Company lists · Data refreshed November 2026
Top 25 Activated sludge process operators based in the United States
RevenueBase identified 350 company matches for activated sludge process operators associated with the United States as of November 2026 and tracks 5,831 professional contacts across them, including 2,268 with verified work emails. Atlanta is the largest hub.
This list covers company matches for activated sludge process operators 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.
The 25 largest activated sludge process operators based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 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 | 252 contacts → | ||||
Exact match “Rely on USABlueBook for everything you need for water and wastewater operations and maintenance.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 3 | 247 contacts → | ||||
Exact match “HUBER Technology, LLC, the U.S.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 4 | 234 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 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 | |||||
| 6 | 177 contacts → | ||||
Exact match “S&L delivers long-lasting, reliable and easy-to-operate wastewater pumping and treatment systems for municipal, federal, and industrial-commercial applications.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 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 | |||||
| 8 | 121 contacts → | ||||
Exact match “Ace Pipe Cleaning, Inc, headquartered in Kansas City, Missouri, is part of a nationwide network of 14 Carylon Corporation companies.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 111 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 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 | |||||
| 11 | 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 | |||||
| 12 | 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 | |||||
| 13 | 80 contacts → | ||||
Exact match “One name.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 80 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 75 contacts → | ||||
Exact match “Since 1982, Merrell Bros, Inc.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 71 contacts → | ||||
Exact match “Excellence in customer service and operations is why Municipal Operations & Consulting, Inc.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 65 contacts → | ||||
Exact match “Si Environmental, LLC, is a Texas-based company that leads the way in water and wastewater facility operations and maintenance.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 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 | |||||
| 19 | 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 | |||||
| 20 | 53 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 50 contacts → | ||||
Exact match “PeopleService is an employee-owned contract operations company for municipal and industrial water and wastewater facilities.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 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 | |||||
| 23 | 48 contacts → | ||||
Exact match “Monroe Environmental is a premier provider of water/wastewater treatment and air pollution control systems and services in the United States and throughout the world.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 24 | 45 contacts → | ||||
Exact match “Infrastructure Alternatives, Inc.(IAI) provides contract operations, maintenance and management services for water and wastewater utilities, for municipal governments, industries…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 25 | 43 contacts → | ||||
Exact match “The Leading Manufacturer of Reliable Rental, New and Used, Environmental Remediation Treatment Systems and Services to Consultants and their Clients and… The National Leader in…” 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 “activated sludge process operators”. 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 350 activated sludge process operators based in the United States
See the full list, filter by size, metro and specialty, and access 2,268 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Activated sludge process operators based in the United States at a glance
As of Nov 6, 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 350 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 “activated sludge process operators” 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 2,268 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 “activated sludge process operators”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many activated sludge process operators are there based in the United States?
RevenueBase identified 350 company matches for activated sludge process operators 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 activated sludge process operators?
Atlanta leads with 5 company records, followed by Cleveland (5) and Houston (5).
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 2,268 professional contacts with verified work emails tracked across these 350 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.
Ready to reach these companies? Verified emails and direct dials for all 350 activated sludge process operators based in the United States. Start with a free account, no credit card.
