Company lists · Data refreshed September 2026

Top 18 Energy engineering consulting firms based in Irvine, United States

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

Compiled by the RevenueBase Data Team Data refreshed Sep 24, 2026 32 companies tracked

RevenueBase identified 32 company matches for energy engineering consulting firms associated with Irvine, United States as of September 2026 and tracks 1,319 professional contacts across them, including 526 with verified work emails. Across the United States, Houston is the largest hub for this category (298 companies); Irvine has 32.

This list covers company matches for energy engineering consulting firms 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 September 24, 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 24, 2026 How this list was built

32Companies

1,319Contacts tracked

526Verified emails

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The 18 largest energy engineering consulting firms based in Irvine, United States

Ranked by team size

Top 18 of 32 company matches for energy engineering consulting firms based in Irvine, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 24, 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	Arb, INC	Exact match	Irvine, CA, United StatesHQ recorded Sep 24, 2026	1,001-5,000	528 contacts →
	Exact match “ARB Inc.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
2	TRIO	Exact match	Irvine, CA, United StatesHQ recorded Sep 24, 2026	201-500	383 contacts →
	Exact match “We are Trio – built from Edison Energy, Alfa Energy, and Altenex Energy.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
3	IDS Group, INC	Exact match	Irvine, CA, United StatesHQ recorded Sep 24, 2026	51-200	205 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 · Sep 24, 2026 · View company records in RevenueBase
4	C&v Consulting, INC	Exact match	Irvine, CA, United StatesHQ recorded Sep 24, 2026	11-50	37 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
5	National Engineering & Consulting, INC	Exact match	Irvine, CA, United StatesHQ recorded Sep 24, 2026	51-200	20 contacts →
	Exact match “National Engineering and Consulting, Inc.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
6	SGE Consulting Engineers	Exact match	Irvine, CA, United StatesHQ recorded Sep 24, 2026	11-50	18 contacts →
	Exact match “Established in 1992, S.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
7	Exyion, INC	Exact match	Irvine, CA, United StatesHQ recorded Sep 24, 2026	11-50	17 contacts →
	Exact match “Exyion prides itself in providing highly experienced Utility Industry Consultants with years of experience in many areas of the Utility Business.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
8	N2w Engineering, INC	Exact match	Irvine, CA, United StatesHQ recorded Sep 24, 2026	11-50	17 contacts →
	Exact match “We’re redefining what it means to partner with a consulting engineering firm.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
9	OMB Electrical Engineers, INC	Exact match	Irvine, CA, United StatesHQ recorded Sep 24, 2026	51-200	17 contacts →
	Exact match “LSW Engineers, located in Phoenix AZ has been providing Mechanical, Electrical, Plumbing, Technology and Commissioning Services for over 75 years.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
10	ACE MEP Group, INC	Exact match	Irvine, CA, United StatesHQ recorded Sep 24, 2026	11-50	13 contacts →
	Exact match “ACE MEP Group, Inc.(ACE) is a full-service MEP engineering & consulting firm providing mechanical, electrical, & plumbing engineering along with energy calculations & Title-24…” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
11	Murex Environmental	Exact match	Irvine, CA, United StatesHQ recorded Sep 24, 2026	11-50	10 contacts →
	Exact match “Murex Environmental, Inc.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
12	August Agents	Exact match	Irvine, CA, United StatesHQ recorded Sep 24, 2026	1-10	7 contacts →
	Exact match “August Agents was created to help you deliver projects more efficiently.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
13	Energy Smart Group	Exact match	Irvine, CA, United StatesHQ recorded Sep 24, 2026	11-50	4 contacts →
	Exact match “Energy Smart Group specializes in providing electrical energy conservation solutions to industrial and commercial facilities interested in significantly reducing their electricity…” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
14	Smaart Power	Exact match	Irvine, CA, United StatesHQ recorded Sep 24, 2026	1-10	4 contacts →
	Exact match “Smaart Power LLC is an elite electrical engineering consultancy specializing in the design, integration, and optimization of complex power systems for the commercial, industrial…” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
15	ES Works	Exact match	Irvine, CA, United StatesHQ recorded Sep 24, 2026	1-10	1 contacts →
	Exact match “ESWORKS provides consulting for electrification projects, environmental compliance, and project management.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
16	PDA Engineers	Exact match	Irvine, CA, United StatesHQ recorded Sep 24, 2026	1-10	1 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
17	Advanced Design Optimization	Exact match	Irvine, CA, United StatesHQ recorded Sep 24, 2026	1-10	1 contacts →
	Exact match “Advanced Design Optimization (ADO) LLC offers engineering services by CFD/ FEA-based design optimization, simulations, and modeling for medical devices, bioengineering, green…” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
18	K2m Engineering	Exact match	Irvine, CA, United StatesHQ recorded Sep 24, 2026	1-10	1 contacts →
	Exact match “Efficient and precise electrical engineering services for commercial industries.” Recorded in the RevenueBase company graph · Sep 24, 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 “energy engineering consulting 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 18 of 32 energy engineering consulting firms based in Irvine, United States

See the full list, filter by size, metro and specialty, and access 526 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Energy engineering consulting firms based in Irvine, United States at a glance

As of Sep 24, 2026

39.9%Verified-email coverage

41.2Average contacts per company

11-50Median size (employees)

Sep 24, 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 32 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 “energy engineering consulting 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 526 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 24, 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.

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

How many energy engineering consulting firms are there based in Irvine, United States?

RevenueBase identified 32 company matches for energy engineering consulting firms associated with Irvine, 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?

Arb, 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 energy engineering consulting firms?

Houston leads the United States with 298 company records, followed by New York (190) and Austin (99). Irvine has 32.

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 526 professional contacts with verified work emails tracked across these 32 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 24, 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.