Company lists · Data refreshed November 2026

Top 25 Septic system designers worldwide

RevenueBase identified 433 company matches for septic system designers worldwide as of November 2026 and tracks 1,481 professional contacts across them, including 493 with verified work emails. The United States is the largest market and San Antonio the largest hub.

This list covers company matches for septic system designers worldwide, 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. Country and city lists for septic system designers follow the table.

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
433Companies
1,481Contacts tracked
493Verified emails
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The 25 largest septic system designers worldwide

Ranked by team size
Top 25 of 433 company matches for septic system designers worldwide, 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchMarlborough, MA, United StatesHQ recorded Nov 6, 2026501-1,000323 contacts →

Exact match

“Your Septic, Grease and Drain Service Experts!”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchBréal-sous-montfort, FranceHQ recorded Nov 6, 2026201-50049 contacts →

Exact match

“Established in 2007, AQUATIRIS is an international network of design offices and installers specialising in eco-friendly domestic waste water treatment system.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchGloucester, United KingdomHQ recorded Nov 6, 202611-5029 contacts →

Exact match

“At WCSEE we collaborate closely with our clients to design and deliver reliable, robust, and future-proofed wastewater systems tailored to site specific requirements.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchHorsham, PA, United StatesHQ recorded Nov 6, 202651-20024 contacts →

Exact match

“FRANC Environmental delivers a full spectrum of septic system and wastewater management services to homeowners, businesses, and municipalities in Pennsylvania, New Jersey, and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchBishop Auckland, United KingdomHQ recorded Nov 6, 202651-20021 contacts →

Exact match

“RA Dalton are a thriving family business and undertake projects throughout the whole of the UK combining experience and expertise in the installation and maintenance of Klargester…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchEagle Creek, OR, United StatesHQ recorded Nov 6, 202611-5021 contacts →

Exact match

“Speedy Septic is the largest septic system services company in the Pacific Northwest.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchLakeville, MA, United StatesHQ recorded Nov 6, 202651-20017 contacts →

Exact match

“Septic services have been Bay State Sewage’s specialty for over 30 years.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchUnited StatesHQ recorded Nov 6, 202611-5013 contacts →

Exact match

“Triple R Construction is an information technology and services company based out of United States.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchBrantford, ON, CanadaHQ recorded Nov 6, 202611-5012 contacts →

Exact match

“ESSE Canada is the leader in septic system maintenance and inspection services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchEdmonton, AB, CanadaHQ recorded Nov 6, 202611-5012 contacts →

Exact match

“PROFESSIONALS YOU CAN TRUST-Customers are the most important people in the world.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchVictoria, BC, CanadaHQ recorded Nov 6, 202611-5010 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchHampton, NJ, United StatesHQ recorded Nov 6, 20261-1010 contacts →

Exact match

“Founded in 1994, Bayer-Risse Engineering, Inc.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchGig Harbor, WA, United StatesHQ recorded Nov 6, 202611-509 contacts →

Exact match

“Septic Tank Pumping and Repairs - Drain Line Cleaning/Rooter Service - Pump Repair & Replacement - Drain Field Jetting - Storm Drain Cleaning - Certified County Required -…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchThree Lakes, WI, United StatesHQ recorded Nov 6, 202611-509 contacts →

Exact match

“Onsite Installer Magazine - Promoting Wastewater Treatment Quality and Professional Excellence.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchMilaca, MN, United StatesHQ recorded Nov 6, 202611-509 contacts →

Exact match

“We design, install, repair, operate and maintain septic systems.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchBoerne, TX, United StatesHQ recorded Nov 6, 202611-507 contacts →

Exact match

“Van Delden Wastewater Systems is the leading wastewater system company in South Texas in providing professional design, installation, repair, maintenance, and inspections on all…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchVero Beach, GA, United StatesHQ recorded Nov 6, 20261-107 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchMilford, VA, United StatesHQ recorded Nov 6, 20261-107 contacts →

Exact match

“With over 50 years combined experience, Drainfield Solutions offers alternative and conventional septic installations for residential and commercial clients in NORVA and the…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchManassas, VA, United StatesHQ recorded Nov 6, 202611-506 contacts →

Exact match

“Founded in 1987, SES has satisfied thousands of clients just like you with soil interpretations, environmental investigations and septic-drainfield designs, decentralized…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchPiedmont, QC, CanadaHQ recorded Nov 6, 202611-506 contacts →

Exact match

“Chez Soluo, on ne fait que des installations septiques.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchSnohomish, WA, United StatesHQ recorded Nov 6, 202611-506 contacts →

Exact match

“As a local business, we’re not just your service provider, we’re you neighbors.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchRaynham, MA, United StatesHQ recorded Nov 6, 202611-506 contacts →

Exact match

“J&R Sales and Service has been providing engineered solutions for the onsite industry in New England for over 20 years.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchCharlton, United StatesHQ recorded Nov 6, 20261-106 contacts →

Exact match

“Helgerson Excavating and Septic pumps septic tanks, excavates, installs septic tanks and maintains and repairs septic systems.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchWarwick, RI, United StatesHQ recorded Nov 6, 20261-106 contacts →

Exact match

“Green Wastewater Solutions is a provider of Innovative/Alternative Septic Systems and specializes in the Sales, Installation, Operation and Maintenance of these systems throughout…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchDerwent Park, AustraliaHQ recorded Nov 6, 202611-505 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 433 septic system designers worldwide

See the full list, filter by size, metro and specialty, and access 493 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Septic system designers worldwide at a glance

As of Nov 6, 2026
33.3%Verified-email coverage
3.4Average contacts per company
1-10Median size (employees)
0.7%Largest-city concentration · San Antonio
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
304
11-50
104
51-200
9
201-500
2
501-1,000
1

Email recency is reported on each country list linked below.

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.
Coverage
Every country. Country and city lists for septic system designers are linked below.
What qualifies
Company records worldwide whose business descriptions match “septic 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. 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 493 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.

Septic system designers by location

2 lists · largest first

Every Septic system designers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

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 “septic system designers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many septic system designers are there worldwide?

RevenueBase identified 433 company matches for septic system designers worldwide 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?

Wind River Environmental tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most septic system designers?

The United States leads with 319 companies, followed by Canada (39). Every septic system designers list by country and city is linked on this page.

Which city has the most septic system designers?

San Antonio leads with 3 company records, followed by Auburn (2) and Austin (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 493 professional contacts with verified work emails tracked across these 433 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.