Download this list →Related lists
Activated sludge process operators by geography
- Activated sludge process operators based in Australia
- Activated sludge process operators based in Brazil
- Activated sludge process operators based in Canada
- Activated sludge process operators based in France
- Activated sludge process operators based in Germany
- Activated sludge process operators based in India
- Activated sludge process operators based in Italy
- Activated sludge process operators based in the Netherlands
- Activated sludge process operators based in Spain
- Activated sludge process operators 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
- Activated sludge process operators based in Australia
- Activated sludge process operators based in Brazil
- Activated sludge process operators based in Canada
- Activated sludge process operators based in France
- Activated sludge process operators based in Germany
- Activated sludge process operators based in India
Company intelligence · public preview
Top 25 activated sludge process operators 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 350 matching company records for activated sludge process operators based in the United States, with 5,831 tracked contacts and 2,268 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: November 6, 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 activated sludge process operators 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 |  Infiltrator Water Technologies Decentralized Wastewater Treatment Solutionsinfiltratorwater.comHQ: Old Saybrook, CT, United StatesReported employees: 1,001-5,000 | Old Saybrook, CT, United States | 1,001-5,000 | Exact match | 306 contacts → |
“Protecting the environment with innovative wastewater treatment solutions for over 35 years, Infiltrator is the leading manufacturer of onsite wastewater treatment products in…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Usabluebookusabluebook.comHQ: Waukegan, IL, United StatesReported employees: 5,001-10,000 | Waukegan, IL, United States | 5,001-10,000 | Exact match | 252 contacts → |
“Rely on USABlueBook for everything you need for water and wastewater operations and maintenance.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Huber Technology UShuber-technology.comHQ: Denver, NC, United StatesReported employees: 201-500 | Denver, NC, United States | 201-500 | Exact match | 247 contacts → |
“HUBER Technology, LLC, the U.S.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Aqua-Aerobic Systems, INCaqua-aerobic.comHQ: Loves Park, IL, United StatesReported employees: 51-200 | Loves Park, IL, United States | 51-200 | Exact match | 234 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 5 |  Newterranewterra.comHQ: Coraopolis, PA, United StatesReported employees: 201-500 | Coraopolis, PA, United States | 201-500 | Exact match | 195 contacts → |
“Newterra designs, engineers, manufactures, and services environmental, water and wastewater treatment solutions that assure great performance, superb reliability, and the highest…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Smith & Loveless INCsmithandloveless.comHQ: Lenexa, KS, United StatesReported employees: 201-500 | Lenexa, KS, United States | 201-500 | Exact match | 177 contacts → |
“S&L delivers long-lasting, reliable and easy-to-operate wastewater pumping and treatment systems for municipal, federal, and industrial-commercial applications.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Tomorrow Watertomorrowwater.comHQ: Anaheim, CA, United StatesReported employees: 51-200 | Anaheim, CA, United States | 51-200 | Exact match | 136 contacts → |
“Tomorrow Water is an innovative environmental solutions company specializing in both wastewater and organic waste treatment.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  ACE Pipe Cleaning INCacepipe.comHQ: Kansas City, TX, United StatesReported employees: 1,001-5,000 | Kansas City, TX, United States | 1,001-5,000 | Exact match | 121 contacts → |
“Ace Pipe Cleaning, Inc, headquartered in Kansas City, Missouri, is part of a nationwide network of 14 Carylon Corporation companies.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | OLD Bissnuss INCbissnussinc.com HQ: Loveland, OH, United StatesReported employees: 11-50 | Loveland, OH, United States | 11-50 | Exact match | 111 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 10 | World Water Works, INCworldwaterworks.com HQ: Oklahoma City, OK, United StatesReported employees: 51-200 | Oklahoma City, OK, United States | 51-200 | Exact match | 103 contacts → |
“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 description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  EDI Environmental Dynamics Internationalwastewater.comHQ: Columbia, MO, United StatesReported employees: 201-500 | Columbia, MO, United States | 201-500 | Exact match | 86 contacts → |
