Company lists · Data refreshed September 2026
Top 12 Wastewater consulting firms based in Los Angeles, United States
RevenueBase identified 25 company matches for wastewater consulting firms associated with Los Angeles, United States as of September 2026 and tracks 1,236 professional contacts across them, including 483 with verified work emails. Across the United States, Houston is the largest hub for this category (101 companies); Los Angeles has 25.
This list covers company matches for wastewater consulting firms associated with Los Angeles, 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 September 29, 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 12 largest wastewater consulting firms based in Los Angeles, United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 748 contacts → | ||||
Exact match “Our award-winning projects are produced through innovation, creativity, and technical expertise.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 2 | 22 contacts → | ||||
Exact match “Watearth, Inc.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 3 | 18 contacts → | ||||
Exact match “Informing communities and creating a clear path to understanding are at the core of what we do at Impact Sciences.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 4 | 14 contacts → | ||||
Exact match “C2PM stands at the forefront of the construction consulting landscape, offering a full spectrum of program management, construction management, and specialized engineering…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 5 | 10 contacts → | ||||
Exact match “DRC, a public works engineering firm, in business for 40 years, provides expert level Transportation; Water/Wastewater engineering and Construction Management services to repeat…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 6 | 9 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 7 | 9 contacts → | ||||
Exact match “waterTALENT's mission is to help keep America’s water and wastewater treatment facilities running effectively and in compliance.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 8 | 8 contacts → | ||||
Exact match “Kroner Environmental Services is a full service environmental engineering and consulting company headquartered in Los Angeles but with ongoing operations nationwide.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 9 | 6 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 10 | 6 contacts → | ||||
Exact match “Zila, is a Stormwater Management & Civil Engineering Co, which provides stormwater management and civil engineering related services including stormwater pollution prevention plan…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 11 | 2 contacts → | ||||
Exact match “We offer services tailored to all aspects of water and wastewater management and operations; from source water acquisition, distribution and treatment, and wastewater disposal.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 12 | 1 contacts → | ||||
Exact match “ATODATECH LLC is a chemical engineering consulting company based in Greater Los Angeles, CA.” Recorded in the RevenueBase company graph · Sep 29, 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 “wastewater consulting firms”. 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 12 of 25 wastewater consulting firms based in Los Angeles, United States
See the full list, filter by size, metro and specialty, and access 483 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Wastewater consulting firms based in Los Angeles, United States at a glance
As of Sep 29, 2026Companies by employee count
Email recency for this list is measured across the whole United States list rather than for Los Angeles, so it is reported there. Company counts and contact totals on this page are exact for Los Angeles, over 25 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 Los Angeles, United States whose business descriptions match “wastewater consulting firms” 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 483 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 September 29, 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.
Wastewater consulting firms by metro in the United States
- Wastewater consulting firms in Houston101
- Wastewater consulting firms in Austin38
- Wastewater consulting firms in Tampa34
- Wastewater consulting firms in Phoenix31
- Wastewater consulting firms in Seattle31
- Wastewater consulting firms in Denver25
- Wastewater consulting firms in Miami25
- Wastewater consulting firms in New York25
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 “wastewater consulting firms”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many wastewater consulting firms are there based in Los Angeles, United States?
RevenueBase identified 25 company matches for wastewater consulting firms associated with Los Angeles, United States as of September 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?
Psomas tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city in the United States has the most wastewater consulting firms?
Houston leads the United States with 101 company records, followed by Austin (38) and Tampa (34). Los Angeles has 25.
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 483 professional contacts with verified work emails tracked across these 25 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 September 29, 2026.
Ready to reach these companies? Verified emails and direct dials for all 25 wastewater consulting firms based in Los Angeles, United States. Start with a free account, no credit card.
