Company lists · Data refreshed September 2026
Top 25 Groundwater monitoring services based in the United States
RevenueBase identified 369 company matches for groundwater monitoring services associated with the United States as of September 2026 and tracks 2,588 professional contacts across them, including 990 with verified work emails. Houston is the largest hub.
This list covers company matches for groundwater monitoring services 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 monitoring services based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 170 contacts → | ||||
Exact match “In-Situ simplifies water monitoring for surface water, coastal, groundwater, aquaculture, drinking water and wastewater applications with reliable, low-maintenance instrumentation…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 2 | 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 | |||||
| 3 | 92 contacts → | ||||
Exact match “Hydro Resources specializes in providing the complete solution in the development and maintenance of your groundwater project.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 4 | 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 | |||||
| 5 | 79 contacts → | ||||
Exact match “Specialist in Real-Time Completions Intelligence for Fracture Geometry & Efficiency | Geohazards | Stress Field | CCUS | Geothermal | FDI | Sinkhole Detection | Induced Seismicity…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 6 | 71 contacts → | ||||
Exact match “QED Environmental Systems is the world's leading provider of environmental technology solutions.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 7 | 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 | |||||
| 8 | 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 | |||||
| 9 | 56 contacts → | ||||
Exact match “Authentic relationships are standard practice at Weisinger Incorporated.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 10 | 46 contacts → | ||||
Exact match “Vibranalysis is a leader in geotechnical, structural, and environmental monitoring in New York City with over 38 years of industry experience.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 11 | 45 contacts → | ||||
Exact match “S.S.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 12 | 42 contacts → | ||||
Exact match “Clear Creek Associates, a hydrogeological consulting company, was started in September to provide a very high level of expertise in groundwater science.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 13 | 36 contacts → | ||||
Exact match “RMB Environmental Laboratories (RMB) is an independent, leading provider of comprehensive environmental testing solutions, founded in 1995.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 14 | 26 contacts → | ||||
Exact match “Envirotech Environmental Services is a trusted provider of remediation, IDW waste, and site services, delivering safe, responsive, and practical solutions for environmental…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 15 | 26 contacts → | ||||
Exact match “ES is an environmental engineering company specializing in matters of petroleum remediation, water/wastewater engineering and management, landfill engineering and monitoring…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 16 | 25 contacts → | ||||
Exact match “A.C.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 17 | 23 contacts → | ||||
Exact match “Geoscience Support Services (GEOSCIENCE) provides vital, specialized consulting to help clients overcome their most complex groundwater resource challenges.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 18 | 19 contacts → | ||||
Exact match “Corona Environmental Consulting, LLC provides consulting services to clients in the water community.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 19 | 19 contacts → | ||||
Exact match “Quality, Leadership, Value.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 20 | 18 contacts → | ||||
Exact match “BC2 Environmental is a California-based company specializing in environmental and geotechnical drilling.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 21 | 17 contacts → | ||||
Exact match “Capital Well Clean Water Center, since 1986, has provided the highest quality water care services.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 22 | 17 contacts → | ||||
Exact match “RESPONSIVE.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 23 | 16 contacts → | ||||
Exact match “ASRus, LLC, was founded in 2006 to provide hydrogeological and reuse related professional services to municipal and industrial clients in Florida.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 24 | 16 contacts → | ||||
Exact match “We are a full service water supply contractor, working in all phases of water well/system engineering and installation throughout the States of Indiana, Ohio, Illinois, and…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 25 | 16 contacts → | ||||
Exact match “Viking Drillers, Inc.” 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 monitoring services”. 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 369 groundwater monitoring services based in the United States
See the full list, filter by size, metro and specialty, and access 990 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Groundwater monitoring services 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 369 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 monitoring services” 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 990 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 monitoring services”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many groundwater monitoring services are there based in the United States?
RevenueBase identified 369 company matches for groundwater monitoring services 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?
In-Situ Environmental tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most groundwater monitoring services?
Houston leads with 7 company records, followed by Reno (4) and Austin (3).
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 990 professional contacts with verified work emails tracked across these 369 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 369 groundwater monitoring services based in the United States. Start with a free account, no credit card.
