencies as a prime contractor, competing predominantly under total small business set-asides across eighteen awards totaling $1.6 million in combined potential value since August 2024.

Mannon's capability portfolio centers on HVAC system replacement, roofing repair, fire protection system installation and certification, specialized facility maintenance, fuel supply and delivery, and hazardous materials testing. Representative work includes a $750 thousand multiple-award Blanket Purchase Agreement with the Air Education and Training Command (awarded February 2026) for non-destructive and destructive testing and hazardous materials surveys—including lead-based paint, asbestos, PCBs, mercury, mold, and soil testing—across sixty buildings and eleven geographically separated units at Joint Base San Antonio, Texas, running through January 2031. Mannon also holds a $355.9 thousand firm fixed-price purchase order from the National Park Service Pacific West Region (awarded July 2026) for Gillig bus repair work at Yosemite National Park, involving diagnostics and corrective maintenance on six Gillig diesel hybrid electric buses with overhauled engines carrying two-year/100,000-mile warranties. A third example: the U.S. Coast Guard awarded a $44 thousand purchase order (May 2025) to repair the in-ground fuel tank sump and install new piping at Coast Guard Station Brunswick, Georgia, completed within sixty calendar days on firm fixed-price terms.

Customer concentration is diffuse across thirteen distinct federal agencies, with the top five accounting for 56% of award count. The Coast Guard leads by award frequency with five orders ($131 thousand combined potential value), while the Air Force Materiel Command anchors the dollar concentration with the $750 thousand AETC BPA. The National Park Service appears across multiple regions—Pacific West (Yosemite bus repair, $356 thousand) and Southeast (Cumberland Island HVAC replacement, $100 thousand; fire system repairs and gate maintenance, $11 thousand). The Department of Interior's Bureau of Reclamation contributed a $66.5 thousand purchase order for Gardner Denver turbo blowers (December 2025). The National Oceanic and Atmospheric Administration, General Services Administration (GSA Midwest Area), Bureau of Indian Affairs, Naval Criminal Investigative Service, Kansas National Guard, and U.S. Air Force Materiel Command round out the active customer set. Three awards (combined potential value $398 thousand) face ultimate completion within the next twenty-four months, creating recompete exposure.

Activity has accelerated from one award in 2024 to ten in 2025 and seven in 2026 year to date. Mannon holds no subcontractor positions and does not sit on parent contract vehicles such as GWACs or agency-wide IDIQs; all awards are direct purchase orders or the single AETC BPA. Typical performance periods span forty-five to sixty calendar days under firm fixed-price structures. The vendor has obligated $797 thousand (50% of combined potential value) to date, indicating active execution rather than pipeline-only positioning.

Quick answers

Is Mannon Mechanical LLC registered in SAM.gov?

Yes. Mannon Mechanical LLC's SAM.gov registration is active through August 28, 2027.

How much has Mannon Mechanical LLC received in federal contracts?

Federal contracts obligated $293,330 to Mannon Mechanical LLC in fiscal year 2025 and $796,973 in fiscal years 2023 through 2027.

How does Mannon Mechanical LLC rank among federal contractors?

Mannon Mechanical LLC ranked #4 in PSC 4530, #26 in PSC Z1NA and #27 in PSC Z1FB in FY2025.

What is Mannon Mechanical LLC's most recent federal award?

Mannon Mechanical LLC's most recent federal contract award is Semi-annual preventative maintenance for security gates (1232SA26P0915), from Central Program Planning Coordination and Support (ARS), on September 29, 2026.

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