Company lists · Data refreshed September 2026

Top 25 Architecture companies based in Pasadena, United States

Name: Architecture companies based in Pasadena, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 6, 2026 78 companies tracked

This directory lists 78 architecture companies based in Pasadena, United States, with 1,187 contacts and 509 email addresses. As of September 2026, New York is the single most-represented city among the companies on the list.

Architecture companies design buildings and other structures, develop plans and specifications, and advise clients on construction, renovation, and project delivery. This list covers companies that provide architectural design, planning, documentation, or related building design services. Ranked by team size, largest first. Data current as of September 6, 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 6, 2026 86% judged on-target in blind review

78Companies

1,187Contacts tracked

509Verified emails

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The 25 largest architecture companies based in Pasadena, United States

Ranked by team size

Top 25 of 78 architecture companies based in Pasadena, United States, ranked by team size, largest first. Data refreshed Sep 6, 2026. RevenueBase Smart Search rates how each company's information relates to architecture companies: 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	C.W. Driver Companies	Indirect evidence	Pasadena, CA, United StatesHQ checked Sep 6, 2026	201-500	496 contacts →
	“C.W.” Source: company website · checked Sep 6, 2026
2	HSA & Associates, INC	Indirect evidence	Pasadena, CA, United StatesHQ checked Sep 6, 2026	51-200	75 contacts →
	“HSA & Associates provides structural engineering services to a myriad of partners in tilt-up construction and beyond.” Source: company website · checked Sep 6, 2026
3	Eptdesign	Indirect evidence	Pasadena, CA, United StatesHQ checked Sep 6, 2026	11-50	58 contacts →
	“Our Ethos EPTDESIGN is a group of diverse personalities working together to make places that enrich communities and lives.” Source: company website · checked Sep 6, 2026
4	Ramos Consulting Services, Inc. Ramos CS	Indirect evidence	Pasadena, CA, United StatesHQ checked Sep 6, 2026	51-200	48 contacts →
	“Founded in Los Angeles, CA, Ramos Consulting Services, Inc.(Ramos CS) is an engineering and program/construction management company focused on delivering quality infrastructure…” Source: company website · checked Sep 6, 2026
5	Practice	Indirect evidence	Pasadena, CA, United StatesHQ checked Sep 6, 2026	11-50	46 contacts →
	“We Practice to co-create environments that effect social change through design-forward thinking.” Source: company website · checked Sep 6, 2026
6	SWA Architects Pasadena, CA	Strong evidence	Pasadena, CA, United StatesHQ checked Sep 6, 2026	11-50	36 contacts →
	“SWA Architects (SWA), a certified Minority Business Enterprise (MBE) and Small Business Enterprise (SBE), was established in 1985 to provide architectural design, planning, and…” Source: company website · checked Sep 6, 2026
7	Fiedler Group	Strong evidence	Pasadena, CA, United StatesHQ checked Sep 6, 2026	11-50	23 contacts →
	“Founded in 1957, Fiedler Group is widely considered the authority in innovative architectural, design, and engineering services.” Source: company website · checked Sep 6, 2026
8	LCDG	Strong evidence	Pasadena, CA, United StatesHQ checked Sep 6, 2026	11-50	23 contacts →
	“LCDG (La Cañada Design Group) is a medium-sized architectural practice based in Southern California.” Source: company website · checked Sep 6, 2026
9	Flewelling & Moody	Indirect evidence	Pasadena, CA, United StatesHQ checked Sep 6, 2026	11-50	23 contacts →
	“Flewelling & Moody has been a leader in design and planning since 1928.” Source: company website · checked Sep 6, 2026
10	Onyx Architects	Strong evidence	Pasadena, CA, United StatesHQ checked Sep 6, 2026	11-50	23 contacts →
	“Our mission is to collaborate in improving the quality of life through architecture and environmental design.” Source: company website · checked Sep 6, 2026
11	DL English Design Studio	Strong evidence	Pasadena, CA, United StatesHQ checked Sep 6, 2026	11-50	17 contacts →
	“D L English Design Studio is an Award Winning architectural design and branding firm, focusing on large and small format retail, hospitality and lifestyle spaces.” Source: company website · checked Sep 6, 2026
12	J. Morales Civil Engineering	Indirect evidence	Pasadena, TX, United StatesHQ checked Sep 6, 2026	11-50	14 contacts →
	“We are a one-stop civil engineering firm serving the Houston area.” Source: company website · checked Sep 6, 2026
13	Architecture For Education	Strong evidence	Pasadena, CA, United StatesHQ checked Sep 6, 2026	11-50	13 contacts →
	“Architecture for Education Incorporated, practices the foundational principles of Vision, Creativity, Integrity, Delivery and Service.” Source: company website · checked Sep 6, 2026
14	Hanna LI Interiors	Indirect evidence	Pasadena, CA, United StatesHQ checked Sep 6, 2026	1-10	12 contacts →
	“Based in Los Angeles, Hanna Li Interiors is a multidisciplinary interior design studio that specializes in high end residential work.” Source: company website · checked Sep 6, 2026
15	Pbws Architects	Indirect evidence	Pasadena, CA, United StatesHQ checked Sep 6, 2026	11-50	11 contacts →
	“Founded in 1957, PBWS Architects is an award-winning design firm with a diverse portfolio of educational, childcare, residential, community/non-profit, and commercial projects.” Source: company website · checked Sep 6, 2026
