Weck Analytical Environmental Services, Inc.

Hacienda Heights, CA Doing business as Weck Laboratories Weck Laboratories,Inc.

UEI
H8LRPKR4B2M6
CAGE
3LZR1
Primary NAICS
541380 Testing Laboratories and Services
SAM.gov registration
Active through

Company facts

Self-certified in SAM.gov
  • Minority Owned Business
  • Self Certified Small Disadvantaged Business
  • For Profit Organization
  • DOT Certified DBE
  • Hispanic American Owned
  • Subchapter S Corporation
Entity structure
Corporate Entity (Not Tax Exempt)
NAICS codes registered in SAM.gov
SAM.gov registration date
Physical address
14859 Clark Ave, Hacienda Heights, CA 91745, USA
Website
wecklabs.com
Founded
1964
Employees
51-250
Estimated annual revenue
$10M-$50M
Industry
  1. Industrials
  2. Commercial & Professional Services
  3. Professional Services
SIC code
87 Engineering & Management Services
Profiles

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

Recent federal awards

About Weck Analytical Environmental Services, Inc.

Weck Analytical Environmental Services, Inc., doing business as Weck Laboratories, is a minority-owned, self-certified small disadvantaged business that provides environmental analytical chemistry and water quality testing services to federal agencies as a prime contractor on 97% of its recent awards. Headquartered in Hacienda Heights, California, and operating facilities in City of Industry and La Puente, the company is a for-profit Subchapter S corporation structured as a Hispanic American-owned enterprise with DOT DBE certification. Weck Laboratories' portfolio concentrates in testing-laboratory services (67 of 76 awards) under NAICS 541712, with work spanning water quality analysis, reference laboratory testing, and equipment testing under PSC codes for special studies and analytical work.

Weck Laboratories' customer base centers on environmental and water-quality agencies. The Environmental Protection Agency's Office of Water dominates both potential value and task-order volume, holding $32.3 million across seven awards (94% of the vendor's combined potential value) anchored by a $27 million multiple-award indefinite delivery contract running through August 2027 for analytical chemistry services supporting the Fifth Unregulated Contaminant Monitoring Rule (UCMR 5) program. This IDC has generated six task orders ranging from $498 thousand to $1 million-plus for drinking water contaminant analysis, including per- and polyfluoroalkyl substances (PFAS) and lithium testing for small public water systems. The Department of the Interior's U.S. Geological Survey Office of Acquisitions and Grants ranks second by award count (30 awards, $909 thousand) for hexavalent chromium analyses and deobligations, while the Department of Veterans Affairs, the Department of the Navy, and the National Park Service round out the active customer set. The two rankings diverge sharply — EPA's potential-value dominance reflects the single large IDC, while USGS's award count reflects numerous small delivery orders under multiple older IDCs valued under $200 thousand apiece.

Recent awards illustrate the vendor's service-delivery model. A March 2026 Naval Facilities Engineering Command purchase order valued at $14,849 (Total Small Business set-aside) covers validation and testing of a ruggedized OXAQUA 3 seawater reverse osmosis disinfection system at Naval Construction Battalion Center Port Hueneme, completing September 2026. An August 2025 EPA Office of Water delivery order valued at $519,210 provides analytical laboratory services for UCMR 5 Task Order 4, with completion through August 2026. A June 2024 EPA Office of Water award of $615,715 covers UCMR 5 Task Order 3 analytical services for drinking water samples from small public water systems, completing December 2025. A September 2022 Bureau of Reclamation purchase order of $44,450 (Total Small Business set-aside) provided PFAS analysis at the Brackish Groundwater National Desalination Research Facility in Alamogordo, New Mexico, supporting desalination technology research.

Activity has declined year over year, with five awards in 2022 declining to one award each in 2025 and 2026. Only two awards face ultimate completion within the next twenty-four months (combined potential value $534 thousand), creating limited recompete exposure in the near term. Weck Laboratories operates almost entirely as a prime (97% of awards) and subcontracts minimally — two subcontract awards appear in the source, one with Weston Solutions Inc. for EPA SUPERFUND technical assessment and response services related to the 2023 Maui fires. Service Contract Inventory data captures $897 thousand in invoiced revenue in FY2024 across two prime records; SCI reporting is sparse and reflects only contracts above the $150,000 threshold, excluding the vendor's predominant portfolio of smaller delivery orders and purchase orders. Median government-paid hourly rates on SCI-reportable contracts run at $75.00 per hour. The vendor does not employ named subcontractors on SCI-reported work and builds its own delivery teams internally. Weck Laboratories holds no GWAC, schedule, or government-wide vehicle seats; work flows through agency-specific IDCs and direct purchase orders, with the EPA's UCMR 5 contract as the only large vehicle anchoring current pipeline.

SBA capabilities narrative

Laboratory Services; Environmental Testing Laboratory; Water and Soil Analysis

Quick answers

What is Weck Analytical Environmental Services, Inc.'s UEI?

Weck Analytical Environmental Services, Inc.'s Unique Entity ID (UEI) in SAM.gov is H8LRPKR4B2M6.

What is Weck Analytical Environmental Services, Inc.'s CAGE code?

Weck Analytical Environmental Services, Inc.'s CAGE code is 3LZR1.

What is Weck Analytical Environmental Services, Inc.'s primary NAICS code?

Weck Analytical Environmental Services, Inc.'s primary NAICS code is 541380 (Testing Laboratories and Services).

Where is Weck Analytical Environmental Services, Inc. located?

Weck Analytical Environmental Services, Inc.'s physical address in SAM.gov is 14859 Clark Ave, Hacienda Heights, CA 91745, USA.

Is Weck Analytical Environmental Services, Inc. registered in SAM.gov?

Yes. Weck Analytical Environmental Services, Inc.'s SAM.gov registration is active through January 26, 2027.

What is Weck Analytical Environmental Services, Inc.'s most recent federal award?

Weck Analytical Environmental Services, Inc.'s most recent federal contract award is To validate the system operation, performance, H2 and disinfected water safety, reliability, maintainability, and… (N3943026P2001), from Naval Facilities Engineering Command, on March 16, 2026.

On GovTribe

See Weck Analytical Environmental Services, Inc.'s full federal record

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