Company lists · Data refreshed September 2026
Top 25 Groundwater testing companies based in the United States
RevenueBase identified 441 company matches for groundwater testing companies associated with the United States as of September 2026 and tracks 5,007 professional contacts across them, including 1,843 with verified work emails. Houston is the largest hub.
This list covers company matches for groundwater testing companies associated with the United States, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 20, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest groundwater testing companies based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 254 contacts → | ||||
Exact match “Since 1987, Alpha Analytical, Inc.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 2 | 248 contacts → | ||||
Exact match “CASCADE is the leading provider of environmental and geotechnical drilling, site investigation and environmental remediation.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 3 | 158 contacts → | ||||
Exact match “Advanced Environmental Laboratories, Inc.(AEL) is a NELAP/TNI and DOD certified, national full-service laboratory firm, headquartered in Jacksonville, Florida, with additional…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 4 | 129 contacts → | ||||
Exact match “Ensero Solutions is an environmental consulting and remediation business with specific expertise in environmental assessments and permitting solutions, mine water management…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 5 | 113 contacts → | ||||
Exact match “Founded in 1952, Energy Laboratories, Inc.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 6 | 112 contacts → | ||||
Exact match “Established in 2019, Metiri Group has focused on using full-service environmental laboratories to deliver testing services to inform the decisions that improve the lives of people…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 7 | 106 contacts → | ||||
Exact match “Geo-Logic Associates, Inc.(GLA) is an employee-owned, multidisciplinary consulting firm.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 8 | 106 contacts → | ||||
Exact match “GWTT is one of the only U.S.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 9 | 96 contacts → | ||||
Exact match “EEC Environmental is a national environmental consulting firm that specializes in water, wastewater, stormwater, regulatory compliance, safety, and assessment and remediation of…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 10 | 92 contacts → | ||||
Exact match “Daniel B.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 11 | 83 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 12 | 82 contacts → | ||||
Exact match “ALC provides a wide range of environmental services from testing and reporting on potentially unsafe or hazardous conditions (asbestos, lead paint, indoor air quality/mold, soil…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 13 | 79 contacts → | ||||
Exact match “Larry Walker Associates (LWA) is a privately owned firm headquartered in Davis, California, with offices in Berkeley, Yreka, Santa Monica, Ventura, San Diego, and Seattle, WA.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 14 | 78 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 15 | 71 contacts → | ||||
Exact match “A&B Environmental Services, Inc.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 16 | 68 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 17 | 66 contacts → | ||||
Exact match “GSI Water Solutions, Inc, is a specialized groundwater, environmental, and water resources consulting firm.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 18 | 63 contacts → | ||||
Exact match “Blaine Tech Services performs environmental sampling and related field services.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 19 | 62 contacts → | ||||
Exact match “STAT Analysis Corporation (STAT) is a full-service analytical support laboratory that serves the environmental and industrial hygiene industries.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 20 | 61 contacts → | ||||
Exact match “Weck Laboratories Inc.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 21 | 60 contacts → | ||||
Exact match “Babcock Laboratories, Inc.(Babcock Labs) is a full service commercial laboratory that analyzes drinking water, wastewater, stormwater, food and beverages, groundwater, soil, and…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 22 | 60 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 23 | 59 contacts → | ||||
Exact match “THE ENVIRONMENTAL COMPANY LEW Environmental Services is proud to be part of the Mainline Environmental family of companies, alongside our sister organizations HSE Consulting and…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 24 | 45 contacts → | ||||
Exact match “S.S.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 25 | 43 contacts → | ||||
Exact match “Located in the San Francisco Bay Area (Pittsburg), McCampbell Analytical tests drinking water, effluent, soils, solids, hazardous waste, air, industrial materials and food for a…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “groundwater testing companies”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 441 groundwater testing companies based in the United States
See the full list, filter by size, metro and specialty, and access 1,843 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Groundwater testing companies based in the United States at a glance
As of Sep 20, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 441 companies.
How this list was built
The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
- What qualifies
- Company records associated with the United States whose business descriptions match “groundwater testing companies” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
- RevenueBase SmartSearch
- Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
- Public preview
- The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
- Match quality
- RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every displayed company carries at least one verified work email. RevenueBase tracks 1,843 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on September 20, 2026. Lists refresh periodically as the graph is re-checked.
- Record context
- Company records and descriptions can change. Check the company's website for its current services and locations.
