Company lists · Data refreshed November 2026
Top 25 Water & wastewater contract operating services based in the United States
RevenueBase identified 1,028 company matches for water & wastewater contract operating services associated with the United States as of November 2026 and tracks 21,656 professional contacts across them, including 8,960 with verified work emails. Houston is the largest hub.
This list covers company matches for water & wastewater contract operating services 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 3, 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 water & wastewater contract operating services based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 1,263 contacts → | ||||
Exact match “Established in 1918, WSSC Water is currently among the largest water and wastewater utilities in the nation, with a network of nearly miles of drinking water pipeline and over…” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase | |||||
| 2 | 1,107 contacts → | ||||
Exact match “As an Azuria owned company, Inframark is a widely recognized leader in Water Infrastructure Operations and Infrastructure Management Services.” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase | |||||
| 3 | 462 contacts → | ||||
Exact match “As a leading U.S.” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase | |||||
| 4 | 360 contacts → | ||||
Exact match “Parkson Corporation is a supplier of innovative, cost effective solutions for potable water, process water, and industrial and municipal wastewater treatment.” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase | |||||
| 5 | 283 contacts → | ||||
Exact match “Toho Water Authority was established in 2003 by a special act of the Florida legislature and provides a full range of water, wastewater and reclaimed water services to its…” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase | |||||
| 6 | 276 contacts → | ||||
Exact match “Keystone Clearwater Solutions is moving water forward with engineered solutions for safer, more efficient water transfer, water management, and environmental services.” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase | |||||
| 7 | 258 contacts → | ||||
Exact match “Valicor is a trusted partner for sustainable waste management solutions.” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase | |||||
| 8 | 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 3, 2026 · View company records in RevenueBase | |||||
| 9 | 248 contacts → | ||||
Exact match “ALCOSAN is one of the Pittsburgh region’s premiere environmental and public health organizations, treating wastewater for 83 Allegheny County communities, including the City of…” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase | |||||
| 10 | 243 contacts → | ||||
Exact match “Pennsylvania American Water, a subsidiary of American Water (NYSE: AWK), is the largest investor-owned water utility in the state, providing high-quality and reliable water and/or…” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase | |||||
| 11 | 234 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase | |||||
| 12 | 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 3, 2026 · View company records in RevenueBase | |||||
| 13 | 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 3, 2026 · View company records in RevenueBase | |||||
| 14 | 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 3, 2026 · View company records in RevenueBase | |||||
| 15 | 168 contacts → | ||||
Exact match “The Metropolitan District (MDC) is a non-profit municipal corporation chartered by the Connecticut General Assembly in 1929 to provide potable water and sewerage services on a…” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase | |||||
| 16 | 165 contacts → | ||||
Exact match “Middlesex Water Company (NASDAQ:MSEX) provides a full range of regulated and non-regulated water, wastewater utility and related services primarily in New Jersey and Delaware.” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase | |||||
| 17 | 163 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase | |||||
| 18 | 157 contacts → | ||||
Exact match “100% Employee Owned LB Water has been providing quality water and wastewater solutions for decades.” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase | |||||
| 19 | 155 contacts → | ||||
Exact match “The third largest water utility department in the State of Florida, the Palm Beach County Water Utilities Department (PBCWUD) provides drinking water, wastewater collection and…” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase | |||||
| 20 | 152 contacts → | ||||
Exact match “National Water Main Cleaning Co.” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase | |||||
| 21 | 144 contacts → | ||||
Exact match “Our priority is to provide safe, reliable, and cost-effective water and wastewater treatment solutions through our Water-as-a-Service® approach.” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase | |||||
| 22 | 143 contacts → | ||||
Exact match “Reynolds Construction, LLC, is an employee owned, customer focused, performance driven, service company providing sustainable solutions to the water, wastewater, and renewable…” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase | |||||
| 23 | 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 3, 2026 · View company records in RevenueBase | |||||
| 24 | 129 contacts → | ||||
Exact match “At Rice Lake Construction Group, we know water.” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase | |||||
| 25 | 127 contacts → | ||||
Exact match “Water Reclamation Plant” Recorded in the RevenueBase company graph · Nov 3, 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 “water & wastewater contract operating services”. 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 1,028 water & wastewater contract operating services based in the United States
See the full list, filter by size, metro and specialty, and access 8,960 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Water & wastewater contract operating services based in the United States at a glance
As of Nov 3, 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 1,028 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 “water & wastewater contract operating services” 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 8,960 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 3, 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 “water & wastewater contract operating services”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many water & wastewater contract operating services are there based in the United States?
