Company lists · Data refreshed September 2026

Top 21 Sustainable design firms based in Pittsburgh, United States

Name: Sustainable 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 22, 2026 31 companies tracked

RevenueBase identified 31 company matches for sustainable design firms associated with Pittsburgh, United States as of September 2026 and tracks 293 professional contacts across them, including 119 with verified work emails. Across the United States, New York is the largest hub for this category (322 companies); Pittsburgh has 31.

This list covers company matches for sustainable design firms associated with Pittsburgh, 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 22, 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 22, 2026 How this list was built

31Companies

293Contacts tracked

119Verified emails

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The 21 largest sustainable design firms based in Pittsburgh, United States

Ranked by team size

Top 21 of 31 company matches for sustainable design firms based in Pittsburgh, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 22, 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	Evolveea	Exact match	Pittsburgh, PA, United StatesHQ recorded Sep 22, 2026	11-50	32 contacts →
	Exact match “evolve environment:architecture is a nimble multidisciplinary practice situated at the intersection of sustainability and the built environment.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
2	Rothschild Doyno Collaborative	Exact match	Pittsburgh, PA, United StatesHQ recorded Sep 22, 2026	11-50	29 contacts →
	Exact match “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…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
3	Urban Design Associates UDA	Exact match	Pittsburgh, PA, United StatesHQ recorded Sep 22, 2026	11-50	26 contacts →
	Exact match “Since 1964, Urban Design Associates,(UDA) has been innovating, testing, and evolving the practice of urban design.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
4	R3a Architecture	Exact match	Pittsburgh, PA, United StatesHQ recorded Sep 22, 2026	11-50	18 contacts →
	Exact match “At R3A our Vision is to become the catalyst that stimulates progressive change within our clients’ organizations.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
5	WTW Architects	Exact match	Pittsburgh, PA, United StatesHQ recorded Sep 22, 2026	11-50	17 contacts →
	Exact match “WTW Architects is now AE Works.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
6	Mossarchitects	Exact match	Pittsburgh, PA, United StatesHQ recorded Sep 22, 2026	11-50	16 contacts →
	Exact match “mossArchitects is a Pittsburgh-based architectural firm founded in 2006 by Andrew Moss with the intent to develop responsive, artful, expressive design solutions.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
7	Architectural Innovations, LLC	Exact match	Pittsburgh, PA, United StatesHQ recorded Sep 22, 2026	11-50	16 contacts →
	Exact match “Architectural Innovations, LLC is a Women Business Enterprise (WBE) that provides comprehensive architectural, planning, and consulting services for multiple types of building…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
8	DLA Architecture & Interior Design	Exact match	Pittsburgh, PA, United StatesHQ recorded Sep 22, 2026	11-50	15 contacts →
	Exact match “DLA+ is a full service Architecture and Interior design firm dedicated to providing Strategic Architecture solutions through a collaborative and integrated approach to delivering…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
9	Indovina Associates Architects LLC	Exact match	Pittsburgh, PA, United StatesHQ recorded Sep 22, 2026	11-50	14 contacts →
	Exact match “Indovina Associates Architects is a multi-disciplined Design Firm of design professionals and supporting staff.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
10	Bruce Construction, LLC	Exact match	Pittsburgh, PA, United StatesHQ recorded Sep 22, 2026	1-10	13 contacts →
	Exact match “Bruce Construction, LLC is a commercial and residential construction company located in the suburbs East of Pittsburgh.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
11	Avon Design Group	Exact match	Pittsburgh, PA, United StatesHQ recorded Sep 22, 2026	1-10	10 contacts →
	Exact match “Full Service Architecture Firm” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
12	Pfaffmann Associates	Exact match	Pittsburgh, PA, United StatesHQ recorded Sep 22, 2026	1-10	7 contacts →
	Exact match “Pfaffmann + Associates innovates in broad areas of architecture, urban design and preservation.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
13	Enginehouse	Exact match	Pittsburgh, PA, United StatesHQ recorded Sep 22, 2026	11-50	6 contacts →
	Exact match “EngineHouse is a group of designers, builders, and makers working toward a sustainable and enduring built environment.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
14	Iams Consulting LLC	Exact match	Pittsburgh, PA, United StatesHQ recorded Sep 22, 2026	11-50	5 contacts →
	Exact match “Iams Consulting LLC provides high quality, innovative mechanical, electrical, plumbing and fire protection engineering services.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
15	Greenman Black	Exact match	Pittsburgh, PA, United StatesHQ recorded Sep 22, 2026	1-10	3 contacts →
	Exact match “Founded by best selling author and world thought leader in sustainability, Corey Glickman and partner specializing in branding and marketing Denni Lewis Glickman.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
16	Zero Commute Architecture	Exact match	Pittsburgh, PA, United StatesHQ recorded Sep 22, 2026	1-10	2 contacts →
	Exact match “Our mission is to help make our world a better place through sustainable and resilient design.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
17	Sonder Architecture Design, LLC	Exact match	Pittsburgh, PA, United StatesHQ recorded Sep 22, 2026	1-10	2 contacts →
	Exact match “Sonder Architecture + Design, Llc is a company based out of 848 W North Ave Ste 105, Pittsburgh, Pennsylvania, United States.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
18	Moshier Studio	Exact match	Pittsburgh, PA, United StatesHQ recorded Sep 22, 2026	1-10	2 contacts →
	Exact match “Moshier Studio is an Architecture and Planning company located at 1501 Reedsdale Street, in Pittsburgh's Chateau neighborhood” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
19	J. Frank Studios, LLC	Exact match	Pittsburgh, PA, United StatesHQ recorded Sep 22, 2026	1-10	2 contacts →
	Exact match “We are comprehensive land designers for urban, suburban, and rural places.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
20	Terra Design Studios, LLC	Exact match	Pittsburgh, PA, United StatesHQ recorded Sep 22, 2026	1-10	2 contacts →
	Exact match “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…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
21	Baumgartner Urban Systems Strategy Buss	Exact match	Pittsburgh, PA, United StatesHQ recorded Sep 22, 2026	1-10	1 contacts →
	Exact match “Steven Baumgartner founded Baumgartner Urban Systems Strategy LLC (BUSS) after two decades with global integrated design, engineering, planning and architecture firms.” Recorded in the RevenueBase company graph · Sep 22, 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 “sustainable 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 21 of 31 sustainable design firms based in Pittsburgh, United States

See the full list, filter by size, metro and specialty, and access 119 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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

As of Sep 22, 2026

40.6%Verified-email coverage

9.5Average contacts per company

1-10Median size (employees)

Sep 22, 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 Pittsburgh, so it is reported there. Company counts and contact totals on this page are exact for Pittsburgh, over 31 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 Pittsburgh, United States whose business descriptions match “sustainable 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 119 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 22, 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.

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

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

RevenueBase identified 31 company matches for sustainable design firms associated with Pittsburgh, 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?

Evolveea 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 sustainable design firms?

New York leads the United States with 322 company records, followed by Los Angeles (146) and Seattle (121). Pittsburgh has 31.

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 119 professional contacts with verified work emails tracked across these 31 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 22, 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.