“Environmental Dynamics International (EDI) specializes in the research, development and application of advanced technology aeration and biological treatment solutions.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Water & Wastewater Equipment Companywwe-co.comHQ: Cleveland, OH, United StatesReported employees: 11-50 | Cleveland, OH, United States | 11-50 | Exact match | 83 contacts → |
“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 description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Kroff, INCkroff.comHQ: Pittsburgh, PA, United StatesReported employees: 51-200 | Pittsburgh, PA, United States | 51-200 | Exact match | 80 contacts → |
“One name.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Envirogen Technologies, INCenvirogen.com HQ: Kingwood, TX, United StatesReported employees: 51-200 | Kingwood, TX, United States | 51-200 | Exact match | 80 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 15 |  Merrell Bros., INCmerrellbros.comHQ: Kokomo, FL, United StatesReported employees: 201-500 | Kokomo, FL, United States | 201-500 | Exact match | 75 contacts → |
“Since 1982, Merrell Bros, Inc.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Municipal Operations & Consulting, INCmunicipalops.comHQ: Cypress, TX, United StatesReported employees: 201-500 | Cypress, TX, United States | 201-500 | Exact match | 71 contacts → |
“Excellence in customer service and operations is why Municipal Operations & Consulting, Inc.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  SI Environmental, LLCsienv.comHQ: Rosenberg, TX, United StatesReported employees: 201-500 | Rosenberg, TX, United States | 201-500 | Exact match | 65 contacts → |
“Si Environmental, LLC, is a Texas-based company that leads the way in water and wastewater facility operations and maintenance.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  The Probst Groupprobstgroup.comHQ: Hartland, WI, United StatesReported employees: 51-200 | Hartland, WI, United States | 51-200 | Exact match | 64 contacts → |
“The Probst Group, LLC (TPG) is an engineering firm specializing in industrial wastewater management.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  TSG Water Resources, INCtsgwater.comHQ: Gainesville, FL, United StatesReported employees: 11-50 | Gainesville, FL, United States | 11-50 | Exact match | 55 contacts → |
“We Design, Manufacture & Operate Water and Wastewater Treatment Plants.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Prochem INCprochemwater.com HQ: Elliston, VA, United StatesReported employees: 51-200 | Elliston, VA, United States | 51-200 | Exact match | 53 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 21 |  Peopleservice, INCpeopleservice.comHQ: Omaha, NE, United StatesReported employees: 51-200 | Omaha, NE, United States | 51-200 | Exact match | 50 contacts → |
“PeopleService is an employee-owned contract operations company for municipal and industrial water and wastewater facilities.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Orion Water Solutionsorionwatersolutions.comHQ: Austin, United StatesReported employees: 51-200 | Austin, United States | 51-200 | Exact match | 49 contacts → |
“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 description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Monroe Environmental Corpmon-env.comHQ: Monroe, GA, United StatesReported employees: 51-200 | Monroe, GA, United States | 51-200 | Exact match | 48 contacts → |
“Monroe Environmental is a premier provider of water/wastewater treatment and air pollution control systems and services in the United States and throughout the world.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Infrastructure Alternatives, INCiaiwater.comHQ: Rockford, MI, United StatesReported employees: 51-200 | Rockford, MI, United States | 51-200 | Exact match | 45 contacts → |
“Infrastructure Alternatives, Inc.(IAI) provides contract operations, maintenance and management services for water and wastewater utilities, for municipal governments, industries…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Proact Services Corporationproact-usa.comHQ: Ludington, MI, United StatesReported employees: 51-200 | Ludington, MI, United States | 51-200 | Exact match | 43 contacts → |
“The Leading Manufacturer of Reliable Rental, New and Used, Environmental Remediation Treatment Systems and Services to Consultants and their Clients and… The National Leader in…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 350 company matches
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Activated sludge process operators: dataset insights
November 6, 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
348 records in the displayed employee bands.
2 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 350 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: November 6, 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 activated sludge process operators?
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 activated sludge process operators did RevenueBase find based in the United States?