Download this list →Related lists
Wastewater consulting firms by geography
- Wastewater consulting firms based in Melbourne, Australia
- Wastewater consulting firms based in Sydney, Australia
- Wastewater consulting firms based in Belo Horizonte, Brazil
- Wastewater consulting firms based in Curitiba, Brazil
- Wastewater consulting firms based in Porto Alegre, Brazil
- Wastewater consulting firms based in Rio De Janeiro, Brazil
- Wastewater consulting firms based in Sao Paulo, Brazil
- Wastewater consulting firms based in Calgary, Canada
- Wastewater consulting firms based in Santiago, Chile
- Wastewater consulting firms based in Paris, France
- Wastewater consulting firms based in Berlin, Germany
- Wastewater consulting firms based in Ahmedabad, India
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
- Wastewater consulting firms based in Melbourne, Australia
- Wastewater consulting firms based in Sydney, Australia
- Wastewater consulting firms based in Belo Horizonte, Brazil
- Wastewater consulting firms based in Curitiba, Brazil
- Wastewater consulting firms based in Porto Alegre, Brazil
- Wastewater consulting firms based in Rio De Janeiro, Brazil
Company intelligence · public preview
Top 12 wastewater consulting firms based in Los Angeles, 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 25 matching company records for wastewater consulting firms based in Los Angeles, United States, with 1,236 tracked contacts and 483 verified work emails.
This public preview shows 12 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 29, 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 12 wastewater consulting firms based in Los Angeles, 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 |  Psomaspsomas.comHQ: Los Angeles, CA, United StatesReported employees: 501-1,000 | Los Angeles, CA, United States | 501-1,000 | Exact match | 748 contacts → |
“Our award-winning projects are produced through innovation, creativity, and technical expertise.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Watearthwatearth.comHQ: Los Angeles, CA, United StatesReported employees: 11-50 | Los Angeles, CA, United States | 11-50 | Exact match | 22 contacts → |
“Watearth, Inc.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Impact Sciencesimpactsciences.comHQ: Los Angeles, CA, United StatesReported employees: 11-50 | Los Angeles, CA, United States | 11-50 | Exact match | 18 contacts → |
“Informing communities and creating a clear path to understanding are at the core of what we do at Impact Sciences.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  C2pmc2pm.comHQ: Los Angeles, CA, United StatesReported employees: 11-50 | Los Angeles, CA, United States | 11-50 | Exact match | 14 contacts → |
“C2PM stands at the forefront of the construction consulting landscape, offering a full spectrum of program management, construction management, and specialized engineering…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  D R Consultants & Designers, INCdrcdinc.comHQ: Los Angeles, CA, United StatesReported employees: 11-50 | Los Angeles, CA, United States | 11-50 | Exact match | 10 contacts → |
“DRC, a public works engineering firm, in business for 40 years, provides expert level Transportation; Water/Wastewater engineering and Construction Management services to repeat…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | EPD Consultants, INCepd-net.com HQ: Los Angeles, United StatesReported employees: 1-10 | Los Angeles, United States | 1-10 | Exact match | 9 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 7 | Watertalent, LLCwatertalent.net HQ: Los Angeles, CA, United StatesReported employees: 1-10 | Los Angeles, CA, United States | 1-10 | Exact match | 9 contacts → |
“waterTALENT's mission is to help keep America’s water and wastewater treatment facilities running effectively and in compliance.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Kroner Environmental Serviceskronerenvironmental.comHQ: Los Angeles, CA, United StatesReported employees: 11-50 | Los Angeles, CA, United States | 11-50 | Exact match | 8 contacts → |
“Kroner Environmental Services is a full service environmental engineering and consulting company headquartered in Los Angeles but with ongoing operations nationwide.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Aqualitec Corpaqualitec.comHQ: Los Angeles, CA, United StatesReported employees: 11-50 | Los Angeles, CA, United States | 11-50 | Exact match | 6 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 10 |  ZILAzilaco.comHQ: Los Angeles, CA, United StatesReported employees: 11-50 | Los Angeles, CA, United States | 11-50 | Exact match | 6 contacts → |
“Zila, is a Stormwater Management & Civil Engineering Co, which provides stormwater management and civil engineering related services including stormwater pollution prevention plan…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Choice Water Solutions LIC 1107955choicewatersolutions.com HQ: Los Angeles, CA, United StatesReported employees: 11-50 | Los Angeles, CA, United States | 11-50 | Exact match | 2 contacts → |
“We offer services tailored to all aspects of water and wastewater management and operations; from source water acquisition, distribution and treatment, and wastewater disposal.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Atodatech LLCatodatech.comHQ: Los Angeles, CA, United StatesReported employees: 1-10 | Los Angeles, CA, United States | 1-10 | Exact match | 1 contacts → |
“ATODATECH LLC is a chemical engineering consulting company based in Greater Los Angeles, CA.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 12 of 25 company matches
Build a targeted audience, find relevant contacts and export available records to your workflow.
