Company lists · Data refreshed September 2026

Top 25 Architectural conservation firms based in Portland, United States

Name: Architectural conservation 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 30, 2026 53 companies tracked

RevenueBase identified 53 company matches for architectural conservation firms associated with Portland, United States as of September 2026 and tracks 277 professional contacts across them, including 149 with verified work emails. Across the United States, New York is the largest hub for this category (356 companies); Portland has 53.

This list covers company matches for architectural conservation 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 30, 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 30, 2026 How this list was built

53Companies

277Contacts tracked

149Verified emails

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

Ranked by team size

Top 25 of 53 company matches for architectural conservation firms based in Portland, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 30, 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	Soderstrom Architects	Exact match	Portland, OR, United StatesHQ recorded Sep 30, 2026	11-50	45 contacts →
	Exact match “Founded in 1984, Soderstrom Architects is a multidisciplinary design firm creating thoughtful, human-centered environments that strengthen communities and support long-term…” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
2	Archaeological Investigations Northwest, INC	Exact match	Portland, OR, United StatesHQ recorded Sep 30, 2026	11-50	27 contacts →
	Exact match “Archaeological Investigations Northwest, Inc.(AINW), provides the full spectrum of cultural resource consulting services to both public and private sector clients in the Pacific…” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
3	Simons Architects	Exact match	Portland, ME, United StatesHQ recorded Sep 30, 2026	11-50	15 contacts →
	Exact match “Simons Architects was originally established in 1995.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
4	C2k Architecture, INC	Exact match	Portland, OR, United StatesHQ recorded Sep 30, 2026	11-50	14 contacts →
	Exact match “Since 2010, C2K Architecture has been shaping spaces that inspire and endure.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
5	Arciform	Exact match	Portland, OR, United StatesHQ recorded Sep 30, 2026	11-50	12 contacts →
	Exact match “At ARCIFORM we are inspired by the stories of people and spaces.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
6	JHL Design INC	Exact match	Portland, OR, United StatesHQ recorded Sep 30, 2026	11-50	11 contacts →
	Exact match “We are a full-service Architectural & Interior Design firm, offering a conception to completion vision for each project.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
7	Axis Design Group Architecture & Engineering, INC	Exact match	Portland, OR, United StatesHQ recorded Sep 30, 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 30, 2026 · View company records in RevenueBase
8	m.thrailkill.architect.llc	Exact match	Portland, OR, United StatesHQ recorded Sep 30, 2026	11-50	10 contacts →
	Exact match “We provide architectural services to support architecture and engineering firms, construction companies, and project owners.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
9	Studio Petretti Architecture	Exact match	Portland, OR, United StatesHQ recorded Sep 30, 2026	1-10	9 contacts →
	Exact match “Studio Petretti is a design-driven office focused on thoughtfulness of execution, service, and sustainability.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
10	Applied Archaeological Research, INC	Exact match	Portland, OR, United StatesHQ recorded Sep 30, 2026	1-10	9 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
11	Emerick Architects	Exact match	Portland, OR, United StatesHQ recorded Sep 30, 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 30, 2026 · View company records in RevenueBase
12	MCA Architects, PC	Exact match	Portland, OR, United StatesHQ recorded Sep 30, 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 30, 2026 · View company records in RevenueBase
13	Constructive Form	Exact match	Portland, OR, United StatesHQ recorded Sep 30, 2026	1-10	5 contacts →
	Exact match “Constructive Form Architecture and Design LLC, based in Portland, Oregon, was founded in 2006.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
14	Peter Meijer Architect, PC PMA	Exact match	Portland, OR, United StatesHQ recorded Sep 30, 2026	1-10	4 contacts →
	Exact match “We exist to produce innovative restoration, preservation and material science solution in response to architecture and planning needs.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
15	Jessie Carroll Architect, LLC	Exact match	Portland, ME, United StatesHQ recorded Sep 30, 2026	1-10	4 contacts →
	Exact match “JCA is a female-owned architectural firm based in Maine, and founded by Principal Jessie Carroll, AIA.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
16	Whipple Callender Architects	Exact match	Portland, ME, United StatesHQ recorded Sep 30, 2026	1-10	3 contacts →
	Exact match “Based in Portland, Maine, Whipple \| Callender Architects serves both residential and commercial clientele throughout New England.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
17	Diloreto Architecture	Exact match	Portland, OR, United StatesHQ recorded Sep 30, 2026	1-10	3 contacts →
	Exact match “di loretoARCHITECTURE, founded in 1984 in Portland Oregon, offers the full range of design services from programming and campus master planning to interior design, cost estimating…” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
18	R2 Architecture Planning	Exact match	Portland, OR, United StatesHQ recorded Sep 30, 2026	1-10	3 contacts →
	Exact match “Full Service residential and commercial architectural firm serving the Pacific Northwest.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
19	QUAD	Exact match	Portland, OR, United StatesHQ recorded Sep 30, 2026	1-10	2 contacts →
	Exact match “We provide a full range of architectural services from project feasibility studies through construction.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
20	Curious Architects LLC	Exact match	Portland, OR, United StatesHQ recorded Sep 30, 2026	1-10	2 contacts →
	Exact match “Curious Architects is a sustainability-focused architecture firm based in Portland, Oregon.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
21	C Change Design By Chelly Wentworth Kitchen & Bath Remodeling Portland, OR	Exact match	Portland, OR, United StatesHQ recorded Sep 30, 2026	11-50	2 contacts →
	Exact match “Chelly Wentworth has been creating beautiful, functional, client-centered architectural designs for her residential clientele since 2002.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
22	Integrate Architecture & Planning, P.C	Exact match	Portland, OR, United StatesHQ recorded Sep 30, 2026	1-10	2 contacts →
	Exact match “Services Commercial / Mercantile / Hospitality – Integrate provides complete Architectural Services through all phases of design, bidding, permitting, and construction for new…” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
23	RDS Architects	Exact match	Portland, ME, United StatesHQ recorded Sep 30, 2026	1-10	2 contacts →
	Exact match “RDS is an architecture firm focused on providing personal, responsible, and outstanding design solutions to a wide variety of both commercial and residential projects.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
24	Koble Creative, Architecture LLC	Exact match	Portland, OR, United StatesHQ recorded Sep 30, 2026	11-50	1 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
25	Dortignacq Architecture	Exact match	Portland, OR, United StatesHQ recorded Sep 30, 2026	1-10	1 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 30, 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 “architectural conservation 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 53 architectural conservation firms based in Portland, United States

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Architectural conservation firms based in Portland, United States at a glance

As of Sep 30, 2026

53.8%Verified-email coverage

5.2Average contacts per company

1-10Median size (employees)

Sep 30, 2026Page data refreshed

Companies by employee count

1-10

11-50

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 53 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 “architectural conservation 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 149 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 30, 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.

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

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

RevenueBase identified 53 company matches for architectural conservation 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?

Soderstrom Architects 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 architectural conservation firms?

New York leads the United States with 356 company records, followed by Los Angeles (101) and Chicago (94). Portland has 53.

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 149 professional contacts with verified work emails tracked across these 53 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 30, 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.