Download this list →Related lists
Groundwater monitoring services by geography
- Groundwater monitoring services based in Australia
- Groundwater monitoring services based in Brazil
- Groundwater monitoring services based in Canada
- Groundwater monitoring services based in Chile
- Groundwater monitoring services based in France
- Groundwater monitoring services based in Germany
- Groundwater monitoring services based in the Netherlands
- Groundwater monitoring services based in South Africa
- Groundwater monitoring services 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 monitoring services based in Australia
- Groundwater monitoring services based in Brazil
- Groundwater monitoring services based in Canada
- Groundwater monitoring services based in Chile
- Groundwater monitoring services based in France
- Groundwater monitoring services based in Germany
Company intelligence · public preview
Top 25 groundwater monitoring services 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 369 matching company records for groundwater monitoring services based in the United States, with 2,588 tracked contacts and 990 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 monitoring services 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 |  In-Situ Environmentalin-situ.comHQ: Fort Collins, CO, United StatesReported employees: 201-500 | Fort Collins, CO, United States | 201-500 | Exact match | 170 contacts → |
“In-Situ simplifies water monitoring for surface water, coastal, groundwater, aquaculture, drinking water and wastewater applications with reliable, low-maintenance instrumentation…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | 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. | |||||
| 3 | Hydro Resources Holdings, INChydroresources.com HQ: Sugar Land, TX, United StatesReported employees: 201-500 | Sugar Land, TX, United States | 201-500 | Exact match | 92 contacts → |
“Hydro Resources specializes in providing the complete solution in the development and maintenance of your groundwater project.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  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. | |||||
| 5 |  Microseismic, INCmicroseismic.comHQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 79 contacts → |
“Specialist in Real-Time Completions Intelligence for Fracture Geometry & Efficiency | Geohazards | Stress Field | CCUS | Geothermal | FDI | Sinkhole Detection | Induced Seismicity…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  QED Environmental Systems Americasqedenv.comHQ: Dexter, MI, United StatesReported employees: 51-200 | Dexter, MI, United States | 51-200 | Exact match | 71 contacts → |
“QED Environmental Systems is the world's leading provider of environmental technology solutions.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  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. | |||||
| 8 |  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. | |||||
| 9 | Weisinger Incorporatedweisingerinc.com HQ: Willis, TX, United StatesReported employees: 201-500 | Willis, TX, United States | 201-500 | Exact match | 56 contacts → |
“Authentic relationships are standard practice at Weisinger Incorporated.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Vibranalysis INCvibranalysisinc.comHQ: Bronx, NY, United StatesReported employees: 51-200 | Bronx, NY, United States | 51-200 | Exact match | 46 contacts → |
“Vibranalysis is a leader in geotechnical, structural, and environmental monitoring in New York City with over 38 years of industry experience.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | 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. | |||||
| 12 | Clear Creek Associatesclearcreekassociates.com HQ: Scottsdale, AZ, United StatesReported employees: 11-50 | Scottsdale, AZ, United States | 11-50 | Exact match | 42 contacts → |
“Clear Creek Associates, a hydrogeological consulting company, was started in September to provide a very high level of expertise in groundwater science.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  RMB Environmental Laboratories INCrmbel.comHQ: Detroit Lakes, MN, United StatesReported employees: 51-200 | Detroit Lakes, MN, United States | 51-200 | Exact match | 36 contacts → |
“RMB Environmental Laboratories (RMB) is an independent, leading provider of comprehensive environmental testing solutions, founded in 1995.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Envirotech Environmental Services LLCenvirotech-services.com HQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 26 contacts → |
“Envirotech Environmental Services is a trusted provider of remediation, IDW waste, and site services, delivering safe, responsive, and practical solutions for environmental…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | ES Engineering Services, LLCmontrose-env.com HQ: Orange, CA, United StatesReported employees: 51-200 | Orange, CA, United States | 51-200 | Exact match | 26 contacts → |
“ES is an environmental engineering company specializing in matters of petroleum remediation, water/wastewater engineering and management, landfill engineering and monitoring…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  A.C. Schultes, INCacschultes.comHQ: Woodbury Heights, NJ, United StatesReported employees: 51-200 | Woodbury Heights, NJ, United States | 51-200 | Exact match | 25 contacts → |
“A.C.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Geoscience Support Services, INCgssiwater.comHQ: San Dimas, CA, United StatesReported employees: 11-50 | San Dimas, CA, United States | 11-50 | Exact match | 23 contacts → |
“Geoscience Support Services (GEOSCIENCE) provides vital, specialized consulting to help clients overcome their most complex groundwater resource challenges.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Corona Environmental Consulting, LLCcoronaenv.com HQ: Braintree, MA, United StatesReported employees: 11-50 | Braintree, MA, United States | 11-50 | Exact match | 19 contacts → |