16	Mckently Malak Architects	Strong evidence	Pasadena, CA, United StatesHQ checked Sep 6, 2026	11-50	11 contacts →
	“McKently Malak Architects is a full-service Architectural, Planning, and Design firm specializing in Retail, Hospitality, Mixed-Use, Housing and Urban Rehabilitation projects.” Source: company website · checked Sep 6, 2026
17	Moule & Polyzoides Architects And Urbanists	Indirect evidence	Pasadena, CA, United StatesHQ checked Sep 6, 2026	11-50	9 contacts →
	“Moule & Polyzoides, Architects and Urbanists, was founded in 1982 in Los Angeles, California.” Source: company website · checked Sep 6, 2026
18	J Bullock & Associates	Indirect evidence	Pasadena, CA, United StatesHQ checked Sep 6, 2026	11-50	9 contacts →
	“For over 30 years, J Bullock & Associates has proudly served today’s builders, developers, and architect professionals with renderings, animations, and interactive media designed…” Source: company website · checked Sep 6, 2026
19	Lcra Architects	Strong evidence	Pasadena, CA, United StatesHQ checked Sep 6, 2026	11-50	6 contacts →
	“We are a full spectrum architecture and planning firm, providing the highest quality of services for residential, commercial, and mixed-use projects across the United States, Asia…” Source: company website · checked Sep 6, 2026
20	Peck Architecture Structural Civil	Strong evidence	Pasadena, CA, United StatesHQ checked Sep 6, 2026	11-50	6 contacts →
	“At PECK we provide architecture & engineering design solutions for residential and commercial clients in Southern California / Los Angeles, We believe in producing solutions that…” Source: company website · checked Sep 6, 2026
21	Mannigan Design, INC	Indirect evidence	Pasadena, CA, United StatesHQ checked Sep 6, 2026	1-10	5 contacts →
	“Interior Design firm whose specialties include homebuilder and developer services, commercial interior design, 55+ communities and universal interior design services.” Source: company website · checked Sep 6, 2026
22	Tyler Kelly Architecture	Indirect evidence	Pasadena, CA, United StatesHQ checked Sep 6, 2026	1-10	5 contacts →
	“We’ve built our practice on a commitment to thoroughly understand your unique functional and design requirements, enabling us to produce elegant, comfortable, and cost-effective…” Source: company website · checked Sep 6, 2026
23	AIA Pasadena & Foothill	Strong evidence	Pasadena, CA, United StatesHQ checked Sep 6, 2026	11-50	5 contacts →
	“The Pasadena & Foothill Chapter of the American Institute of Architects is a substantial professional organization that serves the local architect, promotes architecture and the…” Source: company website · checked Sep 6, 2026
24	JCE Structural Engineering Group	Indirect evidence	Pasadena, CA, United StatesHQ checked Sep 6, 2026	11-50	4 contacts →
	“JCE Structural Engineering Group, Inc.” Source: company website · checked Sep 6, 2026
25	Lupine Properties, LLC	Indirect evidence	Pasadena, CA, United StatesHQ checked Sep 6, 2026	11-50	4 contacts →
	“Lupine Properties offers a variety of services to meet your project’s needs, to take you from collaboration meetings all the way to ribbon-cutting and beyond.” Source: company website · checked Sep 6, 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: architecture companies. 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 architecture companies.
Partial evidence: Its own public description names part of architecture companies, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name architecture companies. 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 78 architecture companies based in Pasadena, United States

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Architecture companies based in Pasadena, United States at a glance

As of Sep 6, 2026

42.9%Verified-email coverage

15.2Average contacts per company

1-10Median size (employees)

2752.6%Largest-city concentration · New York

Sep 6, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

Email recency for this list is measured across the whole United States list rather than this city, so it is reported there. Company counts and contact totals on this page are exact for Pasadena, over 78 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 architecture companies, 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 Pasadena, United States whose own description of what they do matches “architecture companies”. 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 architecture companies), 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 architecture companies, and records with no verified work email. Companies headquartered outside Pasadena 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, 509 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 6, 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.

Architecture companies by metro in the United States

Frequently asked

How many architecture companies are based in Pasadena, United States?

RevenueBase counts 78 architecture companies listed based in Pasadena, United States. The directory also includes 1,187 contacts and 509 email addresses.

Which city has the most architecture companies in the list?

New York is the single most-represented city among the architecture companies on the list.

Where can I find contacts at architecture companies?

This directory includes 1,187 contacts and 509 email addresses for architecture companies based in Pasadena, United States.

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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.