RevenueBase identified 1,028 company matches for water & wastewater contract operating services 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?
Wssc Water tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most water & wastewater contract operating services?
Houston leads with 16 company records, followed by Phoenix (12) and Tampa (7).
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 8,960 professional contacts with verified work emails tracked across these 1,028 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 3, 2026.
Ready to reach these companies? Verified emails and direct dials for all 1,028 water & wastewater contract operating services based in the United States. Start with a free account, no credit card.
Download this list →Related lists
Water & wastewater contract operating services by geography
- Water & wastewater contract operating services based in Ahmedabad, India
- Water & wastewater contract operating services based in Mumbai, India
- Water & wastewater contract operating services based in Australia
- Water & wastewater contract operating services based in Belgium
- Water & wastewater contract operating services based in Brazil
- Water & wastewater contract operating services based in Canada
- Water & wastewater contract operating services based in Chile
- Water & wastewater contract operating services based in Colombia
- Water & wastewater contract operating services based in Czechia
- Water & wastewater contract operating services based in Denmark
- Water & wastewater contract operating services based in Egypt
- Water & wastewater contract operating services based in Finland
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
- Water & wastewater contract operating services based in Ahmedabad, India
- Water & wastewater contract operating services based in Mumbai, India
- Water & wastewater contract operating services based in Australia
- Water & wastewater contract operating services based in Belgium
- Water & wastewater contract operating services based in Brazil
- Water & wastewater contract operating services based in Canada
Company intelligence · public preview
Top 25 water & wastewater contract operating services 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 1,028 matching company records for water & wastewater contract operating services based in the United States, with 21,656 tracked contacts and 8,960 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 3, 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 water & wastewater contract operating services 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 | Wssc Waterwsscwater.com HQ: Laurel, MD, United StatesReported employees: 1,001-5,000 | Laurel, MD, United States | 1,001-5,000 | Exact match | 1,263 contacts → |
“Established in 1918, WSSC Water is currently among the largest water and wastewater utilities in the nation, with a network of nearly miles of drinking water pipeline and over…” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Inframarkinframark.com HQ: Horsham, PA, United StatesReported employees: 1,001-5,000 | Horsham, PA, United States | 1,001-5,000 | Exact match | 1,107 contacts → |
“As an Azuria owned company, Inframark is a widely recognized leader in Water Infrastructure Operations and Infrastructure Management Services.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | MWHmwhconstructors.com HQ: Broomfield, CO, United StatesReported employees: 501-1,000 | Broomfield, CO, United States | 501-1,000 | Exact match | 462 contacts → |
“As a leading U.S.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Parkson Corporationparkson.comHQ: Fort Lauderdale, KS, United StatesReported employees: 51-200 | Fort Lauderdale, KS, United States | 51-200 | Exact match | 360 contacts → |
“Parkson Corporation is a supplier of innovative, cost effective solutions for potable water, process water, and industrial and municipal wastewater treatment.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Toho Water Authoritytohowater.com HQ: Kissimmee, FL, United StatesReported employees: 501-1,000 | Kissimmee, FL, United States | 501-1,000 | Exact match | 283 contacts → |
“Toho Water Authority was established in 2003 by a special act of the Florida legislature and provides a full range of water, wastewater and reclaimed water services to its…” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Keystone Clearwater Solutionskeystoneclear.com HQ: Hershey, PA, United StatesReported employees: 501-1,000 | Hershey, PA, United States | 501-1,000 | Exact match | 276 contacts → |
“Keystone Clearwater Solutions is moving water forward with engineered solutions for safer, more efficient water transfer, water management, and environmental services.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Valicorvalicor.comHQ: Monroe, MD, United StatesReported employees: 201-500 | Monroe, MD, United States | 201-500 | Exact match | 258 contacts → |
“Valicor is a trusted partner for sustainable waste management solutions.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | 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 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Alcosanalcosan.orgHQ: Pittsburgh, United StatesReported employees: 201-500 | Pittsburgh, United States | 201-500 | Exact match | 248 contacts → |
