Company lists · Data refreshed October 2026

Top 14 Modular water treatment system manufacturers based in Houston, United States

RevenueBase identified 25 company matches for modular water treatment system manufacturers associated with Houston, United States as of October 2026 and tracks 261 professional contacts across them, including 68 with verified work emails. Across the United States, Houston is the largest hub for this category.

This list covers company matches for modular water treatment system manufacturers associated with Houston, 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 18, 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Oct 18, 2026 How this list was built
25Companies
261Contacts tracked
68Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 14 largest modular water treatment system manufacturers based in Houston, United States

Ranked by team size
Top 14 of 25 company matches for modular water treatment system manufacturers based in Houston, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 18, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchHouston, TX, United StatesHQ recorded Oct 18, 202651-20060 contacts →

Exact match

“Founded in 1970 and based in Houston, Texas, AUC Group has redefined water and wastewater treatment with unmatched flexibility in project timelines, financing, equipment, and…”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
2Exact matchHouston, TX, United StatesHQ recorded Oct 18, 202651-20046 contacts →

Exact match

“Every day, Headworks International devotes its considerable resources to meet the world’s demand for our most precious resource: clean water.”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
3Exact matchHouston, TX, United StatesHQ recorded Oct 18, 2026201-50038 contacts →

Exact match

“Athlon, a Halliburton Service, provides specialty water and process treatment chemicals, customized engineering solutions, and services to the industrial sector, including the…”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
4Exact matchHouston, United StatesHQ recorded Oct 18, 202611-5025 contacts →

Exact match

“Water Standard, a global leader in water treatment, is committed to providing innovative solutions for the energy industry’s water challenges.”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
5Exact matchHouston, TX, United StatesHQ recorded Oct 18, 202611-5024 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
6Exact matchHouston, TX, United StatesHQ recorded Oct 18, 202611-5015 contacts →

Exact match

“Our solutions allow our clients to recycle and reuse water, improve operational efficiencies and reduce their environmental footprints.”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
7Exact matchHouston, TX, United StatesHQ recorded Oct 18, 202611-5012 contacts →

Exact match

“Headquartered in Houston, TX Expansa Inc builds on a rich tradition of commitment of providing premium water treatment services at a great value to our customers.”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
8Exact matchHouston, TX, United StatesHQ recorded Oct 18, 20261-107 contacts →

Exact match

“WETS LLC is a Houston based company formed in 1976.”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
9Exact matchHouston, TX, United StatesHQ recorded Oct 18, 202611-504 contacts →

Exact match

“Global provider of Reverse Osmosis (RO) and water purification equipment.”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
10Exact matchHouston, TX, United StatesHQ recorded Oct 18, 20261-103 contacts →

Exact match

“We design, manufacture, and sell water and chemical treatment equipment that improve the efficienty and environmental footprint of our clients' operations.”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
11Exact matchHouston, TX, United StatesHQ recorded Oct 18, 202611-502 contacts →

Exact match

“Powering Performance in Demanding Environments since 1967.”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
12Exact matchHouston, TX, United StatesHQ recorded Oct 18, 20261-102 contacts →

Exact match

“SolMem LLC is a dynamic Houston-based technology startup that emerged from the esteemed partnership between Rice University and the National Science Foundation's Nanosystems…”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
13Exact matchHouston, TX, United StatesHQ recorded Oct 18, 20261-101 contacts →

Exact match

“Since its founding in 1991, Enpure has provided water treatment process equipment and services to the industrial and commercial markets.”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
14Exact matchHouston, TX, United StatesHQ recorded Oct 18, 20261-101 contacts →

Exact match

“Promar Process is a Solution Based Provider of Water Treatment Equipment and Systems for Oilfield applications.”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase

Showing 14 of 25 modular water treatment system manufacturers based in Houston, United States

See the full list, filter by size, metro and specialty, and access 68 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Modular water treatment system manufacturers based in Houston, United States at a glance

As of Oct 18, 2026
26.1%Verified-email coverage
10.4Average contacts per company
11-50Median size (employees)
Oct 18, 2026Page data refreshed

Companies by employee count

1-10
12
11-50
8
51-200
3
201-500
2

Email recency for this list is measured across the whole United States list rather than for Houston, so it is reported there. Company counts and contact totals on this page are exact for Houston, over 25 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 Houston, United States whose business descriptions match “modular water treatment system manufacturers” 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 68 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 18, 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 “modular water treatment system manufacturers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many modular water treatment system manufacturers are there based in Houston, United States?

RevenueBase identified 25 company matches for modular water treatment system manufacturers associated with Houston, 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?

AUC Group tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city in the United States has the most modular water treatment system manufacturers?

Houston leads the United States with 25 company records, followed by Austin (10) and Miami (10).

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 68 professional contacts with verified work emails tracked across these 25 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 18, 2026.

Ready to reach these companies? Verified emails and direct dials for all 25 modular water treatment system manufacturers based in Houston, United States. Start with a free account, no credit card.

Download this list →

Related lists

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.