Company lists · Data refreshed September 2026

Top 25 Environmental design firms based in Pittsburgh, United States

Name: Environmental design firms based in Pittsburgh, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 19, 2026 50 companies tracked

RevenueBase identified 50 environmental design firms headquartered in Pittsburgh, United States as of September 2026 and tracks 597 professional contacts across them, including 250 with verified work emails. New York is the largest hub.

This list covers environmental design firms headquartered in Pittsburgh, United States, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 19, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 19, 2026 86% judged on-target in blind review

50Companies

597Contacts tracked

250Verified emails

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

Ranked by team size

Top 25 of 50 environmental design firms based in Pittsburgh, United States, ranked by team size, largest first. Data refreshed Sep 19, 2026. RevenueBase Smart Search rates how each company's information relates to environmental design firms: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Strada Design With People In Mind	Indirect evidence	Pittsburgh, PA, United StatesHQ checked Sep 19, 2026	51-200	87 contacts →
	Indirect evidence “Some companies choose to name their firms after their principals, but we decided to name our firm after one of our favorite things – streets.” Source: RevenueBase Database · checked Sep 19, 2026
2	IKM Architecture	Partial evidence	Pittsburgh, PA, United StatesHQ checked Sep 19, 2026	51-200	66 contacts →
	Partial evidence “At IKM, curiosity, knowledge, and technology drive us to improve the human experience through design.” Source: RevenueBase Database · checked Sep 19, 2026
3	Draw Collective	Partial evidence	Pittsburgh, PA, United StatesHQ checked Sep 19, 2026	11-50	63 contacts →
	Partial evidence “DRAW Collective provides meaningful architecture and design for educational, health & wellness, and community places that matter.” Source: RevenueBase Database · checked Sep 19, 2026
4	Rothschild Doyno Collaborative	Strong evidence	Pittsburgh, PA, United StatesHQ checked Sep 19, 2026	11-50	29 contacts →
	Strong evidence “We are an ARCHITECTURE and URBAN DESIGN firm committed to a COLLABORATIVE process with our clients that increases the VALUE of the built environment through MEANINGFUL design…” Source: RevenueBase Database · checked Sep 19, 2026
5	Urban Design Associates UDA	Partial evidence	Pittsburgh, PA, United StatesHQ checked Sep 19, 2026	11-50	26 contacts →
	Partial evidence “Since 1964, Urban Design Associates,(UDA) has been innovating, testing, and evolving the practice of urban design.” Source: RevenueBase Database · checked Sep 19, 2026
6	Pashek MTR	Partial evidence	Pittsburgh, PA, United StatesHQ checked Sep 19, 2026	11-50	19 contacts →
	Partial evidence “Pashek + MTR is an award-winning landscape architecture and community planning firm whose mission is to improve the environment and the communities we serve by connecting people…” Source: RevenueBase Database · checked Sep 19, 2026
7	R3a Architecture	Indirect evidence	Pittsburgh, PA, United StatesHQ checked Sep 19, 2026	11-50	18 contacts →
	Indirect evidence “At R3A our Vision is to become the catalyst that stimulates progressive change within our clients’ organizations.” Source: RevenueBase Database · checked Sep 19, 2026
8	WTW Architects	Indirect evidence	Pittsburgh, PA, United StatesHQ checked Sep 19, 2026	11-50	17 contacts →
	Indirect evidence “WTW Architects is now AE Works.” Source: RevenueBase Database · checked Sep 19, 2026
9	Mossarchitects	Partial evidence	Pittsburgh, PA, United StatesHQ checked Sep 19, 2026	11-50	16 contacts →
	Partial evidence “mossArchitects is a Pittsburgh-based architectural firm founded in 2006 by Andrew Moss with the intent to develop responsive, artful, expressive design solutions.” Source: RevenueBase Database · checked Sep 19, 2026
10	DLA Architecture & Interior Design	Partial evidence	Pittsburgh, PA, United StatesHQ checked Sep 19, 2026	11-50	15 contacts →
	Partial evidence “DLA+ is a full service Architecture and Interior design firm dedicated to providing Strategic Architecture solutions through a collaborative and integrated approach to delivering…” Source: RevenueBase Database · checked Sep 19, 2026
11	Indovina Associates Architects LLC	Partial evidence	Pittsburgh, PA, United StatesHQ checked Sep 19, 2026	11-50	14 contacts →
	Partial evidence “Indovina Associates Architects is a multi-disciplined Design Firm of design professionals and supporting staff.” Source: RevenueBase Database · checked Sep 19, 2026
12	LBA Landscape Architecture	Partial evidence	Pittsburgh, PA, United StatesHQ checked Sep 19, 2026	1-10	12 contacts →
	Partial evidence “LBA Landscape Architecture is a landscape architecture, urban design, and land planning firm based in Pittsburgh, Pennsylvania.” Source: RevenueBase Database · checked Sep 19, 2026
13	Environmental Planning & Design	Strong evidence	Pittsburgh, PA, United StatesHQ checked Sep 19, 2026	11-50	11 contacts →
	Strong evidence “Environmental Planning & Design, LLC is an integrated landscape architecture, community planning, and urban design firm based in Pittsburgh, Pennsylvania.” Source: RevenueBase Database · checked Sep 19, 2026
14	Avon Design Group	Indirect evidence	Pittsburgh, PA, United StatesHQ checked Sep 19, 2026	1-10	10 contacts →
	Indirect evidence “Full Service Architecture Firm” Source: RevenueBase Database · checked Sep 19, 2026
15	Pfaffmann Associates	Partial evidence	Pittsburgh, PA, United StatesHQ checked Sep 19, 2026	1-10	7 contacts →
	Partial evidence “Pfaffmann + Associates innovates in broad areas of architecture, urban design and preservation.” Source: RevenueBase Database · checked Sep 19, 2026
