Company lists · Data refreshed September 2026

Top 25 Civil engineering consultancy firms based in Los Angeles, United States

Name: Civil engineering consultancy firms based in Los Angeles, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 23, 2026 138 companies tracked

RevenueBase identified 138 company matches for civil engineering consultancy firms associated with Los Angeles, United States as of September 2026 and tracks 3,157 professional contacts across them, including 1,321 with verified work emails. Across the United States, New York is the largest hub for this category (311 companies); Los Angeles has 138.

This list covers company matches for civil engineering consultancy firms associated with Los Angeles, 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 23, 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 23, 2026 How this list was built

138Companies

3,157Contacts tracked

1,321Verified emails

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The 25 largest civil engineering consultancy firms based in Los Angeles, United States

Ranked by team size

Top 25 of 138 company matches for civil engineering consultancy firms based in Los Angeles, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 23, 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	Psomas	Exact match	Los Angeles, CA, United StatesHQ recorded Sep 23, 2026	501-1,000	748 contacts →
	Exact match “Our award-winning projects are produced through innovation, creativity, and technical expertise.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
2	Cordoba Corporation	Exact match	Los Angeles, CA, United StatesHQ recorded Sep 23, 2026	501-1,000	516 contacts →
	Exact match “CORDOBA CORPORATION is a California engineering, construction management, program management, and planning firm specializing in transportation, water, energy, education and…” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
3	PCM	Exact match	Los Angeles, CA, United StatesHQ recorded Sep 23, 2026	n/a	211 contacts →
	Exact match “Commercial Construction, CM/PM Services, General Contractor,” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
4	Security Paving Company, INC	Exact match	Los Angeles, CA, United StatesHQ recorded Sep 23, 2026	501-1,000	134 contacts →
	Exact match “Security Paving Company is a heavy civil contractor specializing in highway, infrastructure, and site development projects throughout California.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
5	John A. Martin & Associates, INC	Exact match	Los Angeles, CA, United StatesHQ recorded Sep 23, 2026	51-200	132 contacts →
	Exact match “Established in 1953, John A.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
6	Saiful Bouquet Structural Engineers	Exact match	Los Angeles, CA, United StatesHQ recorded Sep 23, 2026	51-200	88 contacts →
	Exact match “Saiful Bouquet is an award winning and innovative structural engineering firm that looks beyond the traditional boundaries of structural engineering, in order to provide…” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
7	Brandow & Johnston	Exact match	Los Angeles, CA, United StatesHQ recorded Sep 23, 2026	11-50	53 contacts →
	Exact match “Our firm is proud to be identified among those who built the Los Angeles we see today.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
8	SEA PAC Engineering, INC	Exact match	Los Angeles, CA, United StatesHQ recorded Sep 23, 2026	51-200	51 contacts →
	Exact match “SEA PAC ENGINEERING, INC is a company based out of Los Angeles, California, United States.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
9	Alpha Structural, INC	Exact match	Los Angeles, CA, United StatesHQ recorded Sep 23, 2026	51-200	50 contacts →
	Exact match “For over 30 years, Alpha Structural, Inc.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
10	Nabih Youssef & Associates	Exact match	Los Angeles, CA, United StatesHQ recorded Sep 23, 2026	51-200	49 contacts →
	Exact match “At Nabih Youssef Associates Structural Engineers (NYA), we apply the world’s most advanced structural engineering approaches to deliver resilient, efficient, and future-ready…” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
11	JGM	Exact match	Los Angeles, CA, United StatesHQ recorded Sep 23, 2026	51-200	47 contacts →
	Exact match “JGM has offered a comprehensive array of design and construction related services to public and private sector clients for over 40 years.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
12	Englekirk Structural Engineers Englekirk Institutional	Exact match	Los Angeles, CA, United StatesHQ recorded Sep 23, 2026	51-200	43 contacts →
	Exact match “Englekirk fields two structural engineering firms specifically tailored to meet the challenges of the commercial and institutional market sectors.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
13	Torres Construction Corporation	Exact match	Los Angeles, CA, United StatesHQ recorded Sep 23, 2026	51-200	32 contacts →
	Exact match “Torres Construction is an award winning Contractor with a wide range of experience in both commercial and industrial construction.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
