Company lists · Data refreshed November 2026

Top 25 Decentralized wastewater system designers based in the United States

Name: Decentralized wastewater system designers based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 290 companies tracked

RevenueBase identified 290 company matches for decentralized wastewater system designers associated with the United States as of November 2026 and tracks 4,190 professional contacts across them, including 1,763 with verified work emails. Austin is the largest hub.

This list covers company matches for decentralized wastewater system designers 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 November 6, 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 Nov 6, 2026 How this list was built

290Companies

4,190Contacts tracked

1,763Verified emails

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The 25 largest decentralized wastewater system designers based in the United States

Ranked by team size

Top 25 of 290 company matches for decentralized wastewater system designers based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Infiltrator Water Technologies Decentralized Wastewater Treatment Solutions	Exact match	Old Saybrook, CT, United StatesHQ recorded Nov 6, 2026	1,001-5,000	306 contacts →
	Exact match “Protecting the environment with innovative wastewater treatment solutions for over 35 years, Infiltrator is the leading manufacturer of onsite wastewater treatment products in…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2	Newterra	Exact match	Coraopolis, PA, United StatesHQ recorded Nov 6, 2026	201-500	195 contacts →
	Exact match “Newterra designs, engineers, manufactures, and services environmental, water and wastewater treatment solutions that assure great performance, superb reliability, and the highest…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3	Fluence Corporation	Exact match	Minneapolis, MN, United StatesHQ recorded Nov 6, 2026	201-500	195 contacts →
	Exact match “Formed in 2017 following the consolidation of independent water treatment solution providers Emefcy and RWL Water, Fluence Corporation was established with the vision of becoming…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4	Orenco Systems, INC	Exact match	Sutherlin, OR, United StatesHQ recorded Nov 6, 2026	201-500	177 contacts →
	Exact match “Nobody wants to worry about whether their wastewater is contaminating nearby rivers, streams, and wells.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5	Tomorrow Water	Exact match	Anaheim, CA, United StatesHQ recorded Nov 6, 2026	51-200	136 contacts →
	Exact match “Tomorrow Water is an innovative environmental solutions company specializing in both wastewater and organic waste treatment.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6	Filanc	Exact match	Escondido, CO, United StatesHQ recorded Nov 6, 2026	201-500	132 contacts →
	Exact match “Headquartered in Escondido, California, Filanc is an award-winning, general engineering and design-build contractor that solely constructs, renovates, and expands water and…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7	Integrated Water Services	Exact match	Austin, TX, United StatesHQ recorded Nov 6, 2026	51-200	118 contacts →
	Exact match “We make water better.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8	World Water Works, INC	Exact match	Oklahoma City, OK, United StatesHQ recorded Nov 6, 2026	51-200	103 contacts →
	Exact match “At World Water Works, we strive to provide industrial and municipal customers with proven and cost-effective wastewater treatment solutions that deliver superior effluent quality.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9	EDI Environmental Dynamics International	Exact match	Columbia, MO, United StatesHQ recorded Nov 6, 2026	201-500	86 contacts →
	Exact match “Environmental Dynamics International (EDI) specializes in the research, development and application of advanced technology aeration and biological treatment solutions.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10	Water & Wastewater Equipment Company	Exact match	Cleveland, OH, United StatesHQ recorded Nov 6, 2026	11-50	83 contacts →
	Exact match “Water and Wastewater Equipment Company has been providing efficient, cost-effective and compliant solutions to water and wastewater treatment applications for over 30 years.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11	Watertectonics	Exact match	Everett, WA, United StatesHQ recorded Nov 6, 2026	11-50	69 contacts →
	Exact match “Established in WaterTectonics designs, manufactures, deploys and services integrated water treatment solutions for clients in oil & gas, mining, industrial and construction…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12	Clear Creek Systems	Exact match	Bakersfield, OH, United StatesHQ recorded Nov 6, 2026	51-200	66 contacts →
	Exact match “Clear Creek Systems is a leading provider of water treatment systems and services.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13	The Probst Group	Exact match	Hartland, WI, United StatesHQ recorded Nov 6, 2026	51-200	64 contacts →
	Exact match “The Probst Group, LLC (TPG) is an engineering firm specializing in industrial wastewater management.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14	AUC Group	Exact match	Houston, TX, United StatesHQ recorded Nov 6, 2026	51-200	64 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 · Nov 6, 2026 · View company records in RevenueBase
