Weck Laboratories, Inc.
Weck Laboratories is a privately held environmental analytical testing laboratory founded in 1964 and based in City of Industry, California, serving water utilities, wastewater facilities, environmental consultants, and government agencies with drinking water, wastewater, soils, and specialty analyses including PFAS and emerging contaminants.
- Company typePrivate
- Founded1964
- HeadquartersHacienda Heights, United States
- Headcount101–250
- GTM typeB2B
- OfferingServices
What Weck Laboratories, Inc. does
Weck Laboratories, Inc. is a privately held environmental analytical testing laboratory founded in 1964 and headquartered at 14859 Clark Avenue, City of Industry, California (operating in the Hacienda Heights market). The company provides comprehensive environmental testing services across four core categories — Drinking Water Analyses, Wastewater Analyses, Soils and Hazardous Waste Analyses, and Specialty Analyses — using EPA-standard methodologies on advanced instrumentation including LC-MS/MS, GC-MS, and ICP-MS platforms. Its specialty portfolio targets high-growth emerging contaminant categories such as PFAS (with active EPA UCMR5 approval), 6PPD-quinone (a tire antioxidant transformation product), algal toxins, and activated carbon testing, positioning the laboratory at the intersection of regulatory-driven demand and methods-development expertise.
The business operates a B2B sales-led model serving water utilities, wastewater treatment facilities, industrial dischargers, environmental consulting and engineering firms, and federal and state regulatory agencies. Revenue is generated through per-sample transaction fees under a standard price schedule with rush-analysis surcharges and NET 30 credit terms (advance payment for new accounts), supplemented by professional-services revenue from field sampling. Customer engagement is supported by the WeckConnect online portal, which provides 24/7 access to analytical results, work orders, and electronic data deliverables; the laboratory also maintains over 50 custom EDD formats to integrate with client LIMS and regulatory databases such as SDWARS/CDX, Geotracker, and EDF, and provides secure FTP-based file transfer. Distribution is primarily direct via field services in Southern California and mail-in sample submission from certified clients across 11 states plus Guam.
Weck's competitive position rests on an unusually broad certification stack — ANAB ISO/IEC 17025:2017, DoD, DOE, EPA UCMR 2–5, California ELAP, Oregon NELAP, and state certifications across Nevada, Hawaii, Oklahoma, New Jersey, Vermont, Idaho, Montana, Virginia, and Guam — supported by a 98.5% average proficiency-testing acceptable score across 11,837 parameters (2022–2024). The company is independently owned with no parent, no disclosed institutional investors, and no M&A or restructuring activity on record, consistent with a founder-managed specialty testing business.
Weck Laboratories, Inc. firmographics
Firmographics- Name
- Weck Laboratories, Inc.
- Legal name
- Weck Laboratories, Inc.
- Website
- https://wecklabs.com
- Company type
- Private
- Founded year
- 1964
- Operating status
- Operating
- Headcount range
- 101–250 employees
- Short description
- Weck Laboratories is a privately held environmental analytical testing laboratory founded in 1964 and based in City of Industry, California, serving water utilities, wastewater facilities, environmental consultants, and government agencies with drinking water, wastewater, soils, and specialty analyses including PFAS and emerging contaminants.
- Ownership category
- akta.pro rank
Weck Laboratories, Inc. industry classification
Industry- Product category
- Environmental Testing Services
- NAICS
- Testing Laboratories and Services (541380), Testing Laboratories and Services (54138)
- SIC
- Services-Testing Laboratories (8734)
- akta.pro primary industry
- Laboratory Testing & Analytical Services (in-house/contract labs; microbiology, metals, organics) (EUANAJAB)
Keywords
Where Weck Laboratories, Inc. is headquartered
LocationHeadquarters
- HQ city
- Hacienda Heights
- HQ country
- United States
- HQ region
- North America
Offices1 record
Markets served
Weck Laboratories, Inc. business model
Business model- GTM type
- B2B
- Offering type
- Services
- Cost components
- Personnel, Technology or R&D, Operations, Infrastructure, Marketing or Sales
Revenue model
- Laboratory Analytical Services: Environmental testing services for drinking water, wastewater, soils, and hazardous waste samples. Revenue generated through per-sample analysis fees based on specific tests requested. Pricing follows standard price schedule with rush analysis available at additional charge.