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Wastewater consulting firms: dataset insights
September 29, 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
25 records in the displayed employee bands.
0 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 across the whole United States list rather than for Los Angeles, so it is reported there. Company counts and contact totals on this page are exact for Los Angeles, over 25 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: September 29, 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 ↗
Wastewater consulting firms by metro in the United States
- Wastewater consulting firms in Houston101
- Wastewater consulting firms in Austin38
- Wastewater consulting firms in Tampa34
- Wastewater consulting firms in Phoenix31
- Wastewater consulting firms in Seattle31
- Wastewater consulting firms in Denver25
- Wastewater consulting firms in Miami25
- Wastewater consulting firms in New York25
Questions about this company list
What does Exact match mean for wastewater consulting firms?
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 wastewater consulting firms did RevenueBase find based in Los Angeles, United States?
The saved snapshot records 25 matching company records, 1,236 tracked contacts and 483 verified emails. The public preview displays 12 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: September 29, 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
Wastewater consulting firms by geography
- Wastewater consulting firms based in Melbourne, Australia
- Wastewater consulting firms based in Sydney, Australia
- Wastewater consulting firms based in Belo Horizonte, Brazil
- Wastewater consulting firms based in Curitiba, Brazil
- Wastewater consulting firms based in Porto Alegre, Brazil
- Wastewater consulting firms based in Rio De Janeiro, Brazil
- Wastewater consulting firms based in Sao Paulo, Brazil
- Wastewater consulting firms based in Calgary, Canada
- Wastewater consulting firms based in Santiago, Chile
- Wastewater consulting firms based in Paris, France
- Wastewater consulting firms based in Berlin, Germany
- Wastewater consulting firms based in Ahmedabad, India
Cite this list
RevenueBase Data Team. Top 12 wastewater consulting firms based in Los Angeles, United States. Snapshot: September 29, 2026. https://revenuebase.ai/companies/wastewater-consulting-firms/united-states/los-angeles.
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
- Wastewater consulting firms based in Melbourne, Australia
- Wastewater consulting firms based in Sydney, Australia
- Wastewater consulting firms based in Belo Horizonte, Brazil
- Wastewater consulting firms based in Curitiba, Brazil
- Wastewater consulting firms based in Porto Alegre, Brazil
- Wastewater consulting firms based in Rio De Janeiro, Brazil
Company intelligence · public preview
Top 12 wastewater consulting firms based in Los Angeles, United States
RevenueBase records 25 matching company records for wastewater consulting firms based in Los Angeles, United States, with 1,236 tracked contacts and 483 verified work emails.
This public preview shows 12 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 29, 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 12 wastewater consulting firms based in Los Angeles, 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 | Psomaspsomas.com HQ: Los Angeles, CA, United StatesReported employees: 501-1,000 | Los Angeles, CA, United States | 501-1,000 | Exact match | 748 contacts → |
“Our award-winning projects are produced through innovation, creativity, and technical expertise.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Watearthwatearth.com HQ: Los Angeles, CA, United StatesReported employees: 11-50 | Los Angeles, CA, United States | 11-50 | Exact match | 22 contacts → |
“Watearth, Inc.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Impact Sciencesimpactsciences.com HQ: Los Angeles, CA, United StatesReported employees: 11-50 | Los Angeles, CA, United States | 11-50 | Exact match | 18 contacts → |
“Informing communities and creating a clear path to understanding are at the core of what we do at Impact Sciences.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | C2pmc2pm.com HQ: Los Angeles, CA, United StatesReported employees: 11-50 | Los Angeles, CA, United States | 11-50 | Exact match | 14 contacts → |
“C2PM stands at the forefront of the construction consulting landscape, offering a full spectrum of program management, construction management, and specialized engineering…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | D R Consultants & Designers, INCdrcdinc.com HQ: Los Angeles, CA, United StatesReported employees: 11-50 | Los Angeles, CA, United States | 11-50 | Exact match | 10 contacts → |