15	TSG Water Resources, INC	Exact match	Gainesville, FL, United StatesHQ recorded Nov 6, 2026	11-50	55 contacts →
	Exact match “We Design, Manufacture & Operate Water and Wastewater Treatment Plants.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16	Prochem INC	Exact match	Elliston, VA, United StatesHQ recorded Nov 6, 2026	51-200	53 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17	Orion Water Solutions	Exact match	Austin, United StatesHQ recorded Nov 6, 2026	51-200	49 contacts →
	Exact match “ORION Water Solutions is composed of a group of industry proven water treatment engineers, automation experts, field operators, and technicians who have treated over 1 billion…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18	Cambrian	Exact match	Houston, TX, United StatesHQ recorded Nov 6, 2026	51-200	46 contacts →
	Exact match “At Cambrian our vision is simple: industry is an ecosystem.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19	Clearstream Environmental, INC	Exact match	Sandy, UT, United StatesHQ recorded Nov 6, 2026	51-200	38 contacts →
	Exact match “ClearStream Environmental engineers high-performance water and wastewater treatment solutions for municipal and industrial applications.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20	ANUA	Exact match	Greensboro, NC, United StatesHQ recorded Nov 6, 2026	11-50	33 contacts →
	Exact match “Anua is an American company that provides sustainable Clean Water and Clean Air solutions for the Western Hemisphere.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21	Triplepoint Environmental	Exact match	Centennial, CO, United StatesHQ recorded Nov 6, 2026	11-50	32 contacts →
	Exact match “At Triplepoint Environmental, we believe lagoons do it better.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22	Rice Lake West	Exact match	Golden, CO, United StatesHQ recorded Nov 6, 2026	11-50	31 contacts →
	Exact match “As an award-winning constructor of municipal, federal, and private sector water and wastewater treatment facilities, Stanek Constructors self-performs much of their work…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23	Gulf Coast Underground	Exact match	Theodore, AL, United StatesHQ recorded Nov 6, 2026	51-200	31 contacts →
	Exact match “Design Build Solutions for Wastewater Collection Systems and Treatment Facilities.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24	Practical Applications, INC	Exact match	Woburn, MA, United StatesHQ recorded Nov 6, 2026	11-50	30 contacts →
	Exact match “Practical Applications Inc.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25	Carroll Water Systems, INC	Exact match	Cockeysville, VA, United StatesHQ recorded Nov 6, 2026	11-50	30 contacts →
	Exact match “Company Overview: Carroll Water Systems has been locally owned and operated since 1983.” Recorded in the RevenueBase company graph · Nov 6, 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 “decentralized wastewater system designers”. 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 290 decentralized wastewater system designers based in the United States

See the full list, filter by size, metro and specialty, and access 1,763 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Decentralized wastewater system designers based in the United States at a glance

As of Nov 6, 2026

42.1%Verified-email coverage

14.4Average contacts per company

11-50Median size (employees)

3.1%Largest-city concentration · Austin

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

123

11-50

121

51-200

201-500

1,001-5,000

5,001-10,000

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 290 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 “decentralized wastewater system designers” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch: Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview: The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality: RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
Ranking: Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification: Every displayed company carries at least one verified work email. RevenueBase tracks 1,763 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 November 6, 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 “decentralized wastewater system designers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many decentralized wastewater system designers are there based in the United States?

RevenueBase identified 290 company matches for decentralized wastewater system designers associated with the United States as of November 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?

Infiltrator Water Technologies Decentralized Wastewater Treatment Solutions tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most decentralized wastewater system designers?

Austin leads with 9 company records, followed by Houston (5) and Charlotte (4).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 1,763 professional contacts with verified work emails tracked across these 290 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 November 6, 2026.

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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.