Company lists · Data refreshed October 2026
Top 25 Groundwater well contractors based in the United States
RevenueBase identified 506 company matches for groundwater well contractors associated with the United States as of October 2026 and tracks 3,004 professional contacts across them, including 509 with verified work emails. Midland is the largest hub.
This list covers company matches for groundwater well contractors 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 October 13, 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 well contractors based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 118 contacts → | ||||
Exact match “GWTT is one of the only U.S.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 2 | 56 contacts → | ||||
Exact match “Authentic relationships are standard practice at Weisinger Incorporated.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 3 | 52 contacts → | ||||
Exact match “We at Allied Well Drilling are a full service commercial and residential gethermal heating/cooling system installer, specializing in vertically drilled closed loop systems.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 4 | 28 contacts → | ||||
Exact match “Diedrich Drill is a full service manufacturer of top quality drilling equipment for the geotechnical, environmental, geothermal, and groundwater industries.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 5 | 28 contacts → | ||||
Exact match “Weber Water Resources vision is to be the Industry Leader in Innovative and Strategic Water Resource Solutions.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 6 | 25 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 · Oct 13, 2026 · View company records in RevenueBase | |||||
| 7 | 23 contacts → | ||||
Exact match “A.C.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 8 | 23 contacts → | ||||
Exact match “Florida Drilling is a licensed water well and general contractor and leading provider of water well drilling and water resource construction services located in West Palm Beach…” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 9 | 23 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 10 | 22 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 11 | 22 contacts → | ||||
Exact match “With roots dating back to 1959, our combined legacy brings together the strengths of Valley Farms Supply and Milan Supply Company.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 12 | 21 contacts → | ||||
Exact match “C&J Well Company is Central Indiana's premier drilling and full service well contractor company.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 13 | 21 contacts → | ||||
Exact match “GEFCO is a world leader in the water well drilling industry, manufacturing portable drilling rigs and related equipment for the water well, environmental, groundwater monitoring…” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 14 | 19 contacts → | ||||
Exact match “General Contractor specializing in Well Drilling, Well Rehabilitation, Pump Installation & Repair, and Controls for municipal, industrial & recreational clients throughout the…” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 15 | 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 · Oct 13, 2026 · View company records in RevenueBase | |||||
| 16 | 17 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 · Oct 13, 2026 · View company records in RevenueBase | |||||
| 17 | 16 contacts → | ||||
Exact match “We are a water well drilling and pump company.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 18 | 15 contacts → | ||||
Exact match “Water Well Solutions Service Group, LLC.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 19 | 15 contacts → | ||||
Exact match “We specialize in: Angle or Vertical, Dual Tube/ RC and Conventional Rotary Drilling.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 20 | 14 contacts → | ||||
Exact match “Subsurface Technologies, Inc provides standard and specialized groundwater services to the municipal, industrial, residential and investor owned water utility markets.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 21 | 14 contacts → | ||||
Exact match “Founded in 1977, Madera Pumps is a full-service pump and well services provider that serves farming operations, municipalities, domestic homes and Irrigation Districts in the…” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 22 | 12 contacts → | ||||
Exact match “Clearwater Resources is a full service water management, well drilling and pump service company serving the oil and gas industry.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 23 | 11 contacts → | ||||
Exact match “Sydnor Hydro is an international trade and development company based out of Magnolia St, Richmond, Virginia, United States.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 24 | 11 contacts → | ||||
Exact match “RICHARD C.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 25 | 11 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 13, 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 well contractors”. 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 506 groundwater well contractors based in the United States
See the full list, filter by size, metro and specialty, and access 509 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Groundwater well contractors based in the United States at a glance
As of Oct 13, 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 506 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 well contractors” 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 509 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 October 13, 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 well contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many groundwater well contractors are there based in the United States?
RevenueBase identified 506 company matches for groundwater well contractors associated with the United States as of October 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?
Ground Water Treatment & Technology, LLC tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most groundwater well contractors?
