Company lists · Data refreshed October 2026

Top 25 Energy efficient building architects based in Philadelphia, United States

Name: Energy efficient building architects based in Philadelphia, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 12, 2026 64 companies tracked

RevenueBase identified 64 company matches for energy efficient building architects associated with Philadelphia, United States as of October 2026 and tracks 579 professional contacts across them, including 268 with verified work emails. Across the United States, New York is the largest hub for this category (328 companies); Philadelphia has 64.

This list covers company matches for energy efficient building architects associated with Philadelphia, 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 October 12, 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 Oct 12, 2026 How this list was built

64Companies

579Contacts tracked

268Verified emails

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The 25 largest energy efficient building architects based in Philadelphia, United States

Ranked by team size

Top 25 of 64 company matches for energy efficient building architects based in Philadelphia, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 12, 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	Kierantimberlake	Exact match	Philadelphia, PA, United StatesHQ recorded Oct 12, 2026	51-200	67 contacts →
	Exact match “The alchemy of art, science, analysis, and intuition with regard to the built environment is our core mission.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
2	Digsau	Exact match	Philadelphia, PA, United StatesHQ recorded Oct 12, 2026	11-50	43 contacts →
	Exact match “DIGSAU practices contemporary architecture, urbanism and environmental design.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
3	IEI Group, LTD	Exact match	Philadelphia, PA, United StatesHQ recorded Oct 12, 2026	11-50	35 contacts →
	Exact match “IEI is a nationally recognized, award-winning, 20-person architecture, interior design and facilities planning firm based in Northern Liberties for last 20 years.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
4	CBP Architects	Exact match	Philadelphia, PA, United StatesHQ recorded Oct 12, 2026	11-50	27 contacts →
	Exact match “CBP Architects is an architecture firm providing design services to governmental, educational, institutional and private sector clients.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
5	Cosciamoos Architecture	Exact match	Philadelphia, PA, United StatesHQ recorded Oct 12, 2026	11-50	27 contacts →
	Exact match “CosciaMoos Architecture, founded by principals Sergio Coscia and David Moos, provides architectural design and planning across a broad range of project types, serving clients…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
6	MGA Partners	Exact match	Philadelphia, PA, United StatesHQ recorded Oct 12, 2026	11-50	27 contacts →
	Exact match “OUR FIRM \| Based in Philadelphia, MGA Partners is a nationally recognized firm distinguished for architecture that is considered, crafted, and resonant with its place.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
7	Innova Services Corporation	Exact match	Philadelphia, PA, United StatesHQ recorded Oct 12, 2026	11-50	26 contacts →
	Exact match “Innova brings more than 20 years of experience in the multi-family industry to bear in order to assist developers in all phases of development: resource efficiency…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
8	Wulff Architects	Exact match	Philadelphia, PA, United StatesHQ recorded Oct 12, 2026	11-50	25 contacts →
	Exact match “Named after its founder and President, Al Wulff, Wulff Architects was envisioned in 1992 as a community of architects and designers working together to advance both commercial…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
9	RE Vision Architecture	Exact match	Philadelphia, PA, United StatesHQ recorded Oct 12, 2026	11-50	20 contacts →
	Exact match “Re:Vision is a deep green architecture and sustainability consulting practice dedicated to the design of high-performance buildings and sustainable communities.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
10	SMP Architects	Exact match	Philadelphia, PA, United StatesHQ recorded Oct 12, 2026	11-50	14 contacts →
	Exact match “Attention to environmental concerns and historic, cultural, and architectural contexts are the hallmarks of our firm.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
11	Tantillo Architecture LLC	Exact match	Philadelphia, PA, United StatesHQ recorded Oct 12, 2026	1-10	12 contacts →
	Exact match “Tantillo Architecture is a high energy generalist architectural design firm focused on bringing innovative design strategies to commercial and residential clients.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
12	Charles Matsinger Associates	Exact match	Philadelphia, PA, United StatesHQ recorded Oct 12, 2026	11-50	12 contacts →
	Exact match “We are "The No-Attitude Architects,” a full service architectural firm committed to providing innovative architecture that enhances our clients’ quality of life where they live…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
13	Krieger Associates Architects INC	Exact match	Philadelphia, PA, United StatesHQ recorded Oct 12, 2026	1-10	8 contacts →
	Exact match “Krieger + Associates Architects Inc is an award-winning Philadelphia firm providing architectural, planning, and interior design services to residential, institutional, and…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