- Field Services: On-site sampling services including industrial wastewater sampling, potable water sampling, soil sampling, and field analyses. Provided by trained field personnel for Southern California clients.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Transaction based/ take rate | Pay-as-you-go | Standard Analysis |
| Transaction based/ take rate | Pay-as-you-go | Rush Analysis |
Go-to-market motion1 record
Distribution channels3 records
Marketing channels8 records
Weck Laboratories, Inc. product offering
Product offeringCore offering
Weck Laboratories, Inc. is an environmental testing laboratory that provides analytical testing services for drinking water, wastewater, soils/hazardous waste, and specialty contaminants (including PFAS, 6PPD-quinone, and algal toxins). Services are delivered through four core testing categories supported by field sampling, electronic data deliverable (EDD) formatting, secure FTP transfer, and the WeckConnect! client portal for 24/7 results access.
Product overview
Weck Laboratories, Inc. is an environmental testing laboratory with over 60 years of industry expertise offering comprehensive analytical services across four core testing categories: Drinking Water Analyses, Wastewater Analyses, Soils and Hazardous Waste Analyses, and Specialty Analyses (including PFAS, 6PPD-quinone, and algal toxins). These core laboratory services are supported by ancillary offerings: Field Services for on-site sampling and monitoring, Data Deliverables for electronic and hardcopy result formats (supporting over 50 EDD formats), and a dedicated FTP service for secure file transfer. The WeckConnect! client portal provides 24/7 access to real-time results, work order status, and downloadable reports. Sampling Services with proper Chain-of-Custody documentation complement the testing portfolio.
Differentiator
Problem solved
Functional benefit
Products and services
- Drinking Water Analyses
- Wastewater Analyses
- Soils and Hazardous Waste Analyses
- Specialty Analyses
- Field Services
- Data Deliverables
- File Transfer Protocol (FTP)
- WeckConnect!
- Sampling Services
Quantifiable outcome
- 98.5% average acceptable proficiency testing score
- +2 more outcomes
Companies that use Weck Laboratories, Inc.
Customer profileSegments4 records
Ideal customer profiles4 records
Weck Laboratories, Inc. technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature3 records
Weck Laboratories, Inc. partnerships and signals
Strategic signalPartnerships
Three partnerships are on record, tiered moderate.
- NELAC Institute (TNI)moderateMember organization supporting the National Environmental Laboratory Accreditation Conference standards and accreditation requirements
- American Council of Independent Laboratories (ACIL)moderateNational trade association representing independent testing laboratories; provides advocacy and industry standards support
- AOAC International (OAC)moderateInternational association of analytical scientists providing standardized methods validation and laboratory accreditation support
Scale indicators5 records
Recent moves6 records
Expansion highlights5 records
Weck Laboratories, Inc. competitors and assessment
Company assessmentMarket position
Competitive moat4 records
Key risks6 records
Key highlights7 records
Customer concentration
Weck Laboratories, Inc. social profiles
Digital presenceWeck Laboratories, Inc. compliance and trust
Trust signalCompliance22 records
Weck Laboratories, Inc. financial estimates
Financial estimateRevenue estimate
Valuation estimate
Weck Laboratories, Inc. leadership team
Management profileNumber of profiles
Profiles9 records
Weck Laboratories, Inc. funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Weck Laboratories, Inc. M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Weck Laboratories, Inc.
What does Weck Laboratories, Inc. do?
Weck Laboratories, Inc. is an environmental testing laboratory that provides analytical testing services for drinking water, wastewater, soils/hazardous waste, and specialty contaminants (including PFAS, 6PPD-quinone, and algal toxins). Services are delivered through four core testing categories supported by field sampling, electronic data deliverable (EDD) formatting, secure FTP transfer, and the WeckConnect! client portal for 24/7 results access.
Is Weck Laboratories, Inc. a public or private company?
Weck Laboratories, Inc. is a private company. It is classified as founder individual operated bootstrapped and is currently operating.
When was Weck Laboratories, Inc. founded?
Weck Laboratories, Inc. was founded in 1964. It employs 101 to 250 people.
Where is Weck Laboratories, Inc. based?
Weck Laboratories, Inc. is headquartered in Hacienda Heights, United States, in the North America region.
How does Weck Laboratories, Inc. make money?
Two revenue lines are on record. Laboratory Analytical Services are the primary driver. The others are field Services.
Does Weck Laboratories, Inc. have an API?
No public API is recorded for Weck Laboratories, Inc..
What industry is Weck Laboratories, Inc. in?
Weck Laboratories, Inc.'s product category is Environmental Testing Services. Its primary akta.pro industry code is EUANAJAB, Laboratory Testing & Analytical Services (in-house/contract labs; microbiology, metals, organics). Its NAICS code is 541380 and its SIC code is 8734.