Midland leads with 7 company records, followed by Houston (5) and Rochester (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 509 professional contacts with verified work emails tracked across these 506 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 October 13, 2026.
Ready to reach these companies? Verified emails and direct dials for all 506 groundwater well contractors based in the United States. Start with a free account, no credit card.
Download this list →Related lists
Groundwater well contractors by geography
- Groundwater well contractors based in Australia
- Groundwater well contractors based in Brazil
- Groundwater well contractors based in Canada
- Groundwater well contractors based in Chile
- Groundwater well contractors based in Germany
- Groundwater well contractors based in the Netherlands
- Groundwater well contractors 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 well contractors based in Australia
- Groundwater well contractors based in Brazil
- Groundwater well contractors based in Canada
- Groundwater well contractors based in Chile
- Groundwater well contractors based in Germany
- Groundwater well contractors based in the Netherlands
Company intelligence · public preview
Top 25 groundwater well contractors 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 506 matching company records for groundwater well contractors based in the United States, with 3,004 tracked contacts and 509 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: October 13, 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 well contractors 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 | Ground Water Treatment & Technology, LLCgwttllc.com HQ: Wharton, NJ, United StatesReported employees: 51-200 | Wharton, NJ, United States | 51-200 | Exact match | 118 contacts → |
“GWTT is one of the only U.S.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | 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 · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Allied Well Drillingalliedwells.comHQ: Laurel, MD, United StatesReported employees: 51-200 | Laurel, MD, United States | 51-200 | Exact match | 52 contacts → |
“We at Allied Well Drilling are a full service commercial and residential gethermal heating/cooling system installer, specializing in vertically drilled closed loop systems.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Diedrich Drilldiedrichdrill.com HQ: La Porte, IN, United StatesReported employees: 11-50 | La Porte, IN, United States | 11-50 | Exact match | 28 contacts → |
“Diedrich Drill is a full service manufacturer of top quality drilling equipment for the geotechnical, environmental, geothermal, and groundwater industries.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Weber Water Resourcesweberwaterresources.comHQ: Southwestern, AZ, United StatesReported employees: 51-200 | Southwestern, AZ, United States | 51-200 | Exact match | 28 contacts → |
“Weber Water Resources vision is to be the Industry Leader in Innovative and Strategic Water Resource Solutions.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Geoscience Support Services, INCgssiwater.comHQ: San Dimas, CA, United StatesReported employees: 11-50 | San Dimas, CA, United States | 11-50 | Exact match | 25 contacts → |
“Geoscience Support Services (GEOSCIENCE) provides vital, specialized consulting to help clients overcome their most complex groundwater resource challenges.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  A.C. Schultes, INCacschultes.comHQ: Woodbury Heights, NJ, United StatesReported employees: 51-200 | Woodbury Heights, NJ, United States | 51-200 | Exact match | 23 contacts → |
“A.C.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Florida Drillingfldrilling.com HQ: West Palm Beach, FL, United StatesReported employees: 51-200 | West Palm Beach, FL, United States | 51-200 | Exact match | 23 contacts → |
“Florida Drilling is a licensed water well and general contractor and leading provider of water well drilling and water resource construction services located in West Palm Beach…” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Griner Drilling Service, INCgrinerdrillingservice.com HQ: Columbia, MS, United StatesReported employees: 51-200 | Columbia, MS, United States | 51-200 | Exact match | 23 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 10 | General Pump Company, INCgenpump.com HQ: San Dimas, CA, United StatesReported employees: 51-200 | San Dimas, CA, United States | 51-200 | Exact match | 22 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 11 | Valley Farms Supplyheadwaterco.com HQ: Lansing, MI, United StatesReported employees: 11-50 | Lansing, MI, United States | 11-50 | Exact match | 22 contacts → |
