Company lists · Data refreshed September 2026

Top 25 Environmental design firms based in Washington, United States

Name: Environmental design 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 19, 2026 88 companies tracked

RevenueBase identified 88 company matches for environmental design firms associated with Washington, United States as of September 2026 and tracks 2,637 professional contacts across them, including 904 with verified work emails. Across the United States, New York is the largest hub for this category (553 companies); Washington has 88.

This list covers company matches for environmental design 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 19, 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 19, 2026 How this list was built

88Companies

2,637Contacts tracked

904Verified emails

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The 25 largest environmental design firms based in Washington, United States

Ranked by team size

Top 25 of 88 company matches for environmental design firms based in Washington, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 19, 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	PAGE	Exact match	Washington, DC, United StatesHQ recorded Sep 19, 2026	1,001-5,000	1,191 contacts →
	Exact match “Performance by Design.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
2	Quinn Evans	Exact match	Washington, DC, United StatesHQ recorded Sep 19, 2026	51-200	225 contacts →
	Exact match “Creators of vital places.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
3	Setty & Associates	Exact match	Washington, DC, United StatesHQ recorded Sep 19, 2026	201-500	220 contacts →
	Exact match “Established in 1984, SETTY is headquartered in Fairfax, VA, with offices in Atlanta, GA, Baltimore, MD, Charlottesville, VA, Fairfax, VA, Los Angeles, CA, New York, NY…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
4	Torti Gallas Partners	Exact match	Washington, DC, United StatesHQ recorded Sep 19, 2026	51-200	142 contacts →
	Exact match “With a passion for architecture, urban design, planning and placemaking, Torti Gallas + Partners (TG+P) designs places and buildings that transform neighborhoods, promoting…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
5	Shalom Baranes Associates	Exact match	Washington, DC, United StatesHQ recorded Sep 19, 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 19, 2026 · View company records in RevenueBase
6	Peer Consultants, P.C	Exact match	Washington, DC, United StatesHQ recorded Sep 19, 2026	51-200	71 contacts →
	Exact match “In 1978, PEER was established under Dr.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
7	SKB Architecture & Design	Exact match	Washington, DC, United StatesHQ recorded Sep 19, 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 19, 2026 · View company records in RevenueBase
8	David M. Schwarz Architects	Exact match	Washington, DC, United StatesHQ recorded Sep 19, 2026	11-50	40 contacts →
	Exact match “David M.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
9	FOX Architects	Exact match	Washington, DC, United StatesHQ recorded Sep 19, 2026	51-200	40 contacts →
	Exact match “FOX Architects is an integrated, award-winning architecture and interior design firm in Washington, DC.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
10	CGS Architects	Exact match	Washington, DC, United StatesHQ recorded Sep 19, 2026	11-50	30 contacts →
	Exact match “CGS Architects was founded in Georgetown in 1981 to provide services in master planning, architecture and interior design.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
11	Moya Design Partners Moya	Exact match	Washington, DC, United StatesHQ recorded Sep 19, 2026	11-50	26 contacts →
	Exact match “Moya Design Partners (MOYA) is a multidisciplinary design studio known for its inclusivity, sustainability, and cultural sensitivity.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
12	Barnesvanze Architects	Exact match	Washington, DC, United StatesHQ recorded Sep 19, 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 19, 2026 · View company records in RevenueBase
13	Fillat Architecture	Exact match	Washington, DC, United StatesHQ recorded Sep 19, 2026	11-50	20 contacts →
	Exact match “FILLAT+ is a design studio headquartered in Washington, DC with offices in Baltimore, New York and San Diego.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
14	Oehme, VAN Sweden OVS	Exact match	Washington, DC, United StatesHQ recorded Sep 19, 2026	11-50	18 contacts →
	Exact match “OvS is an award-winning practice of landscape architecture based in Washington, DC.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
15	Cunningham Quill Architects	Exact match	Washington, DC, United StatesHQ recorded Sep 19, 2026	11-50	18 contacts →
	Exact match “Established in 1996, Cunningham \| Quill Architects has generated a diverse portfolio of projects that celebrate context and reflect a fresh and insightful approach to design.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
16	KGP Design Studio, LLC	Exact match	Washington, DC, United StatesHQ recorded Sep 19, 2026	11-50	17 contacts →
	Exact match “KGP design studio is a diverse, international and multidisciplinary design firm with expertise in architecture, urban design and transit.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
17	Bell Architects, PC	Exact match	Washington, DC, United StatesHQ recorded Sep 19, 2026	11-50	16 contacts →
	Exact match “BELL Architects' works closely with communities to create places where people want to be.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
18	Bradley Site Design, INC	Exact match	Washington, DC, United StatesHQ recorded Sep 19, 2026	11-50	16 contacts →
	Exact match “Located in Washington, DC, Bradley Site Design is a dynamic Landscape Architecture, Civil Engineering and Planning firm founded in 1994 and dedicated to the creation of socially…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
19	Perkins Eastman DC	Exact match	Washington, DC, United StatesHQ recorded Sep 19, 2026	11-50	15 contacts →
	Exact match “Founded in 2011, Perkins Eastman DC (PEDC) was formed by a group of like-minded designers dedicated to the District of Columbia's urban core.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
20	Blackburn Architects, P.C	Exact match	Washington, DC, United StatesHQ recorded Sep 19, 2026	1-10	15 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
21	Soto Architecture & Urban Design, Pllc	Exact match	Washington, DC, United StatesHQ recorded Sep 19, 2026	11-50	14 contacts →
	Exact match “Architecture & Urban design team located in the 14th Street corridor of Washington, DC.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
22	Environmental Design Research Association	Exact match	Washington, DC, United StatesHQ recorded Sep 19, 2026	1-10	14 contacts →
	Exact match “The Environmental Design Research Association (EDRA) is an international, interdisciplinary organization founded in 1968 by design professionals, social scientists, students…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
23	PGN Architects, Pllc	Exact match	Washington, DC, United StatesHQ recorded Sep 19, 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 19, 2026 · View company records in RevenueBase
24	LEE And Associates, INC	Exact match	Washington, DC, United StatesHQ recorded Sep 19, 2026	11-50	12 contacts →
	Exact match “lee and associates, inc (lai) is a respected and highly responsive firm offering planning and design professional services as it relates to how man relates to the land and the…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
25	Studiomb	Exact match	Washington, DC, United StatesHQ recorded Sep 19, 2026	11-50	12 contacts →
	Exact match “StudioMB, located in Washington, D.C, pursues a range of project types and provides complete professional services in the fields of architecture, campus and community planning…” Recorded in the RevenueBase company graph · Sep 19, 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 “environmental design 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 88 environmental design firms based in Washington, United States

See the full list, filter by size, metro and specialty, and access 904 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Environmental design firms based in Washington, United States at a glance

As of Sep 19, 2026

34.3%Verified-email coverage

30.0Average contacts per company

1-10Median size (employees)

Sep 19, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

1,001-5,000

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 88 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 “environmental design 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 904 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 19, 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.

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

How many environmental design firms are there based in Washington, United States?

RevenueBase identified 88 company matches for environmental design 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?

PAGE 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 environmental design firms?

New York leads the United States with 553 company records, followed by Los Angeles (272) and Chicago (205). Washington has 88.

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 904 professional contacts with verified work emails tracked across these 88 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 19, 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.