“Corona Environmental Consulting, LLC provides consulting services to clients in the water community.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Core Environmental Consultants, INCcoreenv.com HQ: Buffalo, NY, United StatesReported employees: 11-50 | Buffalo, NY, United States | 11-50 | Exact match | 19 contacts → |
“Quality, Leadership, Value.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Bc2 Environmentalbc2env.com HQ: Orange, CA, United StatesReported employees: 51-200 | Orange, CA, United States | 51-200 | Exact match | 18 contacts → |
“BC2 Environmental is a California-based company specializing in environmental and geotechnical drilling.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Capital Well Clean Water Centercapitalwell.com HQ: Dunbarton, NH, United StatesReported employees: 11-50 | Dunbarton, NH, United States | 11-50 | Exact match | 17 contacts → |
“Capital Well Clean Water Center, since 1986, has provided the highest quality water care services.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Eastern Analytical, INCeasternanalytical.com HQ: Concord, NH, United StatesReported employees: 11-50 | Concord, NH, United States | 11-50 | Exact match | 17 contacts → |
“RESPONSIVE.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Asrus, LLCasrus.netHQ: Tampa, FL, United StatesReported employees: 11-50 | Tampa, FL, United States | 11-50 | Exact match | 16 contacts → |
“ASRus, LLC, was founded in 2006 to provide hydrogeological and reuse related professional services to municipal and industrial clients in Florida.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Ortman Drilling And Water Servicesortmandrilling.com HQ: Kokomo, IN, United StatesReported employees: 11-50 | Kokomo, IN, United States | 11-50 | Exact match | 16 contacts → |
“We are a full service water supply contractor, working in all phases of water well/system engineering and installation throughout the States of Indiana, Ohio, Illinois, and…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Viking Drillers INCvikingdrillersinc.com HQ: West Sacramento, CA, United StatesReported employees: 11-50 | West Sacramento, CA, United States | 11-50 | Exact match | 16 contacts → |
“Viking Drillers, Inc.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 369 company matches
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Groundwater monitoring services: 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
367 records in the displayed employee bands.
2 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 369 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 monitoring services?
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 monitoring services did RevenueBase find based in the United States?
The saved snapshot records 369 matching company records, 2,588 tracked contacts and 990 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 monitoring services by geography
- Groundwater monitoring services based in Australia
- Groundwater monitoring services based in Brazil
- Groundwater monitoring services based in Canada
- Groundwater monitoring services based in Chile
- Groundwater monitoring services based in France
- Groundwater monitoring services based in Germany
- Groundwater monitoring services based in the Netherlands
- Groundwater monitoring services based in South Africa
- Groundwater monitoring services based in the United Kingdom
Cite this list
RevenueBase Data Team. Top 25 groundwater monitoring services based in the United States. Snapshot: September 20, 2026. https://revenuebase.ai/companies/groundwater-monitoring-services/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 monitoring services based in Australia
- Groundwater monitoring services based in Brazil
- Groundwater monitoring services based in Canada
- Groundwater monitoring services based in Chile
- Groundwater monitoring services based in France
- Groundwater monitoring services based in Germany
Company intelligence · public preview
Top 25 groundwater monitoring services based in the United States
RevenueBase records 369 matching company records for groundwater monitoring services based in the United States, with 2,588 tracked contacts and 990 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 monitoring services 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 | In-Situ Environmentalin-situ.com HQ: Fort Collins, CO, United StatesReported employees: 201-500 | Fort Collins, CO, United States | 201-500 | Exact match | 170 contacts → |
“In-Situ simplifies water monitoring for surface water, coastal, groundwater, aquaculture, drinking water and wastewater applications with reliable, low-maintenance instrumentation…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | 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. | |||||
| 3 | Hydro Resources Holdings, INChydroresources.com HQ: Sugar Land, TX, United StatesReported employees: 201-500 | Sugar Land, TX, United States | 201-500 | Exact match | 92 contacts → |
“Hydro Resources specializes in providing the complete solution in the development and maintenance of your groundwater project.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | 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. | |||||
| 5 | Microseismic, INCmicroseismic.com HQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 79 contacts → |
“Specialist in Real-Time Completions Intelligence for Fracture Geometry & Efficiency | Geohazards | Stress Field | CCUS | Geothermal | FDI | Sinkhole Detection | Induced Seismicity…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | QED Environmental Systems Americasqedenv.com HQ: Dexter, MI, United StatesReported employees: 51-200 | Dexter, MI, United States | 51-200 | Exact match | 71 contacts → |
“QED Environmental Systems is the world's leading provider of environmental technology solutions.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | 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. | |||||
| 8 | 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. | |||||
| 9 | Weisinger Incorporatedweisingerinc.com HQ: Willis, TX, United StatesReported employees: 201-500 | Willis, TX, United States | 201-500 | Exact match | 56 contacts → |
