Company lists · Data refreshed September 2026

Top 22 Water infrastructure engineering firms based in Portland, United States

Name: Water infrastructure engineering firms based in Portland, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 19, 2026 31 companies tracked

RevenueBase identified 31 company matches for water infrastructure engineering firms associated with Portland, United States as of September 2026 and tracks 2,422 professional contacts across them, including 1,384 with verified work emails. Across the United States, Houston is the largest hub for this category (139 companies); Portland has 31.

This list covers company matches for water infrastructure engineering firms associated with Portland, 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 19, 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Sep 19, 2026 How this list was built

31Companies

2,422Contacts tracked

1,384Verified emails

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The 22 largest water infrastructure engineering firms based in Portland, United States

Ranked by team size

Top 22 of 31 company matches for water infrastructure engineering firms based in Portland, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 19, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Woodard & Curran	Exact match	Portland, ME, United StatesHQ recorded Sep 19, 2026	1,001-5,000	1,060 contacts →
	Exact match “Woodard & Curran is more than just a consulting firm – we are an employee-owned integrated science, engineering, design-build, and operations company specializing in water and…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
2	David Evans And Associates, INC	Exact match	Portland, OR, United StatesHQ recorded Sep 19, 2026	501-1,000	1,031 contacts →
	Exact match “Since its founding in 1976 in Portland, Oregon, DEA has become a recognized leader for progressive and sustainable design and management solutions for complex transportation, land…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
3	Harper Houf Peterson Righellis INC	Exact match	Portland, OR, United StatesHQ recorded Sep 19, 2026	51-200	101 contacts →
	Exact match “Founded in Portland, Oregon in 1990, Harper Houf Peterson Righellis Inc.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
4	GSI Water Solutions, INC	Exact match	Portland, OR, United StatesHQ recorded Sep 19, 2026	51-200	66 contacts →
	Exact match “GSI Water Solutions, Inc, is a specialized groundwater, environmental, and water resources consulting firm.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
5	Murraysmith	Exact match	Portland, OR, United StatesHQ recorded Sep 19, 2026	201-500	40 contacts →
	Exact match “In 2021, Murraysmith became Consor Engineers, integrating our decades of experience delivering high-quality water and transportation infrastructure projects for public agency…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
6	Snyder Civil Engineering, LLC	Exact match	Portland, CT, United StatesHQ recorded Sep 19, 2026	11-50	33 contacts →
	Exact match “Snyder Civil is a cohesive team of water system professionals based in central Connecticut.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
7	Acms Northwest	Exact match	Portland, OR, United StatesHQ recorded Sep 19, 2026	11-50	16 contacts →
	Exact match “ACMS Northwest is a Women-Owned construction management and civil engineering firm based in Portland, Oregon.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
8	Summit Water Resources	Exact match	Portland, OR, United StatesHQ recorded Sep 19, 2026	1-10	12 contacts →
	Exact match “Summit Water Resources has more than 100 years of combined experience in the development of municipal, agricultural, and industrial groundwater supply, aquifer storage and…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
9	Northwest Watersheds	Exact match	Portland, United StatesHQ recorded Sep 19, 2026	1-10	7 contacts →
	Exact match “Northwest Watersheds LLC provides water resources engineering services to protect communities, restore habitat, and provide climate resiliency.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
10	Resilient Infrastructure Group	Exact match	Portland, OR, United StatesHQ recorded Sep 19, 2026	1-10	7 contacts →
	Exact match “Resilient Infrastructure Group develops and invests in transformative water solutions and sustainable infrastructure projects.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
11	Leeway Engineering Solutions, LLC	Exact match	Portland, OR, United StatesHQ recorded Sep 19, 2026	1-10	6 contacts →
	Exact match “Leeway Engineering Solutions (LW) provides unique solutions for water and wastewater public works service providers.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
12	Curran-Mcleod, INC	Exact match	Portland, OR, United StatesHQ recorded Sep 19, 2026	1-10	6 contacts →
	Exact match “Patrick D.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
13	Environmental Management Systems, INC	Exact match	Portland, OR, United StatesHQ recorded Sep 19, 2026	1-10	5 contacts →
	Exact match “Environmental Management Systems, Inc.(EMS) Is a premier environmental consulting, engineering, and design firm headquartered in the Portland Metropolitan Area of Oregon.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
14	Annear Water Resources	Exact match	Portland, OR, United StatesHQ recorded Sep 19, 2026	1-10	5 contacts →
	Exact match “Located in the Pacific Northwest, Annear Water Resources (AWR) has provided water resource and environmental services to clients in the Western United States for the past 25 years.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
15	Juncus Studio	Exact match	Portland, OR, United StatesHQ recorded Sep 19, 2026	1-10	5 contacts →
	Exact match “We design wide range of green infrastructure, restorative, and recreational systems and knit them into the fabric of our local communities to protect and heal our urban watersheds.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
16	Aquarius Environmental, LLC	Exact match	Portland, OR, United StatesHQ recorded Sep 19, 2026	1-10	3 contacts →
	Exact match “Aquarius Environmental is an environmental engineering and consulting firm specializing in water related design, treatment, and compliance.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
17	Wm. H. Reilly & Company	Exact match	Portland, OR, United StatesHQ recorded Sep 19, 2026	1-10	2 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
18	E-Pur	Exact match	Portland, United StatesHQ recorded Sep 19, 2026	1-10	2 contacts →
	Exact match “E-PUR provides client-focused hydrologic, geologic, engineering, and environmental consulting services on a wide range of water resource and water supply projects.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
19	Clarus Water Solutions	Exact match	Portland, OR, United StatesHQ recorded Sep 19, 2026	51-200	1 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
20	Cascade Trenchless Consulting	Exact match	Portland, OR, United StatesHQ recorded Sep 19, 2026	1-10	1 contacts →
	Exact match “Delivering custom-fit trenchless solutions from concept through construction.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
21	Fair Dermody Consulting Engineers	Exact match	Portland, ME, United StatesHQ recorded Sep 19, 2026	1-10	1 contacts →
	Exact match “We specialize in heavy transportation infrastructure design and repair with concentrations in railroad, bridge, and marine engineering.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
22	Collinscea	Exact match	Portland, ME, United StatesHQ recorded Sep 19, 2026	1-10	1 contacts →
	Exact match “CollinsCEA provides expert consulting, engineering, and advising services to utilities, government, and commercial and industrial customers.” Recorded in the RevenueBase company graph · Sep 19, 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 infrastructure engineering 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 22 of 31 water infrastructure engineering firms based in Portland, United States

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Water infrastructure engineering firms based in Portland, United States at a glance

As of Sep 19, 2026

57.1%Verified-email coverage

78.1Average contacts per company

1-10Median size (employees)

Sep 19, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

1,001-5,000

Email recency for this list is measured across the whole United States list rather than for Portland, so it is reported there. Company counts and contact totals on this page are exact for Portland, over 31 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 Portland, United States whose business descriptions match “water infrastructure engineering 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 1,384 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 19, 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.

Water infrastructure engineering firms by metro in the United States

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 infrastructure engineering firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many water infrastructure engineering firms are there based in Portland, United States?

RevenueBase identified 31 company matches for water infrastructure engineering firms associated with Portland, 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?

Woodard & Curran 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 water infrastructure engineering firms?

Houston leads the United States with 139 company records, followed by Austin (59) and New York (58). Portland has 31.

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 1,384 professional contacts with verified work emails tracked across these 31 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 19, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.