Company lists · Data refreshed September 2026

Top 25 Saltwater intrusion consulting firms based in the United States

RevenueBase identified 150 saltwater intrusion consulting firms headquartered in the United States as of September 2026 and tracks 1,747 professional contacts across them, including 991 with verified work emails. Baton Rouge is the largest hub.

This list covers saltwater intrusion consulting firms headquartered in the United States, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 29, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 29, 2026 86% judged on-target in blind review
150Companies
1,747Contacts tracked
991Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 25 largest saltwater intrusion consulting firms based in the United States

Ranked by team size
Top 25 of 150 saltwater intrusion consulting firms based in the United States, ranked by team size, largest first. Data refreshed Sep 29, 2026. RevenueBase Smart Search rates how each company's information relates to saltwater intrusion consulting firms: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Partial evidenceSeattle, WA, United StatesHQ checked Sep 29, 2026501-1,000479 contacts →

Partial evidence

“Headquartered in Seattle, Washington, Anchor QEA is a nationally recognized environmental science and engineering consulting firm specializing in aquatic, shoreline, and water…”

Source: RevenueBase Database · checked Sep 29, 2026
2Indirect evidenceJacksonville, FL, United StatesHQ checked Sep 29, 202651-200105 contacts →

Indirect evidence

“Since 1987, Taylor Engineering, Inc, with headquarters in Jacksonville, Florida; branch offices in Destin and Tampa, Florida; and regional staff throughout Florida and the North…”

Source: RevenueBase Database · checked Sep 29, 2026
3Indirect evidenceCoral Gables, FL, United StatesHQ checked Sep 29, 202651-20082 contacts →

Indirect evidence

“Cummins Cederberg is a leader in coastal and marine engineering, delivering solutions for some of the most complex and high-impact waterfront projects.”

Source: RevenueBase Database · checked Sep 29, 2026
4Indirect evidenceDavis, CA, United StatesHQ checked Sep 29, 202651-20079 contacts →

Indirect evidence

“Larry Walker Associates (LWA) is a privately owned firm headquartered in Davis, California, with offices in Berkeley, Yreka, Santa Monica, Ventura, San Diego, and Seattle, WA.”

Source: RevenueBase Database · checked Sep 29, 2026
5Partial evidencePortland, OR, United StatesHQ checked Sep 29, 202651-20066 contacts →

Partial evidence

“GSI Water Solutions, Inc, is a specialized groundwater, environmental, and water resources consulting firm.”

Source: RevenueBase Database · checked Sep 29, 2026
6Partial evidenceDenver, CO, United StatesHQ checked Sep 29, 202611-5065 contacts →

Partial evidence

“Wright Water Engineers, Inc.(WWE) is a water resources consulting engineering firm that was founded in 1961.”

Source: RevenueBase Database · checked Sep 29, 2026
7Partial evidencePortsmouth, NH, United StatesHQ checked Sep 29, 202611-5047 contacts →

Partial evidence

“Appledore Marine Engineering (AME) is an industry leader in engineering consulting, specializing in waterfront infrastructure in ocean and inland waterway environments.”

Source: RevenueBase Database · checked Sep 29, 2026
8Indirect evidenceRockville, MD, United StatesHQ checked Sep 29, 202651-20045 contacts →

Indirect evidence

“S.S.”

Source: RevenueBase Database · checked Sep 29, 2026
9Partial evidenceScottsdale, AZ, United StatesHQ checked Sep 29, 202611-5042 contacts →

Partial evidence

“Clear Creek Associates, a hydrogeological consulting company, was started in September to provide a very high level of expertise in groundwater science.”

Source: RevenueBase Database · checked Sep 29, 2026
10Partial evidenceGolden, CO, United StatesHQ checked Sep 29, 202611-5035 contacts →

Partial evidence

“PG Environmental (PG) is an environmental consulting firm offering specialized technical expertise to federal and state agencies tasked with protecting and restoring our nation’s…”

Source: RevenueBase Database · checked Sep 29, 2026
11Partial evidenceSan Francisco, CA, United StatesHQ checked Sep 29, 202611-5034 contacts →

Partial evidence

“A water resources and environmental engineering consulting firm based in the San Francisco Bay Area, with a second office location in Seattle, WA.”

Source: RevenueBase Database · checked Sep 29, 2026
12Indirect evidenceBoca Raton, FL, United StatesHQ checked Sep 29, 202611-5029 contacts →

Indirect evidence

“Coastal Protection Engineering LLC (CPE) is a multidisciplinary coastal engineering firm founded by well-respected industry leading professionals with strong credentials and…”

Source: RevenueBase Database · checked Sep 29, 2026
13Partial evidenceHouma, LA, United StatesHQ checked Sep 29, 202611-5024 contacts →

Partial evidence

“Delta Coast Consultants is a professional consulting engineering firm located in Houma, Louisiana.”

Source: RevenueBase Database · checked Sep 29, 2026
14Partial evidenceSan Dimas, CA, United StatesHQ checked Sep 29, 202611-5023 contacts →

Partial evidence

“Geoscience Support Services (GEOSCIENCE) provides vital, specialized consulting to help clients overcome their most complex groundwater resource challenges.”

