Company lists · Data refreshed September 2026

Top 25 Engineering consultancy firms based in Oakland, United States

Name: Engineering consultancy 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 27, 2026 47 companies tracked

RevenueBase identified 47 company matches for engineering consultancy firms associated with Oakland, United States as of September 2026 and tracks 1,325 professional contacts across them, including 786 with verified work emails. Across the United States, Houston is the largest hub for this category (537 companies); Oakland has 47.

This list covers company matches for engineering consultancy 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 27, 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 27, 2026 How this list was built

47Companies

1,325Contacts tracked

786Verified emails

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The 25 largest engineering consultancy firms based in Oakland, United States

Ranked by team size

Top 25 of 47 company matches for engineering consultancy firms based in Oakland, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 27, 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	BKF Engineers	Exact match	Oakland, CA, United StatesHQ recorded Sep 27, 2026	501-1,000	588 contacts →
	Exact match “BKF is the premier A/E/C firm in the Western United States-built on over 110 years of excellence and a vision for the future.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
2	Terraphase Engineering INC	Exact match	Oakland, CA, United StatesHQ recorded Sep 27, 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 27, 2026 · View company records in RevenueBase
3	V&a Consulting Engineers	Exact match	Oakland, CA, United StatesHQ recorded Sep 27, 2026	51-200	68 contacts →
	Exact match “We may not be superheroes, but we are saving the world.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
4	Alta Vista Solutions	Exact match	Oakland, CA, United StatesHQ recorded Sep 27, 2026	51-200	49 contacts →
	Exact match “Alta Vista Solutions is now Atlas.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
5	Circlepoint	Exact match	Oakland, CA, United StatesHQ recorded Sep 27, 2026	11-50	47 contacts →
	Exact match “At Circlepoint, we are committed to helping our clients solve the challenges of today.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
6	VST Engineering INC	Exact match	Oakland, CA, United StatesHQ recorded Sep 27, 2026	11-50	45 contacts →
	Exact match “VST Engineering Inc.(VST) is a Bay Area-based civil engineering firm breaking the mold of traditional infrastructure consulting.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
7	ACC Environmental Consultants	Exact match	Oakland, CA, United StatesHQ recorded Sep 27, 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 27, 2026 · View company records in RevenueBase
8	The Allen Group, LLC	Exact match	Oakland, CA, United StatesHQ recorded Sep 27, 2026	11-50	32 contacts →
	Exact match “The Allen Group, LLC is one of the Bay Area's leading project and construction management firms, overseeing some of the region's most complex and challenging infrastructure…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
9	YEI Engineers, INC	Exact match	Oakland, CA, United StatesHQ recorded Sep 27, 2026	11-50	30 contacts →
	Exact match “YEI Engineers, Inc.(YEI) has provided electrical, mechanical, fire and plumbing systems engineering services to both public and private sectors since 1975.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
10	JMA Civil, INC	Exact match	Oakland, CA, United StatesHQ recorded Sep 27, 2026	11-50	27 contacts →
	Exact match “JMA Civil is a multidisciplinary civil engineering and rail design firm specializing in transportation facilities and heavy civil design.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
11	Acumen Building Enterprise, INC	Exact match	Oakland, CA, United StatesHQ recorded Sep 27, 2026	11-50	26 contacts →
	Exact match “Acumen Transit is a fast-growing professional consulting services provider renowned for our experienced consultants with “can-do” attitudes and innovative solutions.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
12	Slate Geotechnical Consultants	Exact match	Oakland, CA, United StatesHQ recorded Sep 27, 2026	11-50	20 contacts →
	Exact match “We are engineers, seismologists, and geologists working together to offer the latest techniques in geoengineering, geotechnical, and earth sciences consulting.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
13	Liftech Consultants INC	Exact match	Oakland, CA, United StatesHQ recorded Sep 27, 2026	11-50	17 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
14	KPW Structural Engineers, Inc., A Salas O'brien Company	Exact match	Oakland, CA, United StatesHQ recorded Sep 27, 2026	1,001-5,000	16 contacts →
	Exact match “KPW Structural Engineers, Inc, A Salas O'Brien Company, provides structural engineering services to architects, developers, building owners, general contractors, and government…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
15	IDA Structural Engineers, INC	Exact match	Oakland, CA, United StatesHQ recorded Sep 27, 2026	11-50	15 contacts →
	Exact match “IDA is a consulting structural engineering firm originally established in 1986.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
16	Estructure	Exact match	Oakland, CA, United StatesHQ recorded Sep 27, 2026	11-50	11 contacts →
	Exact match “Estructure is a structural engineering firm based in Oakland, California committed to technical excellence and exemplary service.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
17	Transit Systems Engineering	Exact match	Oakland, CA, United StatesHQ recorded Sep 27, 2026	51-200	11 contacts →
	Exact match “Transit Systems Engineering, Inc.(TSE) provides professional engineering services from concept to final construction documents for all transit systems including signaling…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
18	Century Engineering	Exact match	Oakland, MD, United StatesHQ recorded Sep 27, 2026	1-10	10 contacts →
	Exact match “Century Engineering, Inc.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
19	Diablo Engineering Group	Exact match	Oakland, CA, United StatesHQ recorded Sep 27, 2026	1-10	8 contacts →
	Exact match “Diablo Engineering Group is a Civil Engineering company that was founded as a California corporation in 2014 by Jennifer Harmon, PE and Garrett Gritz, PE.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
20	Path Forward Partners, INC	Exact match	Oakland, CA, United StatesHQ recorded Sep 27, 2026	1-10	8 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
21	Hattin Construction Management, INC	Exact match	Oakland, CA, United StatesHQ recorded Sep 27, 2026	1-10	7 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
22	Calichi Design Group	Exact match	Oakland, CA, United StatesHQ recorded Sep 27, 2026	11-50	6 contacts →
	Exact match “CaliChi works smarter, employing in-depth research, state-of-the-art technology, and forward-thinking strategies to design and entitle challenging development projects in the…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
23	Alter Engineers	Exact match	Oakland, CA, United StatesHQ recorded Sep 27, 2026	1-10	5 contacts →
	Exact match “Alter Consulting Engineers is well-versed to tackle projects of a wide variety of scales and scopes.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
24	Architectural Dimensions Of Oakland	Exact match	Oakland, CA, United StatesHQ recorded Sep 27, 2026	11-50	4 contacts →
	Exact match “We serve our clients beyond traditional Architectural services to bring them financial success.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
25	Valley Structural Consulting	Exact match	Oakland, CA, United StatesHQ recorded Sep 27, 2026	1-10	2 contacts →
	Exact match “Our services include- Residential and Commercial new designs and retrofits - Structural failure investigations and assessments for buildings, bridges, and dams - Government…” Recorded in the RevenueBase company graph · Sep 27, 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 “engineering consultancy 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 47 engineering consultancy firms based in Oakland, United States

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Engineering consultancy firms based in Oakland, United States at a glance

As of Sep 27, 2026

59.3%Verified-email coverage

28.2Average contacts per company

1-10Median size (employees)

Sep 27, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

1,001-5,000

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 47 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 “engineering consultancy 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 786 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 27, 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.

Engineering consultancy 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 “engineering consultancy firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many engineering consultancy firms are there based in Oakland, United States?

RevenueBase identified 47 company matches for engineering consultancy 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?

BKF Engineers 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 engineering consultancy firms?

Houston leads the United States with 537 company records, followed by New York (412) and Chicago (189). Oakland has 47.

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 786 professional contacts with verified work emails tracked across these 47 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 27, 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.