The saved snapshot records 350 matching company records, 5,831 tracked contacts and 2,268 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: November 6, 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
Activated sludge process operators by geography
- Activated sludge process operators based in Australia
- Activated sludge process operators based in Brazil
- Activated sludge process operators based in Canada
- Activated sludge process operators based in France
- Activated sludge process operators based in Germany
- Activated sludge process operators based in India
- Activated sludge process operators based in Italy
- Activated sludge process operators based in the Netherlands
- Activated sludge process operators based in Spain
- Activated sludge process operators based in the United Kingdom
Cite this list
RevenueBase Data Team. Top 25 activated sludge process operators based in the United States. Snapshot: November 6, 2026. https://revenuebase.ai/companies/activated-sludge-process-operators/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
- Activated sludge process operators based in Australia
- Activated sludge process operators based in Brazil
- Activated sludge process operators based in Canada
- Activated sludge process operators based in France
- Activated sludge process operators based in Germany
- Activated sludge process operators based in India
Company intelligence · public preview
Top 25 activated sludge process operators based in the United States
RevenueBase records 350 matching company records for activated sludge process operators based in the United States, with 5,831 tracked contacts and 2,268 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: November 6, 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 activated sludge process operators 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 | Infiltrator Water Technologies Decentralized Wastewater Treatment Solutionsinfiltratorwater.com HQ: Old Saybrook, CT, United StatesReported employees: 1,001-5,000 | Old Saybrook, CT, United States | 1,001-5,000 | Exact match | 306 contacts → |
“Protecting the environment with innovative wastewater treatment solutions for over 35 years, Infiltrator is the leading manufacturer of onsite wastewater treatment products in…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Usabluebookusabluebook.com HQ: Waukegan, IL, United StatesReported employees: 5,001-10,000 | Waukegan, IL, United States | 5,001-10,000 | Exact match | 252 contacts → |
“Rely on USABlueBook for everything you need for water and wastewater operations and maintenance.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Huber Technology UShuber-technology.com HQ: Denver, NC, United StatesReported employees: 201-500 | Denver, NC, United States | 201-500 | Exact match | 247 contacts → |
“HUBER Technology, LLC, the U.S.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Aqua-Aerobic Systems, INCaqua-aerobic.com HQ: Loves Park, IL, United StatesReported employees: 51-200 | Loves Park, IL, United States | 51-200 | Exact match | 234 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 5 | Newterranewterra.com HQ: Coraopolis, PA, United StatesReported employees: 201-500 | Coraopolis, PA, United States | 201-500 | Exact match | 195 contacts → |
“Newterra designs, engineers, manufactures, and services environmental, water and wastewater treatment solutions that assure great performance, superb reliability, and the highest…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Smith & Loveless INCsmithandloveless.com HQ: Lenexa, KS, United StatesReported employees: 201-500 | Lenexa, KS, United States | 201-500 | Exact match | 177 contacts → |
“S&L delivers long-lasting, reliable and easy-to-operate wastewater pumping and treatment systems for municipal, federal, and industrial-commercial applications.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Tomorrow Watertomorrowwater.com HQ: Anaheim, CA, United StatesReported employees: 51-200 | Anaheim, CA, United States | 51-200 | Exact match | 136 contacts → |
“Tomorrow Water is an innovative environmental solutions company specializing in both wastewater and organic waste treatment.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | ACE Pipe Cleaning INCacepipe.com HQ: Kansas City, TX, United StatesReported employees: 1,001-5,000 | Kansas City, TX, United States | 1,001-5,000 | Exact match | 121 contacts → |
“Ace Pipe Cleaning, Inc, headquartered in Kansas City, Missouri, is part of a nationwide network of 14 Carylon Corporation companies.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | OLD Bissnuss INCbissnussinc.com HQ: Loveland, OH, United StatesReported employees: 11-50 | Loveland, OH, United States | 11-50 | Exact match | 111 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 10 | World Water Works, INCworldwaterworks.com HQ: Oklahoma City, OK, United StatesReported employees: 51-200 | Oklahoma City, OK, United States | 51-200 | Exact match | 103 contacts → |
“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 description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | EDI Environmental Dynamics Internationalwastewater.com HQ: Columbia, MO, United StatesReported employees: 201-500 | Columbia, MO, United States | 201-500 | Exact match | 86 contacts → |