“Authentic relationships are standard practice at Weisinger Incorporated.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Vibranalysis INCvibranalysisinc.com HQ: Bronx, NY, United StatesReported employees: 51-200 | Bronx, NY, United States | 51-200 | Exact match | 46 contacts → |
“Vibranalysis is a leader in geotechnical, structural, and environmental monitoring in New York City with over 38 years of industry experience.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | 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. | |||||
| 12 | Clear Creek Associatesclearcreekassociates.com HQ: Scottsdale, AZ, United StatesReported employees: 11-50 | Scottsdale, AZ, United States | 11-50 | Exact match | 42 contacts → |
“Clear Creek Associates, a hydrogeological consulting company, was started in September to provide a very high level of expertise in groundwater science.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | RMB Environmental Laboratories INCrmbel.com HQ: Detroit Lakes, MN, United StatesReported employees: 51-200 | Detroit Lakes, MN, United States | 51-200 | Exact match | 36 contacts → |
“RMB Environmental Laboratories (RMB) is an independent, leading provider of comprehensive environmental testing solutions, founded in 1995.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Envirotech Environmental Services LLCenvirotech-services.com HQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 26 contacts → |
“Envirotech Environmental Services is a trusted provider of remediation, IDW waste, and site services, delivering safe, responsive, and practical solutions for environmental…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | ES Engineering Services, LLCmontrose-env.com HQ: Orange, CA, United StatesReported employees: 51-200 | Orange, CA, United States | 51-200 | Exact match | 26 contacts → |
“ES is an environmental engineering company specializing in matters of petroleum remediation, water/wastewater engineering and management, landfill engineering and monitoring…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | A.C. Schultes, INCacschultes.com HQ: Woodbury Heights, NJ, United StatesReported employees: 51-200 | Woodbury Heights, NJ, United States | 51-200 | Exact match | 25 contacts → |
“A.C.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Geoscience Support Services, INCgssiwater.com HQ: San Dimas, CA, United StatesReported employees: 11-50 | San Dimas, CA, United States | 11-50 | Exact match | 23 contacts → |
“Geoscience Support Services (GEOSCIENCE) provides vital, specialized consulting to help clients overcome their most complex groundwater resource challenges.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Corona Environmental Consulting, LLCcoronaenv.com HQ: Braintree, MA, United StatesReported employees: 11-50 | Braintree, MA, United States | 11-50 | Exact match | 19 contacts → |
“Corona Environmental Consulting, LLC provides consulting services to clients in the water community.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Core Environmental Consultants, INCcoreenv.com HQ: Buffalo, NY, United StatesReported employees: 11-50 | Buffalo, NY, United States | 11-50 | Exact match | 19 contacts → |
“Quality, Leadership, Value.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Bc2 Environmentalbc2env.com HQ: Orange, CA, United StatesReported employees: 51-200 | Orange, CA, United States | 51-200 | Exact match | 18 contacts → |
“BC2 Environmental is a California-based company specializing in environmental and geotechnical drilling.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Capital Well Clean Water Centercapitalwell.com HQ: Dunbarton, NH, United StatesReported employees: 11-50 | Dunbarton, NH, United States | 11-50 | Exact match | 17 contacts → |
“Capital Well Clean Water Center, since 1986, has provided the highest quality water care services.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Eastern Analytical, INCeasternanalytical.com HQ: Concord, NH, United StatesReported employees: 11-50 | Concord, NH, United States | 11-50 | Exact match | 17 contacts → |
“RESPONSIVE.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Asrus, LLCasrus.net HQ: Tampa, FL, United StatesReported employees: 11-50 | Tampa, FL, United States | 11-50 | Exact match | 16 contacts → |
“ASRus, LLC, was founded in 2006 to provide hydrogeological and reuse related professional services to municipal and industrial clients in Florida.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Ortman Drilling And Water Servicesortmandrilling.com HQ: Kokomo, IN, United StatesReported employees: 11-50 | Kokomo, IN, United States | 11-50 | Exact match | 16 contacts → |
“We are a full service water supply contractor, working in all phases of water well/system engineering and installation throughout the States of Indiana, Ohio, Illinois, and…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Viking Drillers INCvikingdrillersinc.com HQ: West Sacramento, CA, United StatesReported employees: 11-50 | West Sacramento, CA, United States | 11-50 | Exact match | 16 contacts → |
“Viking Drillers, Inc.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 369 company matches
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Groundwater monitoring services: 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
367 records in the displayed employee bands.
2 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 369 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 monitoring services?
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 monitoring services did RevenueBase find based in the United States?
The saved snapshot records 369 matching company records, 2,588 tracked contacts and 990 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
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Cite this list
RevenueBase Data Team. Top 25 groundwater monitoring services based in the United States. Snapshot: September 20, 2026. https://revenuebase.ai/companies/groundwater-monitoring-services/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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- Groundwater monitoring services based in Australia
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