Company lists · Data refreshed October 2026

Top 16 Highway engineering consultants based in Irvine, United States

Name: Highway engineering consultants based in Irvine, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 14, 2026 31 companies tracked

RevenueBase identified 31 company matches for highway engineering consultants associated with Irvine, United States as of October 2026 and tracks 1,368 professional contacts across them, including 516 with verified work emails. Across the United States, Houston is the largest hub for this category (118 companies); Irvine has 31.

This list covers company matches for highway engineering consultants associated with Irvine, 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 14, 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 14, 2026 How this list was built

31Companies

1,368Contacts tracked

516Verified emails

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The 16 largest highway engineering consultants based in Irvine, United States

Ranked by team size

Top 16 of 31 company matches for highway engineering consultants based in Irvine, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 14, 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	LSA	Exact match	Irvine, CA, United StatesHQ recorded Oct 14, 2026	201-500	348 contacts →
	Exact match “LSA is a diversified environmental, transportation, and community planning firm that evolved from a small consulting firm.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
2	Interwest Consulting Group	Exact match	Irvine, CA, United StatesHQ recorded Oct 14, 2026	201-500	227 contacts →
	Exact match “Interwest specializes in providing professional and consulting services to public agencies across California, Nevada, Colorado, and beyond.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
3	IDS Group, INC	Exact match	Irvine, CA, United StatesHQ recorded Oct 14, 2026	51-200	209 contacts →
	Exact match “IDS is an award-winning engineering and architectural firm offering multidisciplinary consulting services through our staff of 90 professionals.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
4	RBF Consulting, A Company Of Michael Baker International	Exact match	Irvine, CA, United StatesHQ recorded Oct 14, 2026	1,001-5,000	187 contacts →
	Exact match “RBF Consulting, a Company of Michael Baker International, LLC, is one of the Nation's leading civil engineering, design, planning, surveying and construction management firms…” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
5	Ficcadenti Waggoner And Castle Structural Engineers FWC	Exact match	Irvine, CA, United StatesHQ recorded Oct 14, 2026	51-200	65 contacts →
	Exact match “FWC consists of over 70 professionals working to provide our clients with state-of-the-art structural engineering services.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
6	VA Consulting, Inc., NOW Stantec	Exact match	Irvine, CA, United StatesHQ recorded Oct 14, 2026	51-200	61 contacts →
	Exact match “VA Consulting has joined Stantec, an architecture and engineering firm with more than creative team members across North America and the world.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
7	Advantec Consulting Engineers, INC	Exact match	Irvine, CA, United StatesHQ recorded Oct 14, 2026	51-200	45 contacts →
	Exact match “At ADVANTEC Consulting Engineers, we are driven by a shared commitment to shaping smarter, safer, and more connected communities.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
8	Linscott, LAW & Greenspan, Engineers	Exact match	Irvine, CA, United StatesHQ recorded Oct 14, 2026	51-200	38 contacts →
	Exact match “Linscott, Law & Greenspan, Engineers (LLG) provides transportation planning, traffic engineering and parking consultation services.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
9	C&v Consulting, INC	Exact match	Irvine, CA, United StatesHQ recorded Oct 14, 2026	11-50	37 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
10	National Engineering & Consulting, INC	Exact match	Irvine, CA, United StatesHQ recorded Oct 14, 2026	51-200	20 contacts →
	Exact match “National Engineering and Consulting, Inc.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
11	SGE Consulting Engineers	Exact match	Irvine, CA, United StatesHQ recorded Oct 14, 2026	11-50	14 contacts →
	Exact match “Established in 1992, S.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
12	NCM Engineering Corp, NOW GFT	Exact match	Irvine, CA, United StatesHQ recorded Oct 14, 2026	11-50	13 contacts →
	Exact match “NCM Engineering, A TranSystems Company, serves the state, metropolitan planning organizations, rail authorities, transit districts, transportation joint power authorities…” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
13	TJW Engineering, INC	Exact match	Irvine, CA, United StatesHQ recorded Oct 14, 2026	11-50	12 contacts →
	Exact match “TJW Engineering, Inc.(TJW), a California Corporation, is an engineering consulting firm that specializes in traffic engineering and transportation planning design and analysis.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
14	Wilson Mikami Corporation	Exact match	Irvine, CA, United StatesHQ recorded Oct 14, 2026	11-50	9 contacts →
	Exact match “Wilson Mikami Corporation is a private Civil Engineering consulting firm established in 2004 and located in the City of Irvine, California.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
15	Adams Streeter Civil Engineers, INC	Exact match	Irvine, CA, United StatesHQ recorded Oct 14, 2026	11-50	6 contacts →
	Exact match “Adams-Streeter is Southern California’s most trusted civil engineering firm offering a wide-range of services based around bringing communities together and increasing overall…” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
16	Frontier Engineering Group	Exact match	Irvine, CA, United StatesHQ recorded Oct 14, 2026	1-10	3 contacts →
	Exact match “Frontier Engineering Group (FEG) is a leading transportation engineering firm providing engineering design and construction management services for highway bridges, rail, transit…” Recorded in the RevenueBase company graph · Oct 14, 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 “highway engineering consultants”. 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 16 of 31 highway engineering consultants based in Irvine, United States

See the full list, filter by size, metro and specialty, and access 516 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Highway engineering consultants based in Irvine, United States at a glance

As of Oct 14, 2026

37.7%Verified-email coverage

44.1Average contacts per company

11-50Median size (employees)

Oct 14, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

1,001-5,000

Email recency for this list is measured across the whole United States list rather than for Irvine, so it is reported there. Company counts and contact totals on this page are exact for Irvine, over 31 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 Irvine, United States whose business descriptions match “highway engineering consultants” 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 516 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 14, 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.

Highway engineering consultants 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 “highway engineering consultants”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many highway engineering consultants are there based in Irvine, United States?

RevenueBase identified 31 company matches for highway engineering consultants associated with Irvine, 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?

LSA 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 highway engineering consultants?

Houston leads the United States with 118 company records, followed by New York (79) and Austin (55). Irvine has 31.

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 516 professional contacts with verified work emails tracked across these 31 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 14, 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.