“Environmental Dynamics International (EDI) specializes in the research, development and application of advanced technology aeration and biological treatment solutions.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Water & Wastewater Equipment Companywwe-co.com HQ: Cleveland, OH, United StatesReported employees: 11-50 | Cleveland, OH, United States | 11-50 | Exact match | 83 contacts → |
“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 description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Kroff, INCkroff.com HQ: Pittsburgh, PA, United StatesReported employees: 51-200 | Pittsburgh, PA, United States | 51-200 | Exact match | 80 contacts → |
“One name.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Envirogen Technologies, INCenvirogen.com HQ: Kingwood, TX, United StatesReported employees: 51-200 | Kingwood, TX, United States | 51-200 | Exact match | 80 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 15 | Merrell Bros., INCmerrellbros.com HQ: Kokomo, FL, United StatesReported employees: 201-500 | Kokomo, FL, United States | 201-500 | Exact match | 75 contacts → |
“Since 1982, Merrell Bros, Inc.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Municipal Operations & Consulting, INCmunicipalops.com HQ: Cypress, TX, United StatesReported employees: 201-500 | Cypress, TX, United States | 201-500 | Exact match | 71 contacts → |
“Excellence in customer service and operations is why Municipal Operations & Consulting, Inc.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | SI Environmental, LLCsienv.com HQ: Rosenberg, TX, United StatesReported employees: 201-500 | Rosenberg, TX, United States | 201-500 | Exact match | 65 contacts → |
“Si Environmental, LLC, is a Texas-based company that leads the way in water and wastewater facility operations and maintenance.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | The Probst Groupprobstgroup.com HQ: Hartland, WI, United StatesReported employees: 51-200 | Hartland, WI, United States | 51-200 | Exact match | 64 contacts → |
“The Probst Group, LLC (TPG) is an engineering firm specializing in industrial wastewater management.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | TSG Water Resources, INCtsgwater.com HQ: Gainesville, FL, United StatesReported employees: 11-50 | Gainesville, FL, United States | 11-50 | Exact match | 55 contacts → |
“We Design, Manufacture & Operate Water and Wastewater Treatment Plants.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Prochem INCprochemwater.com HQ: Elliston, VA, United StatesReported employees: 51-200 | Elliston, VA, United States | 51-200 | Exact match | 53 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 21 | Peopleservice, INCpeopleservice.com HQ: Omaha, NE, United StatesReported employees: 51-200 | Omaha, NE, United States | 51-200 | Exact match | 50 contacts → |
“PeopleService is an employee-owned contract operations company for municipal and industrial water and wastewater facilities.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Orion Water Solutionsorionwatersolutions.com HQ: Austin, United StatesReported employees: 51-200 | Austin, United States | 51-200 | Exact match | 49 contacts → |
“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 description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Monroe Environmental Corpmon-env.com HQ: Monroe, GA, United StatesReported employees: 51-200 | Monroe, GA, United States | 51-200 | Exact match | 48 contacts → |
“Monroe Environmental is a premier provider of water/wastewater treatment and air pollution control systems and services in the United States and throughout the world.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Infrastructure Alternatives, INCiaiwater.com HQ: Rockford, MI, United StatesReported employees: 51-200 | Rockford, MI, United States | 51-200 | Exact match | 45 contacts → |
“Infrastructure Alternatives, Inc.(IAI) provides contract operations, maintenance and management services for water and wastewater utilities, for municipal governments, industries…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Proact Services Corporationproact-usa.com HQ: Ludington, MI, United StatesReported employees: 51-200 | Ludington, MI, United States | 51-200 | Exact match | 43 contacts → |
“The Leading Manufacturer of Reliable Rental, New and Used, Environmental Remediation Treatment Systems and Services to Consultants and their Clients and… The National Leader in…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
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Activated sludge process operators: dataset insights
November 6, 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
348 records in the displayed employee bands.
2 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 350 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: November 6, 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 activated sludge process operators?
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 activated sludge process operators did RevenueBase find based in the United States?
The saved snapshot records 350 matching company records, 5,831 tracked contacts and 2,268 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: November 6, 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.
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Cite this list
RevenueBase Data Team. Top 25 activated sludge process operators based in the United States. Snapshot: November 6, 2026. https://revenuebase.ai/companies/activated-sludge-process-operators/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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