Company lists · Data refreshed September 2026

Top 25 Green building consulting firms based in Portland, United States

Name: Green building consulting 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 28, 2026 84 companies tracked

RevenueBase identified 84 company matches for green building consulting firms associated with Portland, United States as of September 2026 and tracks 1,905 professional contacts across them, including 846 with verified work emails. Across the United States, New York is the largest hub for this category (276 companies); Portland has 84.

This list covers company matches for green building consulting 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 28, 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 28, 2026 How this list was built

84Companies

1,905Contacts tracked

846Verified emails

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The 25 largest green building consulting firms based in Portland, United States

Ranked by team size

Top 25 of 84 company matches for green building consulting firms based in Portland, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 28, 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 28, 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 28, 2026 · View company records in RevenueBase
2	Cascade Energy	Exact match	Portland, OR, United StatesHQ recorded Sep 28, 2026	201-500	288 contacts →
	Exact match “At Cascade Energy, we believe in better.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
3	Interface Engineering, INC	Exact match	Portland, OR, United StatesHQ recorded Sep 28, 2026	201-500	259 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
4	Allied Engineering	Exact match	Portland, ME, United StatesHQ recorded Sep 28, 2026	11-50	135 contacts →
	Exact match “Allied Engineering (AEI) is now Salas O'Brien.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
5	Brightworks Sustainability	Exact match	Portland, OR, United StatesHQ recorded Sep 28, 2026	51-200	61 contacts →
	Exact match “Recognized for advanced subject matter expertise, wide-ranging technical resources, creative problem-solving, and excellence in professional practice, Brightworks Sustainability…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
6	Lever Architecture	Exact match	Portland, OR, United StatesHQ recorded Sep 28, 2026	11-50	36 contacts →
	Exact match “LEVER Architecture, based in Portland, Oregon, and Los Angeles, California, is at the forefront of design excellence and material innovation.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
7	Clark Kjos Architects	Exact match	Portland, OR, United StatesHQ recorded Sep 28, 2026	11-50	25 contacts →
	Exact match “CKA is a unique group of professionals highly focused on architecture for health (with a wide range of project types), healthy environments, sustainable design practices…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
8	Green Hammer Design Build	Exact match	Portland, OR, United StatesHQ recorded Sep 28, 2026	11-50	23 contacts →
	Exact match “Green Hammer is a design build firm and certified B-Corp based in Portland, Oregon.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
9	Stillwater Energy	Exact match	Portland, OR, United StatesHQ recorded Sep 28, 2026	1-10	22 contacts →
	Exact match “Descending from the Beartooth Mountains in Yellowstone, Montana’s Stillwater River inspires all who see it.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
10	Certa Building Solutions	Exact match	Portland, OR, United StatesHQ recorded Sep 28, 2026	11-50	20 contacts →
	Exact match “Certa Building Solutions provides building envelope consulting services primarily within the Seattle Portland and Florida markets.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
11	Cascadia Partners	Exact match	Portland, OR, United StatesHQ recorded Sep 28, 2026	11-50	20 contacts →
	Exact match “Cascadia Partners are a multi-disciplinary team with decades of experience in planning, design, development finance, sustainability, project management, and community engagement.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
12	Kaplan Thompson Architects	Exact match	Portland, ME, United StatesHQ recorded Sep 28, 2026	11-50	18 contacts →
	Exact match “Beauty.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
13	Waterleaf Architecture	Exact match	Portland, OR, United StatesHQ recorded Sep 28, 2026	11-50	13 contacts →
	Exact match “Waterleaf has been active in the Northwest since 1952, focusing on four areas - commercial, transportation/industrial, medical/dental, and community.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
14	Juniper Design Build	Exact match	Portland, ME, United StatesHQ recorded Sep 28, 2026	11-50	12 contacts →
	Exact match “Hi.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
15	Brightbuilt	Exact match	Portland, ME, United StatesHQ recorded Sep 28, 2026	1-10	12 contacts →
	Exact match “A Brighter Path to Your Forever Home \| Design Firm based in Portland, Maine.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
16	System Design Consultants, INC	Exact match	Portland, OR, United StatesHQ recorded Sep 28, 2026	11-50	9 contacts →
	Exact match “System Design Consultants, Inc.(SDC), is celebrating 35 years in the Portland design community, providing mechanical and electrical engineering services for commercial and…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
17	JRA Green Building	Exact match	Portland, OR, United StatesHQ recorded Sep 28, 2026	11-50	9 contacts →
	Exact match “JRA Green Building is a family owned company based in Portland, Oregon.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
18	Triplewin Advisory	Exact match	Portland, OR, United StatesHQ recorded Sep 28, 2026	1-10	8 contacts →
	Exact match “Everyone is too aware of the dangers of ignoring sustainability, but are you aware of the range of advantages in a proper sustainability strategy?” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
19	Octopus Restoration And Remodeling LLC	Exact match	Portland, OR, United StatesHQ recorded Sep 28, 2026	1-10	8 contacts →
	Exact match “At OPM, we are committed to delivering high-quality Advisory and construction services that exceed our clients' expectations.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
20	Birdsmouth Design-Build	Exact match	Portland, OR, United StatesHQ recorded Sep 28, 2026	11-50	7 contacts →
	Exact match “A recognized leader in high-performance building and design, Birdsmouth creates zero-energy buildings that are healthier, more comfortable, and more resilient than the industry…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
21	Creative Renewable Solutions, LLC	Exact match	Portland, OR, United StatesHQ recorded Sep 28, 2026	1-10	6 contacts →
	Exact match “Creative Renewable Solutions is a clean energy consulting firm that helps businesses, utilities, and clean energy developers achieve their unique sustainability and performance…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
22	Woofter Bolch Architecture	Exact match	Portland, OR, United StatesHQ recorded Sep 28, 2026	1-10	6 contacts →
	Exact match “Based in Portland, Oregon, Woofter Bolch Architecture is a collaborative design practice equally committed to providing excellent design and outstanding client service.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
23	Emerick Architects	Exact match	Portland, OR, United StatesHQ recorded Sep 28, 2026	11-50	6 contacts →
	Exact match “Emerick Architects is a Portland-based commercial and residential architecture firm founded in by principals Melody and Brian Emerick.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
24	Harka Architecture, LLC	Exact match	Portland, OR, United StatesHQ recorded Sep 28, 2026	1-10	6 contacts →
	Exact match “Harka was founded with an inquisitive spirit and lofty objective: to create beautiful and inspiring spaces that possess the lowest carbon footprint possible while empowering their…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
25	Arris Consulting	Exact match	Portland, OR, United StatesHQ recorded Sep 28, 2026	1-10	6 contacts →
	Exact match “Arris Consulting was formed in 2019 by Brian Butler and Andrew Craig in Portland, OR and in 2021 brought Shane Fitzpatrick on as plumbing principal.” Recorded in the RevenueBase company graph · Sep 28, 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 “green building 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 25 of 84 green building consulting firms based in Portland, United States

See the full list, filter by size, metro and specialty, and access 846 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Green building consulting firms based in Portland, United States at a glance

As of Sep 28, 2026

44.4%Verified-email coverage

22.7Average contacts per company

1-10Median size (employees)

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

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 84 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 “green building 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 846 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 28, 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.

Green building consulting 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 “green building consulting firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many green building consulting firms are there based in Portland, United States?

RevenueBase identified 84 company matches for green building consulting 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 green building consulting firms?

New York leads the United States with 276 company records, followed by Chicago (104) and Houston (102). Portland has 84.

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 846 professional contacts with verified work emails tracked across these 84 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 28, 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.