“With roots dating back to 1959, our combined legacy brings together the strengths of Valley Farms Supply and Milan Supply Company.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | C&j Well COcj4water.com HQ: Brownsburg, IN, United StatesReported employees: 11-50 | Brownsburg, IN, United States | 11-50 | Exact match | 21 contacts → |
“C&J Well Company is Central Indiana's premier drilling and full service well contractor company.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | GEFCOgefco.com HQ: Conroe, TX, United StatesReported employees: 51-200 | Conroe, TX, United States | 51-200 | Exact match | 21 contacts → |
“GEFCO is a world leader in the water well drilling industry, manufacturing portable drilling rigs and related equipment for the water well, environmental, groundwater monitoring…” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Municipal Well & Pumpmunicipalwellandpump.com HQ: Waupun, WI, United StatesReported employees: 11-50 | Waupun, WI, United States | 11-50 | Exact match | 19 contacts → |
“General Contractor specializing in Well Drilling, Well Rehabilitation, Pump Installation & Repair, and Controls for municipal, industrial & recreational clients throughout the…” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | 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 · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Ortman Drilling And Water Servicesortmandrilling.com HQ: Kokomo, IN, United StatesReported employees: 11-50 | Kokomo, IN, United States | 11-50 | Exact match | 17 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 · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | KP Ventures Drilling & Pumpkpventureswelldrilling.com HQ: Camp Verde, AZ, United StatesReported employees: 51-200 | Camp Verde, AZ, United States | 51-200 | Exact match | 16 contacts → |
“We are a water well drilling and pump company.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | HQ: Oconomowoc, WI, United StatesReported employees: 11-50 | Oconomowoc, WI, United States | 11-50 | Exact match | 15 contacts → |
“Water Well Solutions Service Group, LLC.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Harris Exploration Drilling An Earth Drilling USA Companyharrisexploration.com HQ: Fallon, NV, United StatesReported employees: 11-50 | Fallon, NV, United States | 11-50 | Exact match | 15 contacts → |
“We specialize in: Angle or Vertical, Dual Tube/ RC and Conventional Rotary Drilling.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Subsurface Technologies, INCsubsurfacetech.com HQ: Rock Tavern, NY, United StatesReported employees: 11-50 | Rock Tavern, NY, United States | 11-50 | Exact match | 14 contacts → |
“Subsurface Technologies, Inc provides standard and specialized groundwater services to the municipal, industrial, residential and investor owned water utility markets.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Madera Pumpsmaderapumps.com HQ: Madera, CA, United StatesReported employees: 11-50 | Madera, CA, United States | 11-50 | Exact match | 14 contacts → |
“Founded in 1977, Madera Pumps is a full-service pump and well services provider that serves farming operations, municipalities, domestic homes and Irrigation Districts in the…” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Clearwater Resourcescwtexas.net HQ: Midland, TX, United StatesReported employees: 51-200 | Midland, TX, United States | 51-200 | Exact match | 12 contacts → |
“Clearwater Resources is a full service water management, well drilling and pump service company serving the oil and gas industry.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Sydnor Hydrosydnorhydro.com HQ: Richmond, VA, United StatesReported employees: 11-50 | Richmond, VA, United States | 11-50 | Exact match | 11 contacts → |
“Sydnor Hydro is an international trade and development company based out of Magnolia St, Richmond, Virginia, United States.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Richard C. Slade & Associates LLCrcslade.com HQ: Van Nuys, CA, United StatesReported employees: 1-10 | Van Nuys, CA, United States | 1-10 | Exact match | 11 contacts → |
“RICHARD C.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Deletedawwtec.com HQ: Sunnyvale, CA, United StatesReported employees: 1-10 | Sunnyvale, CA, United States | 1-10 | Exact match | 11 contacts → |
No recorded description excerpt is available for this public record. | |||||
Showing 25 of 506 company matches
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Groundwater well contractors: dataset insights
October 13, 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
503 records in the displayed employee bands.
3 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 506 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: October 13, 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 well contractors?
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 well contractors did RevenueBase find based in the United States?