“ALCOSAN is one of the Pittsburgh region’s premiere environmental and public health organizations, treating wastewater for 83 Allegheny County communities, including the City of…” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Pennsylvania American Wateramwater.comHQ: Mechanicsburg, PA, United StatesReported employees: 1,001-5,000 | Mechanicsburg, PA, United States | 1,001-5,000 | Exact match | 243 contacts → |
“Pennsylvania American Water, a subsidiary of American Water (NYSE: AWK), is the largest investor-owned water utility in the state, providing high-quality and reliable water and/or…” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  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. | |||||
| 12 |  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 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Fluence Corporationfluencecorp.comHQ: Minneapolis, MN, United StatesReported employees: 201-500 | Minneapolis, MN, United States | 201-500 | Exact match | 195 contacts → |
“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 description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  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 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Metropolitan District Commissionthemdc.org HQ: Hartford, CT, United StatesReported employees: 501-1,000 | Hartford, CT, United States | 501-1,000 | Exact match | 168 contacts → |
“The Metropolitan District (MDC) is a non-profit municipal corporation chartered by the Connecticut General Assembly in 1929 to provide potable water and sewerage services on a…” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Middlesex Water Companymiddlesexwater.com HQ: Iselin, DE, United StatesReported employees: 201-500 | Iselin, DE, United States | 201-500 | Exact match | 165 contacts → |
“Middlesex Water Company (NASDAQ:MSEX) provides a full range of regulated and non-regulated water, wastewater utility and related services primarily in New Jersey and Delaware.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Ruby-Collins, INCruby-collins.com HQ: Smyrna, GA, United StatesReported employees: 201-500 | Smyrna, GA, United States | 201-500 | Exact match | 163 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 18 | LB Waterlbh2o.com HQ: Selinsgrove, PA, United StatesReported employees: 201-500 | Selinsgrove, PA, United States | 201-500 | Exact match | 157 contacts → |
“100% Employee Owned LB Water has been providing quality water and wastewater solutions for decades.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Palm Beach County Water Utilities Departmentpbcwater.com HQ: West Palm Beach, FL, United StatesReported employees: 501-1,000 | West Palm Beach, FL, United States | 501-1,000 | Exact match | 155 contacts → |
“The third largest water utility department in the State of Florida, the Palm Beach County Water Utilities Department (PBCWUD) provides drinking water, wastewater collection and…” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | National Water Main Cleaning Companynwmcc-bos.com HQ: Kearny, CT, United StatesReported employees: 51-200 | Kearny, CT, United States | 51-200 | Exact match | 152 contacts → |
“National Water Main Cleaning Co.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Seven Seas Water Groupsevenseaswater.comHQ: Tampa, FL, United StatesReported employees: 51-200 | Tampa, FL, United States | 51-200 | Exact match | 144 contacts → |
“Our priority is to provide safe, reliable, and cost-effective water and wastewater treatment solutions through our Water-as-a-Service® approach.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Reynolds Construction, LLCreynoldscon.com HQ: Orleans, IN, United StatesReported employees: 201-500 | Orleans, IN, United States | 201-500 | Exact match | 143 contacts → |
“Reynolds Construction, LLC, is an employee owned, customer focused, performance driven, service company providing sustainable solutions to the water, wastewater, and renewable…” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | 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 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Rice Lake Construction Groupricelake.org HQ: Deerwood, MN, United StatesReported employees: 201-500 | Deerwood, MN, United States | 201-500 | Exact match | 129 contacts → |
“At Rice Lake Construction Group, we know water.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | UOSAuosa.org HQ: Leesburg, VA, United StatesReported employees: 51-200 | Leesburg, VA, United States | 51-200 | Exact match | 127 contacts → |
“Water Reclamation Plant” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 1,028 company matches
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Water & wastewater contract operating services: dataset insights
November 3, 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
1,023 records in the displayed employee bands.
5 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 1,028 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 3, 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 water & wastewater contract operating services?