Source: RevenueBase Database · checked Sep 29, 2026
15Indirect evidenceLos Angeles, CA, United StatesHQ checked Sep 29, 202611-5022 contacts →

Indirect evidence

“Watearth, Inc.”

Source: RevenueBase Database · checked Sep 29, 2026
16Indirect evidenceLake Worth, FL, United StatesHQ checked Sep 29, 202611-5020 contacts →

Indirect evidence

“SFEC is an environmental and civil engineering company, which is making a difference in South Florida.”

Source: RevenueBase Database · checked Sep 29, 2026
17Indirect evidenceTampa, FL, United StatesHQ checked Sep 29, 202611-5016 contacts →

Indirect evidence

“ASRus, LLC, was founded in 2006 to provide hydrogeological and reuse related professional services to municipal and industrial clients in Florida.”

Source: RevenueBase Database · checked Sep 29, 2026
18Indirect evidenceCoral Gables, FL, United StatesHQ checked Sep 29, 202651-20016 contacts →

Indirect evidence

“Coastal Systems International, Inc.(Coastal Systems) has an established reputation for providing solutions to complex projects in the coastal/waterfront environment.”

Source: RevenueBase Database · checked Sep 29, 2026
19Partial evidenceAlameda, CA, United StatesHQ checked Sep 29, 202611-5015 contacts →

Partial evidence

“Todd Groundwater is a groundwater consulting firm specializes in the planning, development, management, and protection of groundwater and related surface water resources.”

Source: RevenueBase Database · checked Sep 29, 2026
20Indirect evidenceWilmington, NC, United StatesHQ checked Sep 29, 202611-5014 contacts →

Indirect evidence

“While freshly incorporated in August of 2013, TI Coastal Service’s founders have over 50+ years combined experience in multi-beam sonar and single beam hydrographic surveying…”

Source: RevenueBase Database · checked Sep 29, 2026
21Indirect evidenceVero Beach, FL, United StatesHQ checked Sep 29, 20261-1013 contacts →

Indirect evidence

“Coastal Technology Corporation (Coastal Tech), is a coastal engineering firm that provides planning and design services, environmental and permitting services, and construction…”

Source: RevenueBase Database · checked Sep 29, 2026
22Indirect evidenceTucson, AZ, United StatesHQ checked Sep 29, 202611-5012 contacts →

Indirect evidence

“Environmental services”

Source: RevenueBase Database · checked Sep 29, 2026
23Indirect evidenceVan Nuys, CA, United StatesHQ checked Sep 29, 20261-1012 contacts →

Indirect evidence

“RICHARD C.”

Source: RevenueBase Database · checked Sep 29, 2026
24Partial evidenceCentreville, MD, United StatesHQ checked Sep 29, 202611-5011 contacts →

Partial evidence

“Earth Data Incorporated is a field-oriented consulting company specializing in groundwater, geospatial, environmental planning, and on-site wastewater disposal projects.”

Source: RevenueBase Database · checked Sep 29, 2026
25Indirect evidenceLubbock, TX, United StatesHQ checked Sep 29, 20261-1011 contacts →

Indirect evidence

“Oller Engineering, Inc, was originally formed in 1989 in Lubbock, Texas to serve the municipal clients in west Texas and the Panhandle.”

Source: RevenueBase Database · checked Sep 29, 2026

Showing 25 of 150 saltwater intrusion consulting firms based in the United States

See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 991 reachable decision-makers.

Free signup · no credit card

View the full list →

Saltwater intrusion consulting firms based in the United States at a glance

As of Sep 29, 2026
56.7%Verified-email coverage
11.6Average contacts per company
1-10Median size (employees)
2.7%Largest-city concentration · Baton Rouge
Sep 29, 2026Page data refreshed

Companies by employee count

1-10
102
11-50
36
51-200
9
501-1,000
1

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 150 companies.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among saltwater intrusion consulting firms, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies
Companies headquartered in the United States whose own description of what they do matches “saltwater intrusion consulting firms”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search
RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names saltwater intrusion consulting firms), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude
Companies whose own description does not clearly place them among saltwater intrusion consulting firms, and records with no verified work email. Companies headquartered outside United States are excluded even when they keep an office there.
Match quality
In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 991 across the full list. 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.
Corrections
Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names saltwater intrusion consulting firms, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many saltwater intrusion consulting firms are there based in the United States?

RevenueBase identified 150 saltwater intrusion consulting firms headquartered in the United States as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Anchor QEA, headquartered in Seattle, tops this list with the largest team on record.

Which city has the most saltwater intrusion consulting firms?

Baton Rouge leads with 4 headquartered companies, followed by Houston (4) and Reno (4).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 991 verified decision-maker contacts tracked across these 150 companies.

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 150 saltwater intrusion consulting firms based in the United States. Start with a free account, no credit card.

Download this list →

Related lists

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 Smart Search, 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.