W M B, Inc.

Greenville, MS Doing business as WMB Inc.

UEI
MKDJAFHMBZZ5
CAGE
1X1Z5
Primary NAICS
238220 Plumbing, Heating, and Air-Conditioning Contractors
SAM.gov registration
Active through

Company facts

FY2025 rankings
Self-certified in SAM.gov
  • For Profit Organization
Entity structure
Corporate Entity (Not Tax Exempt)
SAM.gov registration date
Physical address
1023 MS-1, Greenville, MS 38701, 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 $0
FY2025 $112,029
FY2024 $19,772
FY2023 $46,901

Contract awards

Latest 5 listed here. See the rest on GovTribe.

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About the company

WMB Inc., doing business as Simpson Air Conditioning, is a small, for-profit corporate entity registered in SAM.gov since 2002, located in Greenville, Mississippi. The company specializes in HVAC-related services, maintenance, and installation for federal government facilities, with a particular focus on research and agricultural institutions. Based on its federal contract award history, WMB Inc. appears to be a specialized contractor that provides targeted mechanical and maintenance services to various Department of Agriculture research facilities and stations.

The company has consistently secured federal contract awards from the U.S. Department of Agriculture, specifically the Agricultural Research Service and Forest Service Research Service Southern Research Station. Its contract awards, ranging from $8,172 to $61,200, primarily involve HVAC system services including heat pump replacements, boiler repairs, preventive maintenance on incubators, and comprehensive HVAC unit installations. These contracts have been awarded through purchase orders, with some set aside for small business participation. WMB Inc. has demonstrated expertise in technical maintenance across multiple research facilities in Stoneville, Mississippi, handling projects such as replacing HVAC units, repairing boiler systems, performing preventive maintenance, and ensuring system functionality for research laboratories and administrative buildings. The company's contract awards indicate a specialized niche in mechanical systems maintenance for scientific research infrastructure.

SBA capabilities narrative

We do HVAC work, Plumbing, Ventalation, Maintance. Heating and Air Conditioning

Quick answers

Is W M B, Inc. registered in SAM.gov?

Yes. W M B, Inc.'s SAM.gov registration is active through March 10, 2027.

How much has W M B, Inc. received in federal contracts?

Federal contracts obligated $112,029 to W M B, Inc. in fiscal year 2025 and $178,702 in fiscal years 2023 through 2027.

How does W M B, Inc. rank among federal contractors?

W M B, Inc. ranked #41 in PSC N045 in FY2025.

What is W M B, Inc.'s most recent federal award?

W M B, Inc.'s most recent federal contract award is HVAC unit replacement (1232SA25P0626), from Central Program Planning Coordination and Support (ARS), on September 30, 2025.

On GovTribe

See W M B, Inc.'s full federal record

  • Federal contract awards
  • Funding analysis by agency, NAICS and set-aside
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