Company lists · Data refreshed September 2026

Top 20 Nature-inspired engineering firms based in Portland, United States

Name: Nature-inspired 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 17, 2026 35 companies tracked

RevenueBase identified 35 company matches for nature-inspired engineering firms associated with Portland, United States as of September 2026 and tracks 893 professional contacts across them, including 395 with verified work emails. Across the United States, New York is the largest hub for this category (63 companies); Portland has 35.

This list covers company matches for nature-inspired 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 17, 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 17, 2026 How this list was built

35Companies

893Contacts tracked

395Verified emails

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The 20 largest nature-inspired engineering firms based in Portland, United States

Ranked by team size

Top 20 of 35 company matches for nature-inspired engineering firms based in Portland, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 17, 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	PAE	Exact match	Portland, OR, United StatesHQ recorded Sep 17, 2026	201-500	744 contacts →
	Exact match “PAE provides mechanical and electrical engineering design, technology system design, energy modeling and analysis, and more.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
2	Works Architecture	Exact match	Portland, OR, United StatesHQ recorded Sep 17, 2026	11-50	25 contacts →
	Exact match “WORKS Architecture is a collective of fearless design leaders committed to pushing the boundaries of conventional architecture with award-winning, innovative building practices.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
3	Kelson Marine CO	Exact match	Portland, ME, United StatesHQ recorded Sep 17, 2026	1-10	16 contacts →
	Exact match “Kelson Marine is an ocean engineering firm that partners with its clients to solve the challenges of producing food and energy in the harsh world of the ocean.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
4	SFA Design Group, LLC	Exact match	Portland, OR, United StatesHQ recorded Sep 17, 2026	11-50	16 contacts →
	Exact match “SFA Design Group, LLC is a structural engineering consulting company based out of Portland, Oregon, United States.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
5	Stonewood Structural Engineers	Exact match	Portland, OR, United StatesHQ recorded Sep 17, 2026	1-10	10 contacts →
	Exact match “At Stonewood Structural Engineers, we serve as either prime consultant or sub consultant on projects large and small, including commercial, retail, institutional, government and…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
6	Canal 5 Studio	Exact match	Portland, ME, United StatesHQ recorded Sep 17, 2026	1-10	9 contacts →
	Exact match “Canal 5 Studio is an architectural firm founded in 2011 to integrate the art of architecture with the science of high performance built environments.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
7	Allstructure Engineering, LLC	Exact match	Portland, OR, United StatesHQ recorded Sep 17, 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 · Sep 17, 2026 · View company records in RevenueBase
8	Northwest Watersheds	Exact match	Portland, United StatesHQ recorded Sep 17, 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 17, 2026 · View company records in RevenueBase
9	Livermore Architecture & Engineering, INC	Exact match	Portland, OR, United StatesHQ recorded Sep 17, 2026	11-50	7 contacts →
	Exact match “Founded in by Gary Livermore, a dually licensed architect and structural engineer, LAE has made a mark both in Oregon and throughout the United States as an effective commercial…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
10	Briburn	Exact match	Portland, ME, United StatesHQ recorded Sep 17, 2026	1-10	5 contacts →
	Exact match “BRIBURN is committed to creating innovative, energy efficient, and environmentally sound solutions, for residential, commercial, institutional, and civic projects, that artfully…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
11	Environs, LLC	Exact match	Portland, United StatesHQ recorded Sep 17, 2026	1-10	4 contacts →
	Exact match “environs is a comprehensive sustainable design/ build firm serving homeowners in portland, oregon.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
12	Hodaie Engineering INC	Exact match	Portland, OR, United StatesHQ recorded Sep 17, 2026	1-10	4 contacts →
	Exact match “Hodaie Engineering was established in with a simple, yet effective strategy: to let our work speak for itself.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
13	Madden & Baughman Engineering, INC	Exact match	Portland, OR, United StatesHQ recorded Sep 17, 2026	1-10	3 contacts →
	Exact match “Madden & Baughman Engineering is a structural engineering and consulting firm that focuses on high design in the pursuit of architectural accomplishment and economy since 2005.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
14	Wright Architecture INC	Exact match	Portland, OR, United StatesHQ recorded Sep 17, 2026	1-10	3 contacts →
	Exact match “Good design is healthy, and by its very nature, sustainable.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
15	Kaleido Studio	Exact match	Portland, OR, United StatesHQ recorded Sep 17, 2026	1-10	3 contacts →
	Exact match “Kaleido Studio is a Portland-based architectural design firm rooted in the Pacific Northwest.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
16	Altman Browning & Company	Exact match	Portland, OR, United StatesHQ recorded Sep 17, 2026	1-10	2 contacts →
	Exact match “At Altman Browning & Company, we are a dedicated engineering team committed to delivering exceptional solutions across a diverse range of industries.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
17	Architectural Applications P.C	Exact match	Portland, OR, United StatesHQ recorded Sep 17, 2026	1-10	1 contacts →
	Exact match “a2) is an engineering, architecture and product design consultancy dedicated to developing smarter and more elegant solutions for the use of resources in our natural and built…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
18	Zone Design Group LLC	Exact match	Portland, OR, United StatesHQ recorded Sep 17, 2026	1-10	1 contacts →
	Exact match “There is a major gap in how we currently design buildings.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
19	Cause Sustainability	Exact match	Portland, OR, United StatesHQ recorded Sep 17, 2026	1-10	1 contacts →
	Exact match “Cause is a sustainable design consultancy focused on connecting creative design process with complex building performance information.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
20	Sutherlin Santo	Exact match	Portland, OR, United StatesHQ recorded Sep 17, 2026	1-10	1 contacts →
	Exact match “Sutherlin Santo is a research-driven design workshop currently operating in Portland, Oregon.” Recorded in the RevenueBase company graph · Sep 17, 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 “nature-inspired 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 20 of 35 nature-inspired engineering firms based in Portland, United States

See the full list, filter by size, metro and specialty, and access 395 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Nature-inspired engineering firms based in Portland, United States at a glance

As of Sep 17, 2026

44.2%Verified-email coverage

25.5Average contacts per company

1-10Median size (employees)

Sep 17, 2026Page data refreshed

Companies by employee count

1-10

11-50

201-500

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 35 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 “nature-inspired 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 395 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 17, 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.

Nature-inspired 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 “nature-inspired engineering firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many nature-inspired engineering firms are there based in Portland, United States?

RevenueBase identified 35 company matches for nature-inspired 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?

PAE 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 nature-inspired engineering firms?

New York leads the United States with 63 company records, followed by Los Angeles (36) and Seattle (36). Portland has 35.

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 395 professional contacts with verified work emails tracked across these 35 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 17, 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.