Frequently asked
What is RevenueBase SmartSearch?
RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “groundwater testing companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many groundwater testing companies are there based in the United States?
RevenueBase identified 441 company matches for groundwater testing companies associated with the United States as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.
What is the largest company on this list?
Alpha Analytical tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most groundwater testing companies?
Houston leads with 9 company records, followed by Reno (7) and Baltimore (4).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 1,843 professional contacts with verified work emails tracked across these 441 companies; direct dials are available where recorded.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 20, 2026.
Ready to reach these companies? Verified emails and direct dials for all 441 groundwater testing companies based in the United States. Start with a free account, no credit card.
Download this list →Related lists
Groundwater testing companies by geography
- Groundwater testing companies based in Australia
- Groundwater testing companies based in Brazil
- Groundwater testing companies based in Canada
- Groundwater testing companies based in France
- Groundwater testing companies based in Germany
- Groundwater testing companies based in Italy
- Groundwater testing companies based in the Netherlands
- Groundwater testing companies based in South Africa
- Groundwater testing companies based in Spain
- Groundwater testing companies based in the United Kingdom
About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Groundwater testing companies based in Australia
- Groundwater testing companies based in Brazil
- Groundwater testing companies based in Canada
- Groundwater testing companies based in France
- Groundwater testing companies based in Germany
- Groundwater testing companies based in Italy
Company intelligence · public preview
Top 25 groundwater testing companies based in the United States
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 441 matching company records for groundwater testing companies based in the United States, with 5,007 tracked contacts and 1,843 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 20, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 groundwater testing companies based in the United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Alpha Analyticalalphalab.comHQ: Westborough, MA, United StatesReported employees: 501-1,000 | Westborough, MA, United States | 501-1,000 | Exact match | 254 contacts → |
“Since 1987, Alpha Analytical, Inc.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Cascade Environmental, LLCcascade-env.comHQ: Bothell, WA, United StatesReported employees: 1,001-5,000 | Bothell, WA, United States | 1,001-5,000 | Exact match | 248 contacts → |
“CASCADE is the leading provider of environmental and geotechnical drilling, site investigation and environmental remediation.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Advanced Environmental Laboratories, INCaellab.comHQ: Jacksonville, FL, United StatesReported employees: 51-200 | Jacksonville, FL, United States | 51-200 | Exact match | 158 contacts → |
“Advanced Environmental Laboratories, Inc.(AEL) is a NELAP/TNI and DOD certified, national full-service laboratory firm, headquartered in Jacksonville, Florida, with additional…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Ensero Solutionsensero.comHQ: Fort Collins, CO, United StatesReported employees: 51-200 | Fort Collins, CO, United States | 51-200 | Exact match | 129 contacts → |
“Ensero Solutions is an environmental consulting and remediation business with specific expertise in environmental assessments and permitting solutions, mine water management…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Energy Laboratories, INCenergylab.com HQ: Billings, MT, United StatesReported employees: 201-500 | Billings, MT, United States | 201-500 | Exact match | 113 contacts → |
“Founded in 1952, Energy Laboratories, Inc.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Metiri Groupmetirigroup.comHQ: Geneva, IL, United StatesReported employees: 201-500 | Geneva, IL, United States | 201-500 | Exact match | 112 contacts → |
“Established in 2019, Metiri Group has focused on using full-service environmental laboratories to deliver testing services to inform the decisions that improve the lives of people…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Geo-Logic Associates, INCgeo-logic.comHQ: Ontario, CA, United StatesReported employees: 201-500 | Ontario, CA, United States | 201-500 | Exact match | 106 contacts → |
“Geo-Logic Associates, Inc.(GLA) is an employee-owned, multidisciplinary consulting firm.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Ground Water Treatment & Technology, LLCgwttllc.com HQ: Wharton, NJ, United StatesReported employees: 51-200 | Wharton, NJ, United States | 51-200 | Exact match | 106 contacts → |
“GWTT is one of the only U.S.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | EEC Environmentaleecenvironmental.com HQ: Orange, CA, United StatesReported employees: 11-50 | Orange, CA, United States | 11-50 | Exact match | 96 contacts → |
