Company lists · Data refreshed September 2026

Top 25 Environmental design firms based in Oakland, United States

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

Compiled by the RevenueBase Data Team Data refreshed Sep 19, 2026 56 companies tracked

RevenueBase identified 56 company matches for environmental design firms associated with Oakland, United States as of September 2026 and tracks 555 professional contacts across them, including 336 with verified work emails. Across the United States, New York is the largest hub for this category (553 companies); Oakland has 56.

This list covers company matches for environmental design firms associated with Oakland, 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

56Companies

555Contacts tracked

336Verified emails

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

Ranked by team size

Top 25 of 56 company matches for environmental design firms based in Oakland, 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	Terraphase Engineering INC	Exact match	Oakland, CA, United StatesHQ recorded Sep 19, 2026	201-500	166 contacts →
	Exact match “Terraphase offers cost-effective solutions to complex environmental and engineering challenges.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
2	Hkit Architects	Exact match	Oakland, CA, United StatesHQ recorded Sep 19, 2026	11-50	63 contacts →
	Exact match “HKIT Architects is a Bay Area design firm in continuous practice for over 75 years, offering expertise in the design of projects that enrich our communities and the environment.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
3	ACC Environmental Consultants	Exact match	Oakland, CA, United StatesHQ recorded Sep 19, 2026	51-200	41 contacts →
	Exact match “Established in 1986, ACC Environmental Consultants, Inc.(ACC) is an employee-owned full service environmental consulting and design firm recognized for its excellent and reliable…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
4	Studio T-Sq	Exact match	Oakland, CA, United StatesHQ recorded Sep 19, 2026	11-50	34 contacts →
	Exact match “We are Studio T-Square - a team of architects, designers, and planners passionate about community building.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
5	Urban Planning Partners, INC	Exact match	Oakland, CA, United StatesHQ recorded Sep 19, 2026	11-50	29 contacts →
	Exact match “Urban Planning Partners is a policy and environmental planning firm that was established in 2009.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
6	Dyett & Bhatia	Exact match	Oakland, CA, United StatesHQ recorded Sep 19, 2026	11-50	17 contacts →
	Exact match “Dyett & Bhatia is a leader in urban planning, renowned for its pioneering, creative, and award-winning projects.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
7	Pgadesign Landscape Architects	Exact match	Oakland, CA, United StatesHQ recorded Sep 19, 2026	11-50	15 contacts →
	Exact match “PGAdesign is an award-winning landscape architectural studio that creates enduring and vibrant environments within the public realm.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
8	CEL Consulting	Exact match	Oakland, CA, United StatesHQ recorded Sep 19, 2026	11-50	14 contacts →
	Exact match “CEL Consulting is now Atlas.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
9	Einwillerkuehl Landscape Architecture	Exact match	Oakland, CA, United StatesHQ recorded Sep 19, 2026	1-10	13 contacts →
	Exact match “We are a landscape architecture firm founded in 2012 by Liz Einwiller and Sarah Kuehl, located in Oakland, CA.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
10	The Architects Office	Exact match	Oakland, CA, United StatesHQ recorded Sep 19, 2026	1-10	13 contacts →
	Exact match “The Architect’s Office provides consulting, planning, design, and architectural solutions which align client scope, schedule and budget.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
11	FKA Architects	Exact match	Oakland, NJ, United StatesHQ recorded Sep 19, 2026	11-50	12 contacts →
	Exact match “Striving to encourage the best possible collaboration with our valued clients, FKA provides Architectural, Interior Design, Planning, and Facility Management Services.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
12	Baran Studio Architecture	Exact match	Oakland, CA, United StatesHQ recorded Sep 19, 2026	11-50	11 contacts →
	Exact match “We develop adaptive architectural solutions that bridge all aspects of a design problem.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
13	Terracare Landscaping	Exact match	Oakland, NJ, United StatesHQ recorded Sep 19, 2026	11-50	8 contacts →
	Exact match “Landscaping is art, expertise and passion.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
14	West Office	Exact match	Oakland, CA, United StatesHQ recorded Sep 19, 2026	1-10	8 contacts →
