Company lists · Data refreshed October 2026

Top 25 Conservation engineering firms based in Portland, United States

Name: Conservation 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 Oct 10, 2026 48 companies tracked

RevenueBase identified 48 company matches for conservation engineering firms associated with Portland, United States as of October 2026 and tracks 2,820 professional contacts across them, including 1,546 with verified work emails. Across the United States, Houston is the largest hub for this category (132 companies); Portland has 48.

This list covers company matches for conservation 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 October 10, 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 Oct 10, 2026 How this list was built

48Companies

2,820Contacts tracked

1,546Verified emails

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The 25 largest conservation engineering firms based in Portland, United States

Ranked by team size

Top 25 of 48 company matches for conservation engineering firms based in Portland, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 10, 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 Oct 10, 2026	1,001-5,000	1,077 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 · Oct 10, 2026 · View company records in RevenueBase
2	David Evans And Associates, INC	Exact match	Portland, OR, United StatesHQ recorded Oct 10, 2026	501-1,000	1,068 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 · Oct 10, 2026 · View company records in RevenueBase
3	Harper Houf Peterson Righellis INC	Exact match	Portland, OR, United StatesHQ recorded Oct 10, 2026	51-200	106 contacts →
	Exact match “Founded in Portland, Oregon in 1990, Harper Houf Peterson Righellis Inc.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
4	Whpacific, An Nv5 Company	Exact match	Portland, OR, United StatesHQ recorded Oct 10, 2026	1,001-5,000	83 contacts →
	Exact match “WHPacific was acquired by NV5 in July of 2019.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
5	Mason, Bruce & Girard, Inc. Mb&g	Exact match	Portland, OR, United StatesHQ recorded Oct 10, 2026	51-200	71 contacts →
	Exact match “Since 1921 Mason, Bruce & Girard, Inc.(MB & G) has provided forestry, environmental, and geospatial services to public and private clients.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
6	GSI Water Solutions, INC	Exact match	Portland, OR, United StatesHQ recorded Oct 10, 2026	51-200	70 contacts →
	Exact match “GSI Water Solutions, Inc, is a specialized groundwater, environmental, and water resources consulting firm.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
7	Acorn Engineering, INC	Exact match	Portland, ME, United StatesHQ recorded Oct 10, 2026	11-50	39 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
8	Murraysmith	Exact match	Portland, OR, United StatesHQ recorded Oct 10, 2026	201-500	38 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 · Oct 10, 2026 · View company records in RevenueBase
9	Snyder Civil Engineering, LLC	Exact match	Portland, CT, United StatesHQ recorded Oct 10, 2026	11-50	36 contacts →
	Exact match “Snyder Civil is a cohesive team of water system professionals based in central Connecticut.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
10	Wolf Water Resources	Exact match	Portland, OR, United StatesHQ recorded Oct 10, 2026	11-50	30 contacts →
	Exact match “Wolf Water Resources (W2r) specializes in watershed science and engineering to build landscape resiliency for fish, wildlife, and people.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
11	FB Environmental Associates	Exact match	Portland, ME, United StatesHQ recorded Oct 10, 2026	11-50	27 contacts →
	Exact match “Where Science Meets Civics" Our Mission: FB Environmental is dedicated to practical stewardship of our natural world.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
12	Samara Group PDX	Exact match	Portland, OR, United StatesHQ recorded Oct 10, 2026	1-10	20 contacts →
	Exact match “Samara Group LLC was founded to enhance environmental projects centered around rigorous science, inclusive partnerships, and effective communications.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
13	Mosaic Ecology LLC	Exact match	Portland, OR, United StatesHQ recorded Oct 10, 2026	11-50	16 contacts →
	Exact match “As a natural resource management firm, we provide the expertise and resources to sustainably integrate natural areas into the human environment, bring degraded land to life, and…” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
14	Summit Water Resources	Exact match	Portland, OR, United StatesHQ recorded Oct 10, 2026	1-10	13 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 · Oct 10, 2026 · View company records in RevenueBase
15	Evren Northwest, INC	Exact match	Portland, OR, United StatesHQ recorded Oct 10, 2026	11-50	11 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
16	Pioneer Design Group, INC	Exact match	Portland, OR, United StatesHQ recorded Oct 10, 2026	11-50	9 contacts →
	Exact match “Pioneer Design Group, Inc, located in Portland, Oregon, provides civil engineering, land use planning, land surveying, landscape architecture and development services.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
17	Allstructure Engineering, LLC	Exact match	Portland, OR, United StatesHQ recorded Oct 10, 2026	11-50	8 contacts →
	Exact match “Allstructure Engineering, LLC is a full service consulting Structural Engineering firm established in 2005.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
18	Northwest Watersheds	Exact match	Portland, United StatesHQ recorded Oct 10, 2026	1-10	8 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 · Oct 10, 2026 · View company records in RevenueBase
19	Environmental Management Systems, INC	Exact match	Portland, OR, United StatesHQ recorded Oct 10, 2026	1-10	7 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 · Oct 10, 2026 · View company records in RevenueBase
20	Leeway Engineering Solutions, LLC	Exact match	Portland, OR, United StatesHQ recorded Oct 10, 2026	1-10	7 contacts →
	Exact match “Leeway Engineering Solutions (LW) provides unique solutions for water and wastewater public works service providers.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
21	Aquatic Contracting	Exact match	Portland, OR, United StatesHQ recorded Oct 10, 2026	11-50	6 contacts →
	Exact match “Aquatic Contracting is a full service environmental/civil construction contractor with focused and specialized expertise in restoration of fish and wildlife habitat in and around…” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
22	Aquarius Environmental, LLC	Exact match	Portland, OR, United StatesHQ recorded Oct 10, 2026	1-10	5 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 · Oct 10, 2026 · View company records in RevenueBase
23	Ehns Partners	Exact match	Portland, ME, United StatesHQ recorded Oct 10, 2026	1-10	4 contacts →
	Exact match “EHNS Partners is a small dedicated team specializing in environmental, health, and safety consulting and engineering.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
24	Lichen Land And Water INC	Exact match	Portland, OR, United StatesHQ recorded Oct 10, 2026	1-10	4 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
25	EES Environmental Consulting INC	Exact match	Portland, OR, United StatesHQ recorded Oct 10, 2026	1-10	4 contacts →
	Exact match “EES is a unique team of professional consultants specializing in environmental assessment, investigation, and cleanup services.” Recorded in the RevenueBase company graph · Oct 10, 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 “conservation 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 25 of 48 conservation engineering firms based in Portland, United States

See the full list, filter by size, metro and specialty, and access 1,546 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Conservation engineering firms based in Portland, United States at a glance

As of Oct 10, 2026

54.8%Verified-email coverage

58.8Average contacts per company

11-50Median size (employees)

Oct 10, 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 48 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 “conservation 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 1,546 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 October 10, 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.

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

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

RevenueBase identified 48 company matches for conservation engineering firms associated with Portland, United States as of October 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 conservation engineering firms?

Houston leads the United States with 132 company records, followed by New York (82) and Austin (75). Portland has 48.

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 1,546 professional contacts with verified work emails tracked across these 48 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 October 10, 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.