“EEC Environmental is a national environmental consulting firm that specializes in water, wastewater, stormwater, regulatory compliance, safety, and assessment and remediation of…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Daniel B. Stephens & Associates, INCdbstephens.com HQ: Albuquerque, NM, United StatesReported employees: 51-200 | Albuquerque, NM, United States | 51-200 | Exact match | 92 contacts → |
“Daniel B.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Geotech Environmental Equipment, INCgeotechenv.comHQ: Denver, CO, United StatesReported employees: 51-200 | Denver, CO, United States | 51-200 | Exact match | 83 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 12 |  ALC Environmentalalcenvironmental.comHQ: New York, NY, United StatesReported employees: 51-200 | New York, NY, United States | 51-200 | Exact match | 82 contacts → |
“ALC provides a wide range of environmental services from testing and reporting on potentially unsafe or hazardous conditions (asbestos, lead paint, indoor air quality/mold, soil…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Larry Walker Associateslwa.comHQ: Davis, CA, United StatesReported employees: 51-200 | Davis, CA, United States | 51-200 | Exact match | 79 contacts → |
“Larry Walker Associates (LWA) is a privately owned firm headquartered in Davis, California, with offices in Berkeley, Yreka, Santa Monica, Ventura, San Diego, and Seattle, WA.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Phoenix Environmental Laboratories, INCphoenixlabs.com HQ: Manchester, CT, United StatesReported employees: 51-200 | Manchester, CT, United States | 51-200 | Exact match | 78 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 15 | A&b Labsablabs.com HQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 71 contacts → |
“A&B Environmental Services, Inc.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Teklab, INCteklabinc.com HQ: Collinsville, IL, United StatesReported employees: 201-500 | Collinsville, IL, United States | 201-500 | Exact match | 68 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 17 |  GSI Water Solutions, INCgsiws.comHQ: Portland, OR, United StatesReported employees: 51-200 | Portland, OR, United States | 51-200 | Exact match | 66 contacts → |
“GSI Water Solutions, Inc, is a specialized groundwater, environmental, and water resources consulting firm.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Blaine Tech Servicesblainetech.comHQ: San Jose, CA, United StatesReported employees: 51-200 | San Jose, CA, United States | 51-200 | Exact match | 63 contacts → |
“Blaine Tech Services performs environmental sampling and related field services.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Stat Analysis Corporationthesterlinglab.comHQ: Chicago, IL, United StatesReported employees: 11-50 | Chicago, IL, United States | 11-50 | Exact match | 62 contacts → |
“STAT Analysis Corporation (STAT) is a full-service analytical support laboratory that serves the environmental and industrial hygiene industries.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Weck Laboratories, INCwecklabs.com HQ: City Of Industry, CA, United StatesReported employees: 51-200 | City Of Industry, CA, United States | 51-200 | Exact match | 61 contacts → |
“Weck Laboratories Inc.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Babcock Laboratories, INCbabcocklabs.com HQ: Riverside, CA, United StatesReported employees: 51-200 | Riverside, CA, United States | 51-200 | Exact match | 60 contacts → |
“Babcock Laboratories, Inc.(Babcock Labs) is a full service commercial laboratory that analyzes drinking water, wastewater, stormwater, food and beverages, groundwater, soil, and…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Paradigm Environmental Services, INCparadigmenv.com HQ: Rochester, NY, United StatesReported employees: 51-200 | Rochester, NY, United States | 51-200 | Exact match | 60 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 23 |  LEW Environmentallewenvironmental.comHQ: Mine Hill, NJ, United StatesReported employees: 51-200 | Mine Hill, NJ, United States | 51-200 | Exact match | 59 contacts → |
“THE ENVIRONMENTAL COMPANY LEW Environmental Services is proud to be part of the Mainline Environmental family of companies, alongside our sister organizations HSE Consulting and…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | HQ: Rockville, MD, United StatesReported employees: 51-200 | Rockville, MD, United States | 51-200 | Exact match | 45 contacts → |
“S.S.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Mccampbell Analytical, INCmccampbell.com HQ: Pittsburg, CA, United StatesReported employees: 51-200 | Pittsburg, CA, United States | 51-200 | Exact match | 43 contacts → |
“Located in the San Francisco Bay Area (Pittsburg), McCampbell Analytical tests drinking water, effluent, soils, solids, hazardous waste, air, industrial materials and food for a…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 441 company matches
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Groundwater testing companies: dataset insights
September 20, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
440 records in the displayed employee bands.
1 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 441 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 20, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for groundwater testing companies?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many groundwater testing companies did RevenueBase find based in the United States?
