Company lists · Data refreshed October 2026

Top 19 Greywater system contractors based in the United States

RevenueBase identified 37 company matches for greywater system contractors associated with the United States as of October 2026 and tracks 219 professional contacts across them, including 96 with verified work emails. Bend is the largest hub.

This list covers company matches for greywater system 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Oct 13, 2026 How this list was built
37Companies
219Contacts tracked
96Verified emails
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The 19 largest greywater system contractors based in the United States

Ranked by team size
Top 19 of 37 company matches for greywater system contractors based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 13, 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 matchLenexa, KS, United StatesHQ recorded Oct 13, 202651-20030 contacts →

Exact match

“Water | Wastewater | Greywater | Stormwater BioMicrobics, SeptiTech, and Scienco/FAST manufacture integrated, sustainable, water utilization treatment systems land and sea.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
2Exact matchSan Francisco, CA, United StatesHQ recorded Oct 13, 202611-5026 contacts →

Exact match

“Buildings globally use around 15% of all potable water, but very few buildings reuse that water.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
3Exact matchCumming, GA, United StatesHQ recorded Oct 13, 202611-5020 contacts →

Exact match

“RainHarvest Systems is your comprehensive resource for residential and commercial water harvesting, treatment and reuse products and systems.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
4Exact matchAustin, TX, United StatesHQ recorded Oct 13, 202611-5018 contacts →

Exact match

“Innovative Water Solutions LLC is a full-service water conservation system design / build company that specializes in integrated water demand and supply management for residential…”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
5Exact matchCincinnati, OH, United StatesHQ recorded Oct 13, 202611-5017 contacts →

Exact match

“At Streamkey Inc, we specialize in custom engineered water and wastewater systems for a variety of commercial and residential applications.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
6Exact matchHinsdale, IL, United StatesHQ recorded Oct 13, 20261-109 contacts →

Exact match

“At Water Harvesting Solutions (Wahaso), we are a team that brings experience, skill and passion about water conservation to every client project.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
7Exact matchOrem, UT, United StatesHQ recorded Oct 13, 202611-508 contacts →

Exact match

“Crusader Utah is a licensed water treatment and general contractor serving the Wasatch Front.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
8Exact matchHampton, NH, United StatesHQ recorded Oct 13, 202611-507 contacts →

Exact match

“Water Treatment Solutions custom designs and installs patented and patent pending water filtration and recycling systems developed for the varied water needs of the stone, glass…”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
9Exact matchMiami Beach, FL, United StatesHQ recorded Oct 13, 20261-106 contacts →

Exact match

“In collaboration with engineers, architects, and developers, we are building a more secure world by helping communities achieve water resilience, where potable water is protected.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
10Exact matchLos Angeles, CA, United StatesHQ recorded Oct 13, 20261-105 contacts →

Exact match

“Greywater Corps is the only company in the Los Angeles area specializing in water resiliency.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
11Exact matchHolland, MI, United StatesHQ recorded Oct 13, 202611-504 contacts →

Exact match

“Residential and Commercial Irrigation Contractor servicing West Michigan.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
12Exact matchLawrence, MA, United StatesHQ recorded Oct 13, 20261-103 contacts →

Exact match

“Clivus Multrum, Inc, designs, manufactures, and sells composting toilets and greywater irrigation systems, with the aim of conserving water and keeping the nutrients in human…”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
13Exact matchSan Jose, CA, United StatesHQ recorded Oct 13, 202611-502 contacts →

Exact match

“A Sustainable Landscaping Cooperative set out to help the Santa Clara County conserve its precious resources by saving on water, energy & maintenance costs.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
14Exact matchSan Diego, CA, United StatesHQ recorded Oct 13, 20261-102 contacts →

Exact match

“At CatchingH2O, we help homeowners, businesses, and organizations create smarter, more resilient water systems through rainwater harvesting and greywater reuse.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
15Exact matchGambrills, MD, United StatesHQ recorded Oct 13, 20261-102 contacts →

Exact match

“Custom Lawn Systems.LLC is a premier irrigation contractor located in Maryland.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
16Exact matchMountain View, CA, United StatesHQ recorded Oct 13, 20261-102 contacts →

Exact match

“Our mission is to preserve the world's water for future generations and protect our customers from rising water costs.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
17Exact matchCedar Park, TX, United StatesHQ recorded Oct 13, 20261-101 contacts →

Exact match

Recorded description not available.

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

Exact match

“Cactus Rain LLC helps people throughout New Mexico reduce water consumption, harvest rainwater, and reuse greywater in inspired ways.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
19Exact matchSt. Louis, MO, United StatesHQ recorded Oct 13, 20261-101 contacts →

Exact match

“Laero is a design studio specializing in clean, innovative building technologies.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase

Showing 19 of 37 greywater system contractors based in the United States

See the full list, filter by size, metro and specialty, and access 96 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Greywater system contractors based in the United States at a glance

As of Oct 13, 2026
43.8%Verified-email coverage
5.9Average contacts per company
1-10Median size (employees)
5.4%Largest-city concentration · Bend
Oct 13, 2026Page data refreshed

Companies by employee count

1-10
25
11-50
10
51-200
2

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 37 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 “greywater system 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 96 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 “greywater system contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many greywater system contractors are there based in the United States?

RevenueBase identified 37 company matches for greywater system 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?

Biomicrobics, Inc. tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most greywater system contractors?

Bend leads with 2 company records, followed by Cincinnati (2) and Lawrence (2).

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 96 professional contacts with verified work emails tracked across these 37 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.

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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.