Company lists · Data refreshed September 2026

Top 23 Architectural survey firms based in Washington, United States

Name: Architectural survey firms based in Washington, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 30, 2026 39 companies tracked

RevenueBase identified 39 company matches for architectural survey firms associated with Washington, United States as of September 2026 and tracks 767 professional contacts across them, including 318 with verified work emails. Across the United States, New York is the largest hub for this category (297 companies); Washington has 39.

This list covers company matches for architectural survey firms associated with Washington, 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

39Companies

767Contacts tracked

318Verified emails

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The 23 largest architectural survey firms based in Washington, United States

Ranked by team size

Top 23 of 39 company matches for architectural survey firms based in Washington, 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	Quinn Evans	Exact match	Washington, DC, United StatesHQ recorded Sep 30, 2026	51-200	225 contacts →
	Exact match “Creators of vital places.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
2	WDG	Exact match	Washington, DC, United StatesHQ recorded Sep 30, 2026	51-200	139 contacts →
	Exact match “With offices in DC and Dallas, WDG's portfolio includes more than 500 major buildings across 10 practice areas, including Office, Multifamily, Mixed Use, Higher Education…” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
3	Archi-Textual, Pllc	Exact match	Washington, DC, United StatesHQ recorded Sep 30, 2026	n/a	86 contacts →
	Exact match “ARCHI-TEXTUAL is a full service contemporary design firm serving the Washington DC metropolitan area, proud to offer the highest level of service and responsiveness.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
4	Shalom Baranes Associates	Exact match	Washington, DC, United StatesHQ recorded Sep 30, 2026	51-200	84 contacts →
	Exact match “Shalom Baranes Associates (SBA) is a Washington, DC architectural firm with an acclaimed reputation for its expertise in residential, commercial, institutional, and governmental…” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
5	SKB Architecture & Design	Exact match	Washington, DC, United StatesHQ recorded Sep 30, 2026	11-50	55 contacts →
	Exact match “Established in 1982, SKB Architecture and Design (SKB) is an award-winning architecture and interior architecture firm that has become a leader in providing architectural…” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
6	Amar Group, LLC	Exact match	Washington, DC, United StatesHQ recorded Sep 30, 2026	1-10	27 contacts →
	Exact match “AMAR Group, LLC is a full service architecture, civil engineering, facility assessement and Certified Third Party Inspection Company.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
7	Barnesvanze Architects	Exact match	Washington, DC, United StatesHQ recorded Sep 30, 2026	11-50	22 contacts →
	Exact match “Our co-founders, Anthony “Ankie” Barnes and Stephen Vanze, established Barnes Vanze Architects in 1989.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
8	Spiegel Zamecnik & Shah Inc. Structural Engineers	Exact match	Washington, DC, United StatesHQ recorded Sep 30, 2026	11-50	15 contacts →
	Exact match “Spiegel Zamecnik & Shah Inc.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
9	PGN Architects, Pllc	Exact match	Washington, DC, United StatesHQ recorded Sep 30, 2026	11-50	14 contacts →
	Exact match “PGN Architects, PLLC is a full service architectural firm with experience in residential and commercial planning and architecture.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
10	Drummond Projects	Exact match	Washington, United StatesHQ recorded Sep 30, 2026	1-10	11 contacts →
	Exact match “Drummond Projects is an Architectural Design Practice That Brings an Energetic Mix of Civic-Mindedness and Resourceful Vigor to The Design Process.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
11	Shinberg Levinas Architects	Exact match	Washington, DC, United StatesHQ recorded Sep 30, 2026	11-50	8 contacts →
	Exact match “A growing firm practicing Architecture & Interiors & Urban Design for the public and private realms, done responsibly.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
12	Square 134 Architects	Exact match	Washington, DC, United StatesHQ recorded Sep 30, 2026	11-50	8 contacts →
	Exact match “Square 134 Architects is an award-winning, full-service architectural design firm in Washington, D.C.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
13	Field & Tung Structural Engineers Pllc	Exact match	Washington, DC, United StatesHQ recorded Sep 30, 2026	1-10	7 contacts →
	Exact match “Field & Tung Structural Engineers is an engineering team which solves structural challenges for clients.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
14	DP Partners, LLC	Exact match	Washington, DC, United StatesHQ recorded Sep 30, 2026	1-10	6 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
15	R2l Architects, Pllc	Exact match	Washington, DC, United StatesHQ recorded Sep 30, 2026	11-50	5 contacts →
	Exact match “R2L:Architects, PLLC was founded in 2010 to create elegant solutions to the architectural challenges faced by our clients, including communities, corporations, institutions, and…” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
16	WJ Architects, LLC	Exact match	Washington, DC, United StatesHQ recorded Sep 30, 2026	1-10	3 contacts →
	Exact match “WJ Architects, LLC \| Washington, DC Architecture \| Interiors \| Planning WJ Architects is an architecture, planning and interiors company based in Washington, DC.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
17	Land Development Services Of Michigan L.L.C	Exact match	Washington, MI, United StatesHQ recorded Sep 30, 2026	1-10	3 contacts →
	Exact match “Since 1998, Land Development Services of Michigan L.L.C.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
18	K P Architects	Exact match	Washington, DC, United StatesHQ recorded Sep 30, 2026	1-10	3 contacts →
	Exact match “K+P Architects is a full-service architectural firm located at 1250 Connecticut Avenue in Washington, DC.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
19	Mckissack & Mckissack Of Washington, INC	Exact match	Washington, DC, United StatesHQ recorded Sep 30, 2026	51-200	2 contacts →
	Exact match “McKissack & McKissack is a national architectural, interiors, program and construction management and Infrastructure firm based in Washington, DC.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
20	Outerbridge Horsey Associates	Exact match	Washington, United StatesHQ recorded Sep 30, 2026	11-50	2 contacts →
	Exact match “Outerbridge Horsey Assoc is an Architecture and Planning company located in 1228 1/2 31st St Nw, Washington, Null, United States.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
21	Washington Engineering & Architecture, INC	Exact match	Washington, MO, United StatesHQ recorded Sep 30, 2026	1-10	2 contacts →
	Exact match “WEA is a fully staffed, full-service engineering firm also offering architecture and interior design services.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
22	Carbonado Design	Exact match	Washington, DC, United StatesHQ recorded Sep 30, 2026	1-10	2 contacts →
	Exact match “As unapologetic architecture generalist we bring a love of design and refinement to all of our projects.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
23	Demian Wilbur Architects	Exact match	Washington, DC, United StatesHQ recorded Sep 30, 2026	1-10	1 contacts →
	Exact match “Formed in 2005 by Eric Wilbur and Ziad Demian, demian\wilbur\architects studio is a certified small business entity located in Capital Hill serving the greater Washington DC…” 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 survey 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 23 of 39 architectural survey firms based in Washington, United States

See the full list, filter by size, metro and specialty, and access 318 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Architectural survey firms based in Washington, United States at a glance

As of Sep 30, 2026

41.5%Verified-email coverage

19.7Average contacts per company

1-10Median size (employees)

Sep 30, 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 Washington, so it is reported there. Company counts and contact totals on this page are exact for Washington, over 39 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 Washington, United States whose business descriptions match “architectural survey 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 318 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 survey 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 survey firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many architectural survey firms are there based in Washington, United States?

RevenueBase identified 39 company matches for architectural survey firms associated with Washington, 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?

Quinn Evans 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 survey firms?

New York leads the United States with 297 company records, followed by Chicago (88) and Houston (79). Washington has 39.

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 318 professional contacts with verified work emails tracked across these 39 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.