14	V&a, INC	Exact match	Los Angeles, CA, United StatesHQ recorded Sep 23, 2026	11-50	26 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
15	Nous Engineering	Exact match	Los Angeles, CA, United StatesHQ recorded Sep 23, 2026	11-50	21 contacts →
	Exact match “Nous Engineering is an innovative Structural Engineering firm based in Los Angeles.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
16	The Tsui Group	Exact match	Los Angeles, United StatesHQ recorded Sep 23, 2026	11-50	16 contacts →
	Exact match “PMCM firm focused on Program Management & Construction Management professional services.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
17	The Alliance Group Consulting	Exact match	Los Angeles, CA, United StatesHQ recorded Sep 23, 2026	1-10	16 contacts →
	Exact match “The Alliance Group Consulting (TAGC) is a California based transportation engineering firm which is located in Los Angeles and is certified as a SBE/VSBE/DBE/MBE/DGS firm.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
18	BA INC	Exact match	Los Angeles, CA, United StatesHQ recorded Sep 23, 2026	11-50	15 contacts →
	Exact match “BA Inc.(DBE/MBE/SBE) has been in business for 11 years; established and incorporated in 2004 to provide professional engineering design services to public agencies for public…” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
19	Analysis & Solutions Consultants	Exact match	Los Angeles, CA, United StatesHQ recorded Sep 23, 2026	11-50	14 contacts →
	Exact match “Analysis & Solutions Consultants (ASC) plays a key role in the design and construction of many challenging projects.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
20	C2pm	Exact match	Los Angeles, CA, United StatesHQ recorded Sep 23, 2026	11-50	14 contacts →
	Exact match “C2PM stands at the forefront of the construction consulting landscape, offering a full spectrum of program management, construction management, and specialized engineering…” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
21	Feffer Geological Consulting	Exact match	Los Angeles, CA, United StatesHQ recorded Sep 23, 2026	1-10	13 contacts →
	Exact match “Feffer Geological Consulting, Inc.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
22	Innodez	Exact match	Los Angeles, CA, United StatesHQ recorded Sep 23, 2026	11-50	13 contacts →
	Exact match “We are a design and engineering company with a passionate group of engineers that offers professional engineering design services for a range of clients in commercial and…” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
23	Creative Engineering Group	Exact match	Los Angeles, CA, United StatesHQ recorded Sep 23, 2026	11-50	13 contacts →
	Exact match “Full MEP Consulting Engineering for Today's Construction Needs.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
24	Melqart Inc. Structural Engineering	Exact match	Los Angeles, CA, United StatesHQ recorded Sep 23, 2026	11-50	11 contacts →
	Exact match “Melqart, Inc.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
25	D R Consultants & Designers, INC	Exact match	Los Angeles, CA, United StatesHQ recorded Sep 23, 2026	11-50	10 contacts →
	Exact match “DRC, a public works engineering firm, in business for 40 years, provides expert level Transportation; Water/Wastewater engineering and Construction Management services to repeat…” Recorded in the RevenueBase company graph · Sep 23, 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 “civil 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 138 civil engineering consultancy firms based in Los Angeles, United States

See the full list, filter by size, metro and specialty, and access 1,321 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Civil engineering consultancy firms based in Los Angeles, United States at a glance

As of Sep 23, 2026

41.8%Verified-email coverage

22.9Average contacts per company

1-10Median size (employees)

Sep 23, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

Email recency for this list is measured across the whole United States list rather than for Los Angeles, so it is reported there. Company counts and contact totals on this page are exact for Los Angeles, over 138 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 Los Angeles, United States whose business descriptions match “civil 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 1,321 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 23, 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.

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

How many civil engineering consultancy firms are there based in Los Angeles, United States?

RevenueBase identified 138 company matches for civil engineering consultancy firms associated with Los Angeles, 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?

Psomas 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 civil engineering consultancy firms?

New York leads the United States with 311 company records, followed by Houston (292) and Austin (151). Los Angeles has 138.

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 1,321 professional contacts with verified work emails tracked across these 138 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 23, 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.