The saved snapshot records 506 matching company records, 3,004 tracked contacts and 509 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: October 13, 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 well contractors by geography
- Groundwater well contractors based in Australia
- Groundwater well contractors based in Brazil
- Groundwater well contractors based in Canada
- Groundwater well contractors based in Chile
- Groundwater well contractors based in Germany
- Groundwater well contractors based in the Netherlands
- Groundwater well contractors based in the United Kingdom
Cite this list
RevenueBase Data Team. Top 25 groundwater well contractors based in the United States. Snapshot: October 13, 2026. https://revenuebase.ai/companies/groundwater-well-contractors/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 well contractors based in Australia
- Groundwater well contractors based in Brazil
- Groundwater well contractors based in Canada
- Groundwater well contractors based in Chile
- Groundwater well contractors based in Germany
- Groundwater well contractors based in the Netherlands
Company intelligence · public preview
Top 25 groundwater well contractors based in the United States
RevenueBase records 506 matching company records for groundwater well contractors based in the United States, with 3,004 tracked contacts and 509 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: October 13, 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 well contractors 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 | Ground Water Treatment & Technology, LLCgwttllc.com HQ: Wharton, NJ, United StatesReported employees: 51-200 | Wharton, NJ, United States | 51-200 | Exact match | 118 contacts → |
“GWTT is one of the only U.S.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | 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 · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Allied Well Drillingalliedwells.com HQ: Laurel, MD, United StatesReported employees: 51-200 | Laurel, MD, United States | 51-200 | Exact match | 52 contacts → |
“We at Allied Well Drilling are a full service commercial and residential gethermal heating/cooling system installer, specializing in vertically drilled closed loop systems.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Diedrich Drilldiedrichdrill.com HQ: La Porte, IN, United StatesReported employees: 11-50 | La Porte, IN, United States | 11-50 | Exact match | 28 contacts → |
“Diedrich Drill is a full service manufacturer of top quality drilling equipment for the geotechnical, environmental, geothermal, and groundwater industries.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Weber Water Resourcesweberwaterresources.com HQ: Southwestern, AZ, United StatesReported employees: 51-200 | Southwestern, AZ, United States | 51-200 | Exact match | 28 contacts → |
“Weber Water Resources vision is to be the Industry Leader in Innovative and Strategic Water Resource Solutions.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Geoscience Support Services, INCgssiwater.com HQ: San Dimas, CA, United StatesReported employees: 11-50 | San Dimas, CA, United States | 11-50 | Exact match | 25 contacts → |
“Geoscience Support Services (GEOSCIENCE) provides vital, specialized consulting to help clients overcome their most complex groundwater resource challenges.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | A.C. Schultes, INCacschultes.com HQ: Woodbury Heights, NJ, United StatesReported employees: 51-200 | Woodbury Heights, NJ, United States | 51-200 | Exact match | 23 contacts → |
“A.C.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Florida Drillingfldrilling.com HQ: West Palm Beach, FL, United StatesReported employees: 51-200 | West Palm Beach, FL, United States | 51-200 | Exact match | 23 contacts → |
“Florida Drilling is a licensed water well and general contractor and leading provider of water well drilling and water resource construction services located in West Palm Beach…” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Griner Drilling Service, INCgrinerdrillingservice.com HQ: Columbia, MS, United StatesReported employees: 51-200 | Columbia, MS, United States | 51-200 | Exact match | 23 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 10 | General Pump Company, INCgenpump.com HQ: San Dimas, CA, United StatesReported employees: 51-200 | San Dimas, CA, United States | 51-200 | Exact match | 22 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 11 | Valley Farms Supplyheadwaterco.com HQ: Lansing, MI, United StatesReported employees: 11-50 | Lansing, MI, United States | 11-50 | Exact match | 22 contacts → |
“With roots dating back to 1959, our combined legacy brings together the strengths of Valley Farms Supply and Milan Supply Company.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | C&j Well COcj4water.com HQ: Brownsburg, IN, United StatesReported employees: 11-50 | Brownsburg, IN, United States | 11-50 | Exact match | 21 contacts → |
