Company lists · Data refreshed September 2026

Top 25 Building consulting firms based in Portland, United States

Name: 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 23, 2026 98 companies tracked

RevenueBase identified 98 company matches for building consulting firms associated with Portland, United States as of September 2026 and tracks 660 professional contacts across them, including 251 with verified work emails. Across the United States, New York is the largest hub for this category (579 companies); Portland has 98.

This list covers company matches for 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 23, 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 23, 2026 How this list was built

98Companies

660Contacts tracked

251Verified emails

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

Ranked by team size

Top 25 of 98 company matches for building consulting firms based in Portland, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 23, 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	Allied Engineering	Exact match	Portland, ME, United StatesHQ recorded Sep 23, 2026	11-50	135 contacts →
	Exact match “Allied Engineering (AEI) is now Salas O'Brien.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
2	Norwest Engineering INC	Exact match	Portland, OR, United StatesHQ recorded Sep 23, 2026	51-200	41 contacts →
	Exact match “Norwest Engineering is a multi-disciplined, consulting engineering firm focused on developing long-standing relationships with our clients.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
3	Froelich Engineers	Exact match	Portland, OR, United StatesHQ recorded Sep 23, 2026	11-50	30 contacts →
	Exact match “Since 1983, Froelich Engineers has been delivering on-time, on-budget engineering services to leading owners, contractors, engineers, and developers across the country.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
4	Peterson Structural Engineers, INC	Exact match	Portland, OR, United StatesHQ recorded Sep 23, 2026	11-50	29 contacts →
	Exact match “In 2026, PSE was acquired by Consor, a leading North American engineering and advisory firm.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
5	Klosh Group, INC	Exact match	Portland, OR, United StatesHQ recorded Sep 23, 2026	11-50	21 contacts →
	Exact match “Klosh Group is a consulting firm specializing in owner's representation, pre-construction planning, project management, and construction management services.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
6	Cascadia Partners	Exact match	Portland, OR, United StatesHQ recorded Sep 23, 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 23, 2026 · View company records in RevenueBase
7	SFA Design Group, LLC	Exact match	Portland, OR, United StatesHQ recorded Sep 23, 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 23, 2026 · View company records in RevenueBase
8	Alliedcook Construction	Exact match	Portland, ME, United StatesHQ recorded Sep 23, 2026	11-50	15 contacts →
	Exact match “Since 1958, AlliedCook Construction has provided construction management and design-build services to a diverse range of clients, earning the reputation as one of the premier…” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
9	Vista Structural Engineering, LLC	Exact match	Portland, OR, United StatesHQ recorded Sep 23, 2026	1-10	14 contacts →
	Exact match “Vista Structural Engineering can help you complete any of the following projects: New Construction (Residential, Light Commercial) Addition to Existing Construction (Residential…” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
10	Robert Evans Company	Exact match	Portland, OR, United StatesHQ recorded Sep 23, 2026	11-50	13 contacts →
	Exact match “Robert Evans Company is a construction management company specializing in commercial construction of industrial, office, medical and dental projects.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
11	Urban Resources, INC	Exact match	Portland, OR, United StatesHQ recorded Sep 23, 2026	1-10	13 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
12	Norwest Contractors	Exact match	Portland, OR, United StatesHQ recorded Sep 23, 2026	11-50	12 contacts →
	Exact match “We start with smart.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
13	Axis Design Group Architecture & Engineering, INC	Exact match	Portland, OR, United StatesHQ recorded Sep 23, 2026	11-50	10 contacts →
	Exact match “Axis Design Group is a professional architecture firm located in Portland, Oregon.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
14	Stonewood Structural Engineers	Exact match	Portland, OR, United StatesHQ recorded Sep 23, 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 23, 2026 · View company records in RevenueBase
15	System Design Consultants, INC	Exact match	Portland, OR, United StatesHQ recorded Sep 23, 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 23, 2026 · View company records in RevenueBase
16	Allstructure Engineering, LLC	Exact match	Portland, OR, United StatesHQ recorded Sep 23, 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 23, 2026 · View company records in RevenueBase
17	T&m Design, INC	Exact match	Portland, OR, United StatesHQ recorded Sep 23, 2026	1-10	8 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
18	Octopus Restoration And Remodeling LLC	Exact match	Portland, OR, United StatesHQ recorded Sep 23, 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 23, 2026 · View company records in RevenueBase
19	DON Tankersley & CO	Exact match	Portland, OR, United StatesHQ recorded Sep 23, 2026	11-50	7 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
20	Livermore Architecture & Engineering, INC	Exact match	Portland, OR, United StatesHQ recorded Sep 23, 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 23, 2026 · View company records in RevenueBase
21	Base Design Group, INC	Exact match	Portland, ME, United StatesHQ recorded Sep 23, 2026	11-50	7 contacts →
	Exact match “BASE DESIGN GROUP is a full-service structural engineering consulting firm providing design, analysis and evaluation of buildings and special structures throughout the northeast…” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
22	Twin Peaks Construction, INC	Exact match	Portland, OR, United StatesHQ recorded Sep 23, 2026	1-10	7 contacts →
	Exact match “OR CCB#:243170 We're a team of experienced construction professionals who tailor our services to suit our customers specific needs.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
23	Arris Consulting	Exact match	Portland, OR, United StatesHQ recorded Sep 23, 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 23, 2026 · View company records in RevenueBase
24	Fleschner Construction, LLC	Exact match	Portland, OR, United StatesHQ recorded Sep 23, 2026	11-50	6 contacts →
	Exact match “Since 2007, Fleschner Construction has proudly served the Portland metro area with residential and commercial construction services rooted in collaboration, craftsmanship, and…” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
25	MCA Architects, PC	Exact match	Portland, OR, United StatesHQ recorded Sep 23, 2026	11-50	5 contacts →
	Exact match “Since its establishment in 1974, MCA Architects has earned a reputation for consistent delivery of outstanding design, on time and within budget.” Recorded in the RevenueBase company graph · Sep 23, 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 “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 98 building consulting firms based in Portland, United States

See the full list, filter by size, metro and specialty, and access 251 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Building consulting firms based in Portland, United States at a glance

As of Sep 23, 2026

38.0%Verified-email coverage

6.7Average contacts per company

1-10Median size (employees)

Sep 23, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

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 98 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 “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 251 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 23, 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.

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

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

RevenueBase identified 98 company matches for 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?

Allied Engineering 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 building consulting firms?

New York leads the United States with 579 company records, followed by Houston (299) and Chicago (211). Portland has 98.

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 251 professional contacts with verified work emails tracked across these 98 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 23, 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.