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 water & wastewater contract operating services did RevenueBase find based in the United States?
The saved snapshot records 1,028 matching company records, 21,656 tracked contacts and 8,960 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 3, 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
Water & wastewater contract operating services by geography
- Water & wastewater contract operating services based in Ahmedabad, India
- Water & wastewater contract operating services based in Mumbai, India
- Water & wastewater contract operating services based in Australia
- Water & wastewater contract operating services based in Belgium
- Water & wastewater contract operating services based in Brazil
- Water & wastewater contract operating services based in Canada
- Water & wastewater contract operating services based in Chile
- Water & wastewater contract operating services based in Colombia
- Water & wastewater contract operating services based in Czechia
- Water & wastewater contract operating services based in Denmark
- Water & wastewater contract operating services based in Egypt
- Water & wastewater contract operating services based in Finland
Cite this list
RevenueBase Data Team. Top 25 water & wastewater contract operating services based in the United States. Snapshot: November 3, 2026. https://revenuebase.ai/companies/water-wastewater-contract-operating-services/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
- Water & wastewater contract operating services based in Ahmedabad, India
- Water & wastewater contract operating services based in Mumbai, India
- Water & wastewater contract operating services based in Australia
- Water & wastewater contract operating services based in Belgium
- Water & wastewater contract operating services based in Brazil
- Water & wastewater contract operating services based in Canada
Company intelligence · public preview
Top 25 water & wastewater contract operating services based in the United States
RevenueBase records 1,028 matching company records for water & wastewater contract operating services based in the United States, with 21,656 tracked contacts and 8,960 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 3, 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 water & wastewater contract operating services 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 | Wssc Waterwsscwater.com HQ: Laurel, MD, United StatesReported employees: 1,001-5,000 | Laurel, MD, United States | 1,001-5,000 | Exact match | 1,263 contacts → |
“Established in 1918, WSSC Water is currently among the largest water and wastewater utilities in the nation, with a network of nearly miles of drinking water pipeline and over…” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Inframarkinframark.com HQ: Horsham, PA, United StatesReported employees: 1,001-5,000 | Horsham, PA, United States | 1,001-5,000 | Exact match | 1,107 contacts → |
“As an Azuria owned company, Inframark is a widely recognized leader in Water Infrastructure Operations and Infrastructure Management Services.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | MWHmwhconstructors.com HQ: Broomfield, CO, United StatesReported employees: 501-1,000 | Broomfield, CO, United States | 501-1,000 | Exact match | 462 contacts → |
“As a leading U.S.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Parkson Corporationparkson.com HQ: Fort Lauderdale, KS, United StatesReported employees: 51-200 | Fort Lauderdale, KS, United States | 51-200 | Exact match | 360 contacts → |
“Parkson Corporation is a supplier of innovative, cost effective solutions for potable water, process water, and industrial and municipal wastewater treatment.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Toho Water Authoritytohowater.com HQ: Kissimmee, FL, United StatesReported employees: 501-1,000 | Kissimmee, FL, United States | 501-1,000 | Exact match | 283 contacts → |
“Toho Water Authority was established in 2003 by a special act of the Florida legislature and provides a full range of water, wastewater and reclaimed water services to its…” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Keystone Clearwater Solutionskeystoneclear.com HQ: Hershey, PA, United StatesReported employees: 501-1,000 | Hershey, PA, United States | 501-1,000 | Exact match | 276 contacts → |
“Keystone Clearwater Solutions is moving water forward with engineered solutions for safer, more efficient water transfer, water management, and environmental services.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Valicorvalicor.com HQ: Monroe, MD, United StatesReported employees: 201-500 | Monroe, MD, United States | 201-500 | Exact match | 258 contacts → |
“Valicor is a trusted partner for sustainable waste management solutions.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | 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 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Alcosanalcosan.org HQ: Pittsburgh, United StatesReported employees: 201-500 | Pittsburgh, United States | 201-500 | Exact match | 248 contacts → |
“ALCOSAN is one of the Pittsburgh region’s premiere environmental and public health organizations, treating wastewater for 83 Allegheny County communities, including the City of…” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Pennsylvania American Wateramwater.com HQ: Mechanicsburg, PA, United StatesReported employees: 1,001-5,000 | Mechanicsburg, PA, United States | 1,001-5,000 | Exact match | 243 contacts → |