The saved snapshot records 441 matching company records, 5,007 tracked contacts and 1,843 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 20, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Groundwater testing companies by geography
- Groundwater testing companies based in Australia
- Groundwater testing companies based in Brazil
- Groundwater testing companies based in Canada
- Groundwater testing companies based in France
- Groundwater testing companies based in Germany
- Groundwater testing companies based in Italy
- Groundwater testing companies based in the Netherlands
- Groundwater testing companies based in South Africa
- Groundwater testing companies based in Spain
- Groundwater testing companies based in the United Kingdom
Cite this list
RevenueBase Data Team. Top 25 groundwater testing companies based in the United States. Snapshot: September 20, 2026. https://revenuebase.ai/companies/groundwater-testing-companies/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Groundwater testing companies based in Australia
- Groundwater testing companies based in Brazil
- Groundwater testing companies based in Canada
- Groundwater testing companies based in France
- Groundwater testing companies based in Germany
- Groundwater testing companies based in Italy
Company intelligence · public preview
Top 25 groundwater testing companies based in the United States
RevenueBase records 441 matching company records for groundwater testing companies based in the United States, with 5,007 tracked contacts and 1,843 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 20, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 groundwater testing companies based in the United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Alpha Analyticalalphalab.com HQ: Westborough, MA, United StatesReported employees: 501-1,000 | Westborough, MA, United States | 501-1,000 | Exact match | 254 contacts → |
“Since 1987, Alpha Analytical, Inc.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Cascade Environmental, LLCcascade-env.com HQ: Bothell, WA, United StatesReported employees: 1,001-5,000 | Bothell, WA, United States | 1,001-5,000 | Exact match | 248 contacts → |
“CASCADE is the leading provider of environmental and geotechnical drilling, site investigation and environmental remediation.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Advanced Environmental Laboratories, INCaellab.com HQ: Jacksonville, FL, United StatesReported employees: 51-200 | Jacksonville, FL, United States | 51-200 | Exact match | 158 contacts → |
“Advanced Environmental Laboratories, Inc.(AEL) is a NELAP/TNI and DOD certified, national full-service laboratory firm, headquartered in Jacksonville, Florida, with additional…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Ensero Solutionsensero.com HQ: Fort Collins, CO, United StatesReported employees: 51-200 | Fort Collins, CO, United States | 51-200 | Exact match | 129 contacts → |
“Ensero Solutions is an environmental consulting and remediation business with specific expertise in environmental assessments and permitting solutions, mine water management…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Energy Laboratories, INCenergylab.com HQ: Billings, MT, United StatesReported employees: 201-500 | Billings, MT, United States | 201-500 | Exact match | 113 contacts → |
“Founded in 1952, Energy Laboratories, Inc.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Metiri Groupmetirigroup.com HQ: Geneva, IL, United StatesReported employees: 201-500 | Geneva, IL, United States | 201-500 | Exact match | 112 contacts → |
“Established in 2019, Metiri Group has focused on using full-service environmental laboratories to deliver testing services to inform the decisions that improve the lives of people…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Geo-Logic Associates, INCgeo-logic.com HQ: Ontario, CA, United StatesReported employees: 201-500 | Ontario, CA, United States | 201-500 | Exact match | 106 contacts → |
“Geo-Logic Associates, Inc.(GLA) is an employee-owned, multidisciplinary consulting firm.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Ground Water Treatment & Technology, LLCgwttllc.com HQ: Wharton, NJ, United StatesReported employees: 51-200 | Wharton, NJ, United States | 51-200 | Exact match | 106 contacts → |
“GWTT is one of the only U.S.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | EEC Environmentaleecenvironmental.com HQ: Orange, CA, United StatesReported employees: 11-50 | Orange, CA, United States | 11-50 | Exact match | 96 contacts → |
“EEC Environmental is a national environmental consulting firm that specializes in water, wastewater, stormwater, regulatory compliance, safety, and assessment and remediation of…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Daniel B. Stephens & Associates, INCdbstephens.com HQ: Albuquerque, NM, United StatesReported employees: 51-200 | Albuquerque, NM, United States | 51-200 | Exact match | 92 contacts → |
“Daniel B.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Geotech Environmental Equipment, INCgeotechenv.com HQ: Denver, CO, United StatesReported employees: 51-200 | Denver, CO, United States | 51-200 | Exact match | 83 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 12 | ALC Environmentalalcenvironmental.com HQ: New York, NY, United StatesReported employees: 51-200 | New York, NY, United States | 51-200 | Exact match | 82 contacts → |
