Company lists · Data refreshed September 2026

Top 12 Site engineering companies based in Los Angeles, United States

RevenueBase identified 26 company matches for site engineering companies associated with Los Angeles, United States as of September 2026 and tracks 461 professional contacts across them, including 64 with verified work emails. Across the United States, Houston is the largest hub for this category (111 companies); Los Angeles has 26.

This list covers company matches for site engineering companies 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 18, 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 18, 2026 How this list was built
26Companies
461Contacts tracked
64Verified emails
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The 12 largest site engineering companies based in Los Angeles, United States

Ranked by team size
Top 12 of 26 company matches for site engineering companies based in Los Angeles, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 18, 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchLos Angeles, CA, United StatesHQ recorded Sep 18, 202611-5026 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase
2Exact matchLos Angeles, CA, United StatesHQ recorded Sep 18, 202611-5015 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 18, 2026 · View company records in RevenueBase
3Exact matchLos Angeles, CA, United StatesHQ recorded Sep 18, 202611-5014 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 18, 2026 · View company records in RevenueBase
4Exact matchLos Angeles, CA, United StatesHQ recorded Sep 18, 20261-109 contacts →

Exact match

“DK Engineer, Corp (DKE) is a boutique civil engineering consulting firm that provides design and construction administration services for construction projects throughout Southern…”

Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase
5Exact matchLos Angeles, CA, United StatesHQ recorded Sep 18, 202611-508 contacts →

Exact match

“Parthenon Corporation is a leading provider of consulting, engineering, and construction services worldwide.”

Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase
6Exact matchLos Angeles, CA, United StatesHQ recorded Sep 18, 202611-506 contacts →

Exact match

“Kobe Structural Engineering and Design INC.”

Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase
7Exact matchLos Angeles, CA, United StatesHQ recorded Sep 18, 202611-506 contacts →

Exact match

“Zila, is a Stormwater Management & Civil Engineering Co, which provides stormwater management and civil engineering related services including stormwater pollution prevention plan…”

Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase
8Exact matchLos Angeles, CA, United StatesHQ recorded Sep 18, 20261-105 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase
9Exact matchLos Angeles, CA, United StatesHQ recorded Sep 18, 202611-504 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase
10Exact matchLos Angeles, CA, United StatesHQ recorded Sep 18, 202611-502 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase
11Exact matchLos Angeles, CA, United StatesHQ recorded Sep 18, 20261-102 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase
12Exact matchLos Angeles, CA, United StatesHQ recorded Sep 18, 20261-101 contacts →

Exact match

“Traffic Associates is a Los Angeles-based civil and traffic engineering firm supporting developers, architects, contractors, property owners, and public agencies with practical…”

Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase

Showing 12 of 26 site engineering companies based in Los Angeles, United States

See the full list, filter by size, metro and specialty, and access 64 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Site engineering companies based in Los Angeles, United States at a glance

As of Sep 18, 2026
13.9%Verified-email coverage
17.7Average contacts per company
1-10Median size (employees)
Sep 18, 2026Page data refreshed

Companies by employee count

1-10
15
11-50
8
51-200
1
201-500
2

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 26 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 “site engineering companies” 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 64 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 18, 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.

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

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

RevenueBase identified 26 company matches for site engineering companies 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?

V&a, 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 site engineering companies?

Houston leads the United States with 111 company records, followed by New York (63) and Miami (47). Los Angeles has 26.

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 64 professional contacts with verified work emails tracked across these 26 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 18, 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.