“Pennsylvania American Water, a subsidiary of American Water (NYSE: AWK), is the largest investor-owned water utility in the state, providing high-quality and reliable water and/or…” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | 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. | |||||
| 12 | 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 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Fluence Corporationfluencecorp.com HQ: Minneapolis, MN, United StatesReported employees: 201-500 | Minneapolis, MN, United States | 201-500 | Exact match | 195 contacts → |
“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 description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | 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 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Metropolitan District Commissionthemdc.org HQ: Hartford, CT, United StatesReported employees: 501-1,000 | Hartford, CT, United States | 501-1,000 | Exact match | 168 contacts → |
“The Metropolitan District (MDC) is a non-profit municipal corporation chartered by the Connecticut General Assembly in 1929 to provide potable water and sewerage services on a…” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Middlesex Water Companymiddlesexwater.com HQ: Iselin, DE, United StatesReported employees: 201-500 | Iselin, DE, United States | 201-500 | Exact match | 165 contacts → |
“Middlesex Water Company (NASDAQ:MSEX) provides a full range of regulated and non-regulated water, wastewater utility and related services primarily in New Jersey and Delaware.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Ruby-Collins, INCruby-collins.com HQ: Smyrna, GA, United StatesReported employees: 201-500 | Smyrna, GA, United States | 201-500 | Exact match | 163 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 18 | LB Waterlbh2o.com HQ: Selinsgrove, PA, United StatesReported employees: 201-500 | Selinsgrove, PA, United States | 201-500 | Exact match | 157 contacts → |
“100% Employee Owned LB Water has been providing quality water and wastewater solutions for decades.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Palm Beach County Water Utilities Departmentpbcwater.com HQ: West Palm Beach, FL, United StatesReported employees: 501-1,000 | West Palm Beach, FL, United States | 501-1,000 | Exact match | 155 contacts → |
“The third largest water utility department in the State of Florida, the Palm Beach County Water Utilities Department (PBCWUD) provides drinking water, wastewater collection and…” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | National Water Main Cleaning Companynwmcc-bos.com HQ: Kearny, CT, United StatesReported employees: 51-200 | Kearny, CT, United States | 51-200 | Exact match | 152 contacts → |
“National Water Main Cleaning Co.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Seven Seas Water Groupsevenseaswater.com HQ: Tampa, FL, United StatesReported employees: 51-200 | Tampa, FL, United States | 51-200 | Exact match | 144 contacts → |
“Our priority is to provide safe, reliable, and cost-effective water and wastewater treatment solutions through our Water-as-a-Service® approach.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Reynolds Construction, LLCreynoldscon.com HQ: Orleans, IN, United StatesReported employees: 201-500 | Orleans, IN, United States | 201-500 | Exact match | 143 contacts → |
“Reynolds Construction, LLC, is an employee owned, customer focused, performance driven, service company providing sustainable solutions to the water, wastewater, and renewable…” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | 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 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Rice Lake Construction Groupricelake.org HQ: Deerwood, MN, United StatesReported employees: 201-500 | Deerwood, MN, United States | 201-500 | Exact match | 129 contacts → |
“At Rice Lake Construction Group, we know water.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | UOSAuosa.org HQ: Leesburg, VA, United StatesReported employees: 51-200 | Leesburg, VA, United States | 51-200 | Exact match | 127 contacts → |
“Water Reclamation Plant” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 1,028 company matches
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Water & wastewater contract operating services: dataset insights
November 3, 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
1,023 records in the displayed employee bands.
5 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 1,028 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 3, 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 water & wastewater contract operating services?
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 water & wastewater contract operating services did RevenueBase find based in the United States?
The saved snapshot records 1,028 matching company records, 21,656 tracked contacts and 8,960 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 3, 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
Water & wastewater contract operating services by geography
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Cite this list
RevenueBase Data Team. Top 25 water & wastewater contract operating services based in the United States. Snapshot: November 3, 2026. https://revenuebase.ai/companies/water-wastewater-contract-operating-services/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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- Water & wastewater contract operating services based in Ahmedabad, India
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