Company lists · Data refreshed September 2026

Top 23 Infrastructure companies based in Los Angeles, United States

RevenueBase identified 39 infrastructure companies headquartered in Los Angeles, United States as of September 2026 and tracks 1,242 professional contacts across them, including 485 with verified work emails. Houston is the largest hub.

This list covers infrastructure companies headquartered in Los Angeles, United States, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 15, 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 15, 2026 86% judged on-target in blind review
39Companies
1,242Contacts tracked
485Verified emails
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The 23 largest infrastructure companies based in Los Angeles, United States

Ranked by team size
Top 23 of 39 infrastructure companies based in Los Angeles, United States, ranked by team size, largest first. Data refreshed Sep 15, 2026. RevenueBase Smart Search rates how each company's information relates to infrastructure 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.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Indirect evidenceLos Angeles, CA, United StatesHQ checked Sep 15, 2026501-1,000516 contacts →

Indirect evidence

“CORDOBA CORPORATION is a California engineering, construction management, program management, and planning firm specializing in transportation, water, energy, education and…”

Source: RevenueBase Database · checked Sep 15, 2026
2Strong evidenceLos Angeles, CA, United StatesHQ checked Sep 15, 2026501-1,000134 contacts →

Strong evidence

“Security Paving Company is a heavy civil contractor specializing in highway, infrastructure, and site development projects throughout California.”

Source: RevenueBase Database · checked Sep 15, 2026
3Indirect evidenceLos Angeles, CA, United StatesHQ checked Sep 15, 202651-20051 contacts →

Indirect evidence

“SEA PAC ENGINEERING, INC is a company based out of Los Angeles, California, United States.”

Source: RevenueBase Database · checked Sep 15, 2026
4Indirect evidenceLos Angeles, CA, United StatesHQ checked Sep 15, 202611-5026 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 15, 2026
5Indirect evidenceLos Angeles, CA, United StatesHQ checked Sep 15, 20261,001-5,00021 contacts →

Indirect evidence

“Wilcon is now part of Crown Castle.”

Source: RevenueBase Database · checked Sep 15, 2026
6Indirect evidenceLos Angeles, CA, United StatesHQ checked Sep 15, 20261-1016 contacts →

Indirect evidence

“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.”

Source: RevenueBase Database · checked Sep 15, 2026
7Indirect evidenceLos Angeles, CA, United StatesHQ checked Sep 15, 202611-5015 contacts →

Indirect evidence

“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…”

Source: RevenueBase Database · checked Sep 15, 2026
8Indirect evidenceLos Angeles, CA, United StatesHQ checked Sep 15, 202611-5014 contacts →

Indirect evidence

“C2PM stands at the forefront of the construction consulting landscape, offering a full spectrum of program management, construction management, and specialized engineering…”

Source: RevenueBase Database · checked Sep 15, 2026
9Indirect evidenceLos Angeles, CA, United StatesHQ checked Sep 15, 202611-5010 contacts →

Indirect evidence

“DRC, a public works engineering firm, in business for 40 years, provides expert level Transportation; Water/Wastewater engineering and Construction Management services to repeat…”

Source: RevenueBase Database · checked Sep 15, 2026
10Strong evidenceLos Angeles, CA, United StatesHQ checked Sep 15, 202651-2009 contacts →

Strong evidence

“As a trusted General Contractor specializing in Infrastructural Public Works, we partner with government agencies to deliver projects that connect communities, enhance safety, and…”

Source: RevenueBase Database · checked Sep 15, 2026
11Strong evidenceLos Angeles, CA, United StatesHQ checked Sep 15, 20261-105 contacts →

Strong evidence

“Steiner Consulting, Inc.(SCI) is a heavy civil-engineering consulting firm specializing in driving Southern California infrastructure.”

Source: RevenueBase Database · checked Sep 15, 2026
12Indirect evidenceLos Angeles, CA, United StatesHQ checked Sep 15, 202611-504 contacts →

Indirect evidence

“Suenram & Associates, Inc.(SAI) is a Los Angeles-based certified small business enterprise providing civil engineering design and consulting services for public agencies and…”

Source: RevenueBase Database · checked Sep 15, 2026
13Indirect evidenceLos Angeles, CA, United StatesHQ checked Sep 15, 202611-503 contacts →

Indirect evidence

“Greenhall Capital Partners, LLC (Greenhall) is a private equity firm investing in essential onsite services businesses across the United States.”