“ALC provides a wide range of environmental services from testing and reporting on potentially unsafe or hazardous conditions (asbestos, lead paint, indoor air quality/mold, soil…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Larry Walker Associateslwa.com HQ: Davis, CA, United StatesReported employees: 51-200 | Davis, CA, United States | 51-200 | Exact match | 79 contacts → |
“Larry Walker Associates (LWA) is a privately owned firm headquartered in Davis, California, with offices in Berkeley, Yreka, Santa Monica, Ventura, San Diego, and Seattle, WA.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Phoenix Environmental Laboratories, INCphoenixlabs.com HQ: Manchester, CT, United StatesReported employees: 51-200 | Manchester, CT, United States | 51-200 | Exact match | 78 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 15 | A&b Labsablabs.com HQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 71 contacts → |
“A&B Environmental Services, Inc.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Teklab, INCteklabinc.com HQ: Collinsville, IL, United StatesReported employees: 201-500 | Collinsville, IL, United States | 201-500 | Exact match | 68 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 17 | GSI Water Solutions, INCgsiws.com HQ: Portland, OR, United StatesReported employees: 51-200 | Portland, OR, United States | 51-200 | Exact match | 66 contacts → |
“GSI Water Solutions, Inc, is a specialized groundwater, environmental, and water resources consulting firm.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Blaine Tech Servicesblainetech.com HQ: San Jose, CA, United StatesReported employees: 51-200 | San Jose, CA, United States | 51-200 | Exact match | 63 contacts → |
“Blaine Tech Services performs environmental sampling and related field services.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Stat Analysis Corporationthesterlinglab.com HQ: Chicago, IL, United StatesReported employees: 11-50 | Chicago, IL, United States | 11-50 | Exact match | 62 contacts → |
“STAT Analysis Corporation (STAT) is a full-service analytical support laboratory that serves the environmental and industrial hygiene industries.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Weck Laboratories, INCwecklabs.com HQ: City Of Industry, CA, United StatesReported employees: 51-200 | City Of Industry, CA, United States | 51-200 | Exact match | 61 contacts → |
“Weck Laboratories Inc.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Babcock Laboratories, INCbabcocklabs.com HQ: Riverside, CA, United StatesReported employees: 51-200 | Riverside, CA, United States | 51-200 | Exact match | 60 contacts → |
“Babcock Laboratories, Inc.(Babcock Labs) is a full service commercial laboratory that analyzes drinking water, wastewater, stormwater, food and beverages, groundwater, soil, and…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Paradigm Environmental Services, INCparadigmenv.com HQ: Rochester, NY, United StatesReported employees: 51-200 | Rochester, NY, United States | 51-200 | Exact match | 60 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 23 | LEW Environmentallewenvironmental.com HQ: Mine Hill, NJ, United StatesReported employees: 51-200 | Mine Hill, NJ, United States | 51-200 | Exact match | 59 contacts → |
“THE ENVIRONMENTAL COMPANY LEW Environmental Services is proud to be part of the Mainline Environmental family of companies, alongside our sister organizations HSE Consulting and…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | HQ: Rockville, MD, United StatesReported employees: 51-200 | Rockville, MD, United States | 51-200 | Exact match | 45 contacts → |
“S.S.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Mccampbell Analytical, INCmccampbell.com HQ: Pittsburg, CA, United StatesReported employees: 51-200 | Pittsburg, CA, United States | 51-200 | Exact match | 43 contacts → |
“Located in the San Francisco Bay Area (Pittsburg), McCampbell Analytical tests drinking water, effluent, soils, solids, hazardous waste, air, industrial materials and food for a…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 441 company matches
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Groundwater testing companies: dataset insights
September 20, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
440 records in the displayed employee bands.
1 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 441 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 20, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for groundwater testing companies?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many groundwater testing companies did RevenueBase find based in the United States?
The saved snapshot records 441 matching company records, 5,007 tracked contacts and 1,843 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 20, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
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Cite this list
RevenueBase Data Team. Top 25 groundwater testing companies based in the United States. Snapshot: September 20, 2026. https://revenuebase.ai/companies/groundwater-testing-companies/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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