“DRC, a public works engineering firm, in business for 40 years, provides expert level Transportation; Water/Wastewater engineering and Construction Management services to repeat…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | EPD Consultants, INCepd-net.com HQ: Los Angeles, United StatesReported employees: 1-10 | Los Angeles, United States | 1-10 | Exact match | 9 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 7 | Watertalent, LLCwatertalent.net HQ: Los Angeles, CA, United StatesReported employees: 1-10 | Los Angeles, CA, United States | 1-10 | Exact match | 9 contacts → |
“waterTALENT's mission is to help keep America’s water and wastewater treatment facilities running effectively and in compliance.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Kroner Environmental Serviceskronerenvironmental.com HQ: Los Angeles, CA, United StatesReported employees: 11-50 | Los Angeles, CA, United States | 11-50 | Exact match | 8 contacts → |
“Kroner Environmental Services is a full service environmental engineering and consulting company headquartered in Los Angeles but with ongoing operations nationwide.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Aqualitec Corpaqualitec.com HQ: Los Angeles, CA, United StatesReported employees: 11-50 | Los Angeles, CA, United States | 11-50 | Exact match | 6 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 10 | ZILAzilaco.com HQ: Los Angeles, CA, United StatesReported employees: 11-50 | Los Angeles, CA, United States | 11-50 | Exact match | 6 contacts → |
“Zila, is a Stormwater Management & Civil Engineering Co, which provides stormwater management and civil engineering related services including stormwater pollution prevention plan…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Choice Water Solutions LIC 1107955choicewatersolutions.com HQ: Los Angeles, CA, United StatesReported employees: 11-50 | Los Angeles, CA, United States | 11-50 | Exact match | 2 contacts → |
“We offer services tailored to all aspects of water and wastewater management and operations; from source water acquisition, distribution and treatment, and wastewater disposal.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Atodatech LLCatodatech.com HQ: Los Angeles, CA, United StatesReported employees: 1-10 | Los Angeles, CA, United States | 1-10 | Exact match | 1 contacts → |
“ATODATECH LLC is a chemical engineering consulting company based in Greater Los Angeles, CA.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 12 of 25 company matches
Build a targeted audience, find relevant contacts and export available records to your workflow.
Free signup · 500 credits · limited free results
Wastewater consulting firms: dataset insights
September 29, 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
25 records in the displayed employee bands.
0 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 across the whole United States list rather than for Los Angeles, so it is reported there. Company counts and contact totals on this page are exact for Los Angeles, over 25 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: September 29, 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 ↗
Wastewater consulting firms by metro in the United States
- Wastewater consulting firms in Houston101
- Wastewater consulting firms in Austin38
- Wastewater consulting firms in Tampa34
- Wastewater consulting firms in Phoenix31
- Wastewater consulting firms in Seattle31
- Wastewater consulting firms in Denver25
- Wastewater consulting firms in Miami25
- Wastewater consulting firms in New York25
Questions about this company list
What does Exact match mean for wastewater consulting firms?
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 wastewater consulting firms did RevenueBase find based in Los Angeles, United States?
The saved snapshot records 25 matching company records, 1,236 tracked contacts and 483 verified emails. The public preview displays 12 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: September 29, 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
Wastewater consulting firms by geography
- Wastewater consulting firms based in Melbourne, Australia
- Wastewater consulting firms based in Sydney, Australia
- Wastewater consulting firms based in Belo Horizonte, Brazil
- Wastewater consulting firms based in Curitiba, Brazil
- Wastewater consulting firms based in Porto Alegre, Brazil
- Wastewater consulting firms based in Rio De Janeiro, Brazil
- Wastewater consulting firms based in Sao Paulo, Brazil
- Wastewater consulting firms based in Calgary, Canada
- Wastewater consulting firms based in Santiago, Chile
- Wastewater consulting firms based in Paris, France
- Wastewater consulting firms based in Berlin, Germany
- Wastewater consulting firms based in Ahmedabad, India
Cite this list
RevenueBase Data Team. Top 12 wastewater consulting firms based in Los Angeles, United States. Snapshot: September 29, 2026. https://revenuebase.ai/companies/wastewater-consulting-firms/united-states/los-angeles.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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