Mdk, LLC
Sparks, NV Doing business as Western Environmental Testing Laboratory
- UEI
- HXG6U97RND27
- CAGE
- 3SVC5
- Primary NAICS
- 541380 Testing Laboratories and Services
- SAM.gov registration
- Active through
Company facts
- Self-certified in SAM.gov
- Entity structure
- Corporate Entity (Not Tax Exempt)
- NAICS codes registered in SAM.gov
- SAM.gov registration date
- Physical address
- 475 E Greg St #119, Sparks, NV 89431, USA
- Website
- wetlaboratory.com
- Employees
- 1-10
- Estimated annual revenue
- $1M-$10M
- Industry
-
- Industrials
- Commercial & Professional Services
- Professional Services
- SIC code
- 87 Engineering & Management Services
Registration and certifications come from SAM.gov and the SBA; company details from public web sources. Updated .
Recent federal awards
| Award | Agency | Obligated | Awarded |
|---|---|---|---|
| The purpose of this requirement is to place a BPA call for laboratory services to analyze inorganic parameters in… | Bureau of Reclamation | $86,174 | |
| BPA call for inorganic parameters in water - wet labs | Bureau of Reclamation | $60,168 | |
| BPA call for inorganic parameters in water - wet labs, klamath basin area office | Bureau of Reclamation | $14,999 | |
| BPA call for inorganic parameters in water testing- wet labs | Bureau of Reclamation | $115,491 | |
| BPA call for inorganic parameters in water for FY 25 - wet labs | Bureau of Reclamation | $0 |
About Mdk, LLC
Mdk, LLC, doing business as Western Environmental Testing Laboratory, is a woman-owned small business based in Sparks, Nevada that provides EPA-standard inorganic water quality testing and analysis services to federal agencies as a prime contractor operating exclusively under Total Small Business set-asides. The company operates wet laboratory facilities in Sacramento, California and Sparks, Nevada, delivering comprehensive analysis of water samples for metals, nutrients, and anions to support water resource management, environmental monitoring, and compliance programs across the western United States.
The vendor's federal footprint is heavily concentrated with the Department of the Interior. The Bureau of Reclamation dominates the award portfolio, accounting for 255 of 379 total awards (71% of all awards) and $2.1 million of the $2.5 million combined potential value (84%). The remaining customer base includes the National Park Service Pacific West Region (3 awards, $231 thousand), the United States Marine Corps (6 awards, $149 thousand), the Bureau of Land Management Nevada Region (2 awards, $37 thousand), the Fish and Wildlife Service Nevada Ecological Services Office (1 award, $15 thousand), and the Forest Service R5-Pacific Southwest Region (3 awards, $11 thousand). Representative work includes a $208 thousand purchase order from the National Park Service for laboratory water testing at Death Valley National Park (awarded September 2022, option year four exercised, completion September 2027), a $161.2 thousand BPA call from the Bureau of Reclamation for inorganic parameters testing (April 2025 award), and a $159.7 thousand BPA call from the Bureau of Reclamation covering April 2024 through March 2025 inorganic testing services.
Mdk's contract vehicles are Blanket Purchase Agreements established with Department of the Interior agencies. The largest vehicle is BPA INR11PA20028 with the Bureau of Reclamation, supporting 206 task orders and $226 thousand combined potential value. A second major vehicle, BPA 140R2021A0023, also with the Bureau of Reclamation, carries a $450 thousand ceiling and has generated 11 task orders worth $660 thousand combined potential value. Additional BPAs include INR10PA20783 (78 task orders, $10 thousand combined value), INR03PB200025 (49 task orders), and INR16PA00017 (11 task orders, $32 thousand combined value). Activity has been flat to declining across the past five years (three awards in 2022, three in 2023, four in 2024, one in 2025, two in 2026), with three awards (combined potential value $283 thousand) reaching ultimate completion within the next twenty-four months and facing recompete exposure. The vendor operates as a pure prime under small business set-asides with no subcontract footprint and category concentration in testing laboratories and services (376 of 379 awards under NAICS Testing Laboratories and Services).
SBA capabilities narrative
Western Environmental Testing Laboratory (WETLAB) located in Sparks, Nevada is
an inorganic environmental testing laboratory. WETLAB specializes in inorganic analyses including metals and wet chemistry.
Quick answers
What is Mdk, LLC's UEI?
Mdk, LLC's Unique Entity ID (UEI) in SAM.gov is HXG6U97RND27.
What is Mdk, LLC's CAGE code?
Mdk, LLC's CAGE code is 3SVC5.
What is Mdk, LLC's primary NAICS code?
Mdk, LLC's primary NAICS code is 541380 (Testing Laboratories and Services).
Where is Mdk, LLC located?
Mdk, LLC's physical address in SAM.gov is 475 E Greg St #119, Sparks, NV 89431, USA.
Is Mdk, LLC registered in SAM.gov?
Yes. Mdk, LLC's SAM.gov registration is active through January 8, 2027.
What is Mdk, LLC's most recent federal award?
Mdk, LLC's most recent federal contract award is The purpose of this requirement is to place a BPA call for laboratory services to analyze inorganic parameters in… (140R2026F0062), from Bureau of Reclamation, on October 1, 2026.
On GovTribe
See Mdk, LLC's full federal record
- Federal contract awards
- IDV awards
- Funding analysis by agency, NAICS and set-aside
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