16	Merritt Chase	Indirect evidence	Pittsburgh, PA, United StatesHQ checked Sep 19, 2026	1-10	6 contacts →
	Indirect evidence “Merritt Chase is a landscape architecture firm dedicated to creating public spaces that connect people, culture, and ecology across Middle America.” Source: RevenueBase Database · checked Sep 19, 2026
17	Enginehouse	Strong evidence	Pittsburgh, PA, United StatesHQ checked Sep 19, 2026	11-50	6 contacts →
	Strong evidence “EngineHouse is a group of designers, builders, and makers working toward a sustainable and enduring built environment.” Source: RevenueBase Database · checked Sep 19, 2026
18	Iams Consulting LLC	Indirect evidence	Pittsburgh, PA, United StatesHQ checked Sep 19, 2026	11-50	5 contacts →
	Indirect evidence “Iams Consulting LLC provides high quality, innovative mechanical, electrical, plumbing and fire protection engineering services.” Source: RevenueBase Database · checked Sep 19, 2026
19	Penner & Associates Architects	Indirect evidence	Pittsburgh, PA, United StatesHQ checked Sep 19, 2026	1-10	3 contacts →
	Indirect evidence “Penner & Associates Architects (P & AA) represents a 24+ year career in the practice of architecture.” Source: RevenueBase Database · checked Sep 19, 2026
20	Zero Commute Architecture	Partial evidence	Pittsburgh, PA, United StatesHQ checked Sep 19, 2026	1-10	2 contacts →
	Partial evidence “Our mission is to help make our world a better place through sustainable and resilient design.” Source: RevenueBase Database · checked Sep 19, 2026
21	Sonder Architecture Design, LLC	Partial evidence	Pittsburgh, PA, United StatesHQ checked Sep 19, 2026	1-10	2 contacts →
	Partial evidence “Sonder Architecture + Design, Llc is a company based out of 848 W North Ave Ste 105, Pittsburgh, Pennsylvania, United States.” Source: RevenueBase Database · checked Sep 19, 2026
22	WAY Architecture Design Partners, LLC	Partial evidence	Pittsburgh, PA, United StatesHQ checked Sep 19, 2026	1-10	2 contacts →
	Partial evidence “A full-service architecture and interior design consulting firm specializing in the corporate, developer, multi-family housing, institutional, retail, science and technology and…” Source: RevenueBase Database · checked Sep 19, 2026
23	J. Frank Studios, LLC	Partial evidence	Pittsburgh, PA, United StatesHQ checked Sep 19, 2026	1-10	2 contacts →
	Partial evidence “We are comprehensive land designers for urban, suburban, and rural places.” Source: RevenueBase Database · checked Sep 19, 2026
24	Terra Design Studios, LLC	Partial evidence	Pittsburgh, PA, United StatesHQ checked Sep 19, 2026	1-10	2 contacts →
	Partial evidence “FIRM HISTORY // Cindy Tyler founded Terra Design Studios in 2006, based on a lifelong passion to reunite people with the natural cycles of the earth through the landscapes around…” Source: RevenueBase Database · checked Sep 19, 2026
25	Graves Design Group	Indirect evidence	Pittsburgh, PA, United StatesHQ checked Sep 19, 2026	51-200	1 contacts →
	Indirect evidence Source: RevenueBase Database · checked Sep 19, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: environmental design firms. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names environmental design firms.
Partial evidence: Its own public description names part of environmental design firms, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name environmental design firms. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 25 of 50 environmental design firms based in Pittsburgh, United States

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

As of Sep 19, 2026

41.9%Verified-email coverage

11.9Average contacts per company

1-10Median size (employees)

1106.0%Largest-city concentration · New York

Sep 19, 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 Pittsburgh, so it is reported there. Company counts and contact totals on this page are exact for Pittsburgh, over 50 companies.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among environmental design firms, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies: Companies headquartered in Pittsburgh, United States whose own description of what they do matches “environmental design firms”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search: RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names environmental design firms), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude: Companies whose own description does not clearly place them among environmental design firms, and records with no verified work email. Companies headquartered outside Pittsburgh are excluded even when they keep an office there.
Match quality: In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 250 across the full list. 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.
Corrections: Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Environmental design firms by metro in the United States

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names environmental design firms, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

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

RevenueBase identified 50 environmental design firms headquartered in Pittsburgh, United States as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Strada Design With People In Mind, headquartered in Pittsburgh, tops this list with the largest team on record.

Which city has the most environmental design firms?

New York leads with 553 headquartered companies, followed by Los Angeles (272) and Chicago (205).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 250 verified decision-maker contacts tracked across these 50 companies.

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 Smart Search, 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.