“C&J Well Company is Central Indiana's premier drilling and full service well contractor company.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | GEFCOgefco.com HQ: Conroe, TX, United StatesReported employees: 51-200 | Conroe, TX, United States | 51-200 | Exact match | 21 contacts → |
“GEFCO is a world leader in the water well drilling industry, manufacturing portable drilling rigs and related equipment for the water well, environmental, groundwater monitoring…” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Municipal Well & Pumpmunicipalwellandpump.com HQ: Waupun, WI, United StatesReported employees: 11-50 | Waupun, WI, United States | 11-50 | Exact match | 19 contacts → |
“General Contractor specializing in Well Drilling, Well Rehabilitation, Pump Installation & Repair, and Controls for municipal, industrial & recreational clients throughout the…” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | 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 · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Ortman Drilling And Water Servicesortmandrilling.com HQ: Kokomo, IN, United StatesReported employees: 11-50 | Kokomo, IN, United States | 11-50 | Exact match | 17 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 · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | KP Ventures Drilling & Pumpkpventureswelldrilling.com HQ: Camp Verde, AZ, United StatesReported employees: 51-200 | Camp Verde, AZ, United States | 51-200 | Exact match | 16 contacts → |
“We are a water well drilling and pump company.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | HQ: Oconomowoc, WI, United StatesReported employees: 11-50 | Oconomowoc, WI, United States | 11-50 | Exact match | 15 contacts → |
“Water Well Solutions Service Group, LLC.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Harris Exploration Drilling An Earth Drilling USA Companyharrisexploration.com HQ: Fallon, NV, United StatesReported employees: 11-50 | Fallon, NV, United States | 11-50 | Exact match | 15 contacts → |
“We specialize in: Angle or Vertical, Dual Tube/ RC and Conventional Rotary Drilling.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Subsurface Technologies, INCsubsurfacetech.com HQ: Rock Tavern, NY, United StatesReported employees: 11-50 | Rock Tavern, NY, United States | 11-50 | Exact match | 14 contacts → |
“Subsurface Technologies, Inc provides standard and specialized groundwater services to the municipal, industrial, residential and investor owned water utility markets.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Madera Pumpsmaderapumps.com HQ: Madera, CA, United StatesReported employees: 11-50 | Madera, CA, United States | 11-50 | Exact match | 14 contacts → |
“Founded in 1977, Madera Pumps is a full-service pump and well services provider that serves farming operations, municipalities, domestic homes and Irrigation Districts in the…” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Clearwater Resourcescwtexas.net HQ: Midland, TX, United StatesReported employees: 51-200 | Midland, TX, United States | 51-200 | Exact match | 12 contacts → |
“Clearwater Resources is a full service water management, well drilling and pump service company serving the oil and gas industry.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Sydnor Hydrosydnorhydro.com HQ: Richmond, VA, United StatesReported employees: 11-50 | Richmond, VA, United States | 11-50 | Exact match | 11 contacts → |
“Sydnor Hydro is an international trade and development company based out of Magnolia St, Richmond, Virginia, United States.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Richard C. Slade & Associates LLCrcslade.com HQ: Van Nuys, CA, United StatesReported employees: 1-10 | Van Nuys, CA, United States | 1-10 | Exact match | 11 contacts → |
“RICHARD C.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Deletedawwtec.com HQ: Sunnyvale, CA, United StatesReported employees: 1-10 | Sunnyvale, CA, United States | 1-10 | Exact match | 11 contacts → |
No recorded description excerpt is available for this public record. | |||||
Showing 25 of 506 company matches
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Groundwater well contractors: dataset insights
October 13, 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
503 records in the displayed employee bands.
3 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 506 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: October 13, 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 well contractors?
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 well contractors did RevenueBase find based in the United States?
The saved snapshot records 506 matching company records, 3,004 tracked contacts and 509 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: October 13, 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 well contractors based in the United States. Snapshot: October 13, 2026. https://revenuebase.ai/companies/groundwater-well-contractors/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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