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

Self-certified in SAM.gov
  • For Profit Organization
Entity structure
Corporate Entity (Not Tax Exempt)
NAICS codes registered in SAM.gov
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 .

Recent federal awards

W M B, Inc.'s 5 most recent federal contract and grant awards, newest first. Amounts are dollars obligated.
Award Agency Obligated Awarded
HVAC unit replacement Contract · 1232SA25P0626 Central Program Planning Coordination and Support $61,200
LSS - demo/replace 4 boilers at stoneville, bldg #7 Contract · 1232SA25P0032 Central Program Planning Coordination and Support $50,829
Waru bldg. #46 - repair trane HVAC system as per statement of work Contract · 12405B23P0180 Southeast Area $24,999
(4)incubators preventive maintenance Contract · 12405B21P0375 Southeast Area $8,172
Replace 2-ton heat pump serving conference room/library in southern hardwoods lab, stoneville, MS Contract · 12445021P0046 Forest Service $13,134

About W M B, Inc.

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

What is W M B, Inc.'s UEI?

W M B, Inc.'s Unique Entity ID (UEI) in SAM.gov is MKDJAFHMBZZ5.

What is W M B, Inc.'s CAGE code?

W M B, Inc.'s CAGE code is 1X1Z5.

What is W M B, Inc.'s primary NAICS code?

W M B, Inc.'s primary NAICS code is 238220 (Plumbing, Heating, and Air-Conditioning Contractors).

Where is W M B, Inc. located?

W M B, Inc.'s physical address in SAM.gov is 1023 MS-1, Greenville, MS 38701, USA.

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

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

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, 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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