	Exact match “West Office is an established multi-disciplinary design firm whose primary focus is the design and development of interactive educational facilities and visitor centers.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
15	LMB Interiors	Exact match	Oakland, CA, United StatesHQ recorded Sep 19, 2026	1-10	7 contacts →
	Exact match “Creating a beautiful home is an invitation to living an authentic life.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
16	Mariposa Gardening & Design Cooperative, INC	Exact match	Oakland, CA, United StatesHQ recorded Sep 19, 2026	11-50	7 contacts →
	Exact match “We are a Bay Area landscape design and build company, dedicated to creating ecologically sound gardens that are beautiful and well-crafted.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
17	Studio Becky Carter	Exact match	Oakland, CA, United StatesHQ recorded Sep 19, 2026	1-10	6 contacts →
	Exact match “Studio Becky Carter is an interior design firm dedicated to creating bespoke environments through curious, progressive, and compassionate creative services.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
18	Lumenworks Lighting Design INC	Exact match	Oakland, CA, United StatesHQ recorded Sep 19, 2026	1-10	6 contacts →
	Exact match “Since 1980 Lumenworks design team has been providing sustainable award-winning lighting designs that operate flawlessly and provide for the multi-functional needs of offices…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
19	Verner Architects	Exact match	Oakland, CA, United StatesHQ recorded Sep 19, 2026	1-10	5 contacts →
	Exact match “Verner Architects is a boutique architecture firm that specializes in custom residential and small-scale commercial projects.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
20	Larson Shores Architects INC	Exact match	Oakland, CA, United StatesHQ recorded Sep 19, 2026	1-10	5 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
21	Ecobuild Architects	Exact match	Oakland, CA, United StatesHQ recorded Sep 19, 2026	1-10	5 contacts →
	Exact match “Oakland architecture firm offering residential/ multi-family and commercial/ retail interior design services with a special focus on sustainable high-performance building…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
22	Calichi Design Group	Exact match	Oakland, CA, United StatesHQ recorded Sep 19, 2026	1-10	4 contacts →
	Exact match “CaliChi Design Group is a registered Emerging Small Business Enterprise (ESBE) multi-disciplinary civil engineering design firm formed by professionals that saw a need for high…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
23	Zentner Planning And Ecology	Exact match	Oakland, CA, United StatesHQ recorded Sep 19, 2026	1-10	4 contacts →
	Exact match “Zentner Planning and Ecology is a professional consulting firm specializing in wetlands, endangered species and other biological resources.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
24	Cupples Keller Designs	Exact match	Oakland, CA, United StatesHQ recorded Sep 19, 2026	1-10	3 contacts →
	Exact match “Cupples \| Keller Designs provides value-added landscape architectural services, not only designing unique and appropriate outdoor spaces but nurturing successful, ongoing…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
25	Pacific Design Architecture	Exact match	Oakland, CA, United StatesHQ recorded Sep 19, 2026	1-10	3 contacts →
	Exact match “Pacific Design Architecture is a full service architectural and interior design firm providing professional services to a wide range of clients, including commercial, health care…” 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 56 environmental design firms based in Oakland, United States

See the full list, filter by size, metro and specialty, and access 336 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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

As of Sep 19, 2026

60.5%Verified-email coverage

9.9Average contacts per company

1-10Median size (employees)

Sep 19, 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 for Oakland, so it is reported there. Company counts and contact totals on this page are exact for Oakland, over 56 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 Oakland, 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 336 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 Oakland, United States?

RevenueBase identified 56 company matches for environmental design firms associated with Oakland, 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?

Terraphase Engineering INC 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). Oakland has 56.

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 336 professional contacts with verified work emails tracked across these 56 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.