Source: RevenueBase Database · checked Sep 15, 2026
14Strong evidenceLos Angeles, CA, United StatesHQ checked Sep 15, 20261-103 contacts →

Strong evidence

“Rheia Consulting offers our clients - public agencies and private builders and operators - advisory services to support the successful delivery of complex infrastructure projects…”

Source: RevenueBase Database · checked Sep 15, 2026
15Strong evidenceLos Angeles, United StatesHQ checked Sep 15, 202611-503 contacts →

Strong evidence

“Electus Energy is an infrastructure developer specializing in hydrogen fuel production and distribution for commercial and municipal partners.”

Source: RevenueBase Database · checked Sep 15, 2026
16Indirect evidenceLos Angeles, CA, United StatesHQ checked Sep 15, 202611-503 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 15, 2026
17Indirect evidenceLos Angeles, CA, United StatesHQ checked Sep 15, 202611-503 contacts →

Indirect evidence

“PacificWest is a one-stop-shop for energy services.”

Source: RevenueBase Database · checked Sep 15, 2026
18Indirect evidenceLos Angeles, CA, United StatesHQ checked Sep 15, 202611-502 contacts →

Indirect evidence

“At Flo Engineering, We work collaboratively with government agencies, private clients and the communities we serve, delivering honest, strategic, and timely solutions.”

Source: RevenueBase Database · checked Sep 15, 2026
19Strong evidenceLos Angeles, CA, United StatesHQ checked Sep 15, 20261-102 contacts →

Strong evidence

“HMFairview is a capital projects infrastructure management and advisory firm that specializes in leading the projects from inception through to delivery.”

Source: RevenueBase Database · checked Sep 15, 2026
20Indirect evidenceLos Angeles, CA, United StatesHQ checked Sep 15, 202611-502 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 15, 2026
21Indirect evidenceLos Angeles, CA, United StatesHQ checked Sep 15, 20261-102 contacts →

Indirect evidence

“OPTITRANS is a DBE/MBE/SBE firm established in 2014 to provide professional transportation engineering planning and design services to public agencies for public works projects.”

Source: RevenueBase Database · checked Sep 15, 2026
22Indirect evidenceLos Angeles, CA, United StatesHQ checked Sep 15, 20261-102 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 15, 2026
23Indirect evidenceLos Angeles, CA, United StatesHQ checked Sep 15, 20261-101 contacts →

Indirect evidence

“Bridging the gap between Utilities and Carriers, Skyline is a wireless tower company specializing in US Utility real estate.”

Source: RevenueBase Database · checked Sep 15, 2026

Showing 23 of 39 infrastructure companies based in Los Angeles, United States

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Infrastructure companies based in Los Angeles, United States at a glance

As of Sep 15, 2026
39.0%Verified-email coverage
31.8Average contacts per company
11-50Median size (employees)
538.5%Largest-city concentration · Houston
Sep 15, 2026Page data refreshed

Companies by employee count

1-10
16
11-50
14
51-200
3
201-500
2
501-1,000
2
1,001-5,000
1
10001+
1

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 39 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 infrastructure 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 Los Angeles, United States whose own description of what they do matches “infrastructure 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 infrastructure 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 infrastructure companies, and records with no verified work email. Companies headquartered outside Los Angeles 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, 485 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 15, 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.

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its 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 the category the list is about. Each row is rated strong evidence when the company's own description names infrastructure companies, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many infrastructure companies are there based in Los Angeles, United States?

RevenueBase identified 39 infrastructure companies headquartered in Los Angeles, United States as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Cordoba Corporation, headquartered in Los Angeles, tops this list with the largest team on record.

Which city has the most infrastructure companies?

Houston leads with 210 headquartered companies, followed by New York (117) and Miami (78).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 485 verified decision-maker contacts tracked across these 39 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 15, 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 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.