14	Brawer Hauptman Larkin Architects	Exact match	Philadelphia, PA, United StatesHQ recorded Oct 12, 2026	1-10	7 contacts →
	Exact match “Brawer Hauptman + Larkin Architects is an architecture, planning and interior design firm located in Philadelphia.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
15	Toner Architects	Exact match	Philadelphia, PA, United StatesHQ recorded Oct 12, 2026	1-10	6 contacts →
	Exact match “Toner architects was founded with one singular goal in mind; collaborate with clients who enjoy the process of design, architecture, and building.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
16	Millan Architects	Exact match	Philadelphia, PA, United StatesHQ recorded Oct 12, 2026	1-10	5 contacts →
	Exact match “Millan Architects is an architecture firm based in Philadelphia devoted to crafting thoughtful spaces of enduring beauty, lasting value and environmental sustainability.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
17	Onion Flats Architecture	Exact match	Philadelphia, PA, United StatesHQ recorded Oct 12, 2026	1-10	5 contacts →
	Exact match “Onion Flats Architecture focuses on community development, multidisciplinary thinking and making, high-performance building technologies and alternative construction methodologies.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
18	Stanev Potts Architects	Exact match	Philadelphia, United StatesHQ recorded Oct 12, 2026	1-10	4 contacts →
	Exact match “At Stanev Potts Architects, we are deeply committed to our vocation and to our clients.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
19	Avlv Architecture & Development	Exact match	Philadelphia, PA, United StatesHQ recorded Oct 12, 2026	1-10	4 contacts →
	Exact match “We are AVLV (Avolve), a vertically integrated sustainable architecture, development, and real estate firm built to do things differently.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
20	Alma Architecture	Exact match	Philadelphia, PA, United StatesHQ recorded Oct 12, 2026	11-50	4 contacts →
	Exact match “ALMA Architecture was founded in 2013 by Adrienne McKinney in Center City Philadelphia.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
21	Lauren Thomsen Design	Exact match	Philadelphia, PA, United StatesHQ recorded Oct 12, 2026	1-10	3 contacts →
	Exact match “Lauren Thomsen Design is an award winning Philadelphia-based architectural design firm.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
22	Mark B. Thompson Associates, PC	Exact match	Philadelphia, PA, United StatesHQ recorded Oct 12, 2026	1-10	3 contacts →
	Exact match “Mark B.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
23	Studio 111 Architecture	Exact match	Philadelphia, PA, United StatesHQ recorded Oct 12, 2026	1-10	3 contacts →
	Exact match “Studio Architecture is a Philadelphia based design firm, providing service throughout the region.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
24	Vsba Architects & Planners	Exact match	Philadelphia, PA, United StatesHQ recorded Oct 12, 2026	11-50	3 contacts →
	Exact match “VSBA Architects & Planners serve academic, health care, museum, civic, and institutional clients, offering a full range of services from planning and programming through design…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
25	Woodcock Design	Exact match	Philadelphia, PA, United StatesHQ recorded Oct 12, 2026	1-10	2 contacts →
	Exact match “Based out of 1518 Walnut St Suite 1308, Philadelphia, Woodcock Design is a full service, end-to-end architecture, planning and urban design firm.” Recorded in the RevenueBase company graph · Oct 12, 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 “energy efficient building architects”. 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 64 energy efficient building architects based in Philadelphia, United States

See the full list, filter by size, metro and specialty, and access 268 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Energy efficient building architects based in Philadelphia, United States at a glance

As of Oct 12, 2026

46.3%Verified-email coverage

9.0Average contacts per company

1-10Median size (employees)

Oct 12, 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 Philadelphia, so it is reported there. Company counts and contact totals on this page are exact for Philadelphia, over 64 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 Philadelphia, United States whose business descriptions match “energy efficient building architects” 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 268 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 October 12, 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.

Energy efficient building architects 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 “energy efficient building architects”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many energy efficient building architects are there based in Philadelphia, United States?

RevenueBase identified 64 company matches for energy efficient building architects associated with Philadelphia, United States as of October 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?

Kierantimberlake 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 energy efficient building architects?

New York leads the United States with 328 company records, followed by Los Angeles (121) and Chicago (108). Philadelphia has 64.

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 268 professional contacts with verified work emails tracked across these 64 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 October 12, 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.