Company lists · Data refreshed October 2026

Top 21 Environmental consultants for energy based in San Diego, United States

Name: Environmental consultants for energy based in San Diego, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 12, 2026 45 companies tracked

RevenueBase identified 45 company matches for environmental consultants for energy associated with San Diego, United States as of October 2026 and tracks 443 professional contacts across them, including 225 with verified work emails. Across the United States, Houston is the largest hub for this category (209 companies); San Diego has 45.

This list covers company matches for environmental consultants for energy associated with San Diego, 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 12, 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 12, 2026 How this list was built

45Companies

443Contacts tracked

225Verified emails

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The 21 largest environmental consultants for energy based in San Diego, United States

Ranked by team size

Top 21 of 45 company matches for environmental consultants for energy based in San Diego, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 12, 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	4liberty, INC	Exact match	San Diego, CA, United StatesHQ recorded Oct 12, 2026	51-200	94 contacts →
	Exact match “4Liberty is a leading technical & professional services firm focused on energy & infrastructure.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
2	Occupational Services, INC	Exact match	San Diego, CA, United StatesHQ recorded Oct 12, 2026	11-50	74 contacts →
	Exact match “Occupational Services, Incorporated is a San Diego-based professional consulting firm providing services in the areas of environmental compliance, occupational health and safety…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
3	KMEA	Exact match	San Diego, CA, United StatesHQ recorded Oct 12, 2026	51-200	53 contacts →
	Exact match “Company Overview Founded in 1996, KMEA is headquartered in San Diego, California, and has an operations office in San Antonio, TX.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
4	Hargis Associates, INC	Exact match	San Diego, CA, United StatesHQ recorded Oct 12, 2026	11-50	37 contacts →
	Exact match “Hargis + Associates, Inc.(H+A) is an employee-owned, environmental consulting and engineering firm founded in 1979 with a commitment to providing high-quality, cost-effective…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
5	Terrapro Solutions	Exact match	San Diego, CA, United StatesHQ recorded Oct 12, 2026	11-50	14 contacts →
	Exact match “TerraPro Solutions is an established energy consulting company providing cutting edge and creative energy solutions for major utility-scale and infrastructure projects throughout…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
6	Bluescape Environmental	Exact match	San Diego, CA, United StatesHQ recorded Oct 12, 2026	11-50	12 contacts →
	Exact match “BlueScape is a progressive air quality and environmental services firm located in the Western US that specializes in permitting and compliance services.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
7	Torrey Pines Environmental	Exact match	San Diego, CA, United StatesHQ recorded Oct 12, 2026	1-10	12 contacts →
	Exact match “Torrey Pines Environmental is an environmental consulting firm established in 2021 as a collaboration between biologists with over 35 years of combined experience.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
8	Blackhawk Environmental	Exact match	San Diego, CA, United StatesHQ recorded Oct 12, 2026	11-50	11 contacts →
	Exact match “Blackhawk Environmental, a certified DVBE / SDVOSB / City of San Diego SLBE, provides a wide range of cost-effective environmental consulting services in biological & water…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
9	T3 Consulting, INC	Exact match	San Diego, CA, United StatesHQ recorded Oct 12, 2026	11-50	11 contacts →
	Exact match “T3 Consulting, Inc.(T3) is a professional services firm that provides exceptional technical solutions focused on value-led service, quality, and dependability.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
10	Enviroapplications, INC	Exact match	San Diego, CA, United StatesHQ recorded Oct 12, 2026	11-50	8 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
11	Greener N.O.I	Exact match	San Diego, CA, United StatesHQ recorded Oct 12, 2026	1-10	6 contacts →
	Exact match “We aim to get more sustainability & energy-saving upgrades implemented in buildings throughout North America by performing these services among others: • Analysis of Net Operating…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
12	Busby Biological Services INC	Exact match	San Diego, CA, United StatesHQ recorded Oct 12, 2026	1-10	5 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
13	Alpers Engineering Group, LLC	Exact match	San Diego, CA, United StatesHQ recorded Oct 12, 2026	1-10	4 contacts →
	Exact match “A San Diego California Commissioning Consultant committed to using our experience and know-how to lead the commissioning services industry, doing our part in creating a cleaner…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
14	Blue Planet Energy Solutions	Exact match	San Diego, CA, United StatesHQ recorded Oct 12, 2026	11-50	4 contacts →
	Exact match “Blue Planet Energy Solutions (BPES) was created in 2010 and is an energy service company or ESCO.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
15	Enviromine INC	Exact match	San Diego, CA, United StatesHQ recorded Oct 12, 2026	1-10	4 contacts →
	Exact match “EnviroMINE, Inc.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
16	Ivet Environmental INC	Exact match	San Diego, CA, United StatesHQ recorded Oct 12, 2026	1-10	4 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
17	Rely Environmental	Exact match	San Diego, CA, United StatesHQ recorded Oct 12, 2026	1-10	3 contacts →
	Exact match “Rely Environmental provides top-notch compliance consulting and management services to businesses, hospitals and public agencies throughout Southern California.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
18	Energy Liberty Corporation	Exact match	San Diego, CA, United StatesHQ recorded Oct 12, 2026	1-10	2 contacts →
	Exact match “Energy Liberty Corporation delivers energy intelligence for real estate investors.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
19	Powerpedia	Exact match	San Diego, CA, United StatesHQ recorded Oct 12, 2026	1-10	2 contacts →
	Exact match “Modernizing the electric system will help nations meet the challenge of handling projected energy needs, including addressing climate change, by integrating more energy from…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
20	Mcarthur Independent Consulting	Exact match	San Diego, CA, United StatesHQ recorded Oct 12, 2026	1-10	1 contacts →
	Exact match “McArthur Independent Consulting (MIC) is a management consulting practice established to help businesses and individuals navigate away from the status quo and into a cleaner…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
21	Cali Envirofirm, INC	Exact match	San Diego, CA, United StatesHQ recorded Oct 12, 2026	1-10	1 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 12, 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 “environmental consultants for energy”. 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 21 of 45 environmental consultants for energy based in San Diego, United States

See the full list, filter by size, metro and specialty, and access 225 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Environmental consultants for energy based in San Diego, United States at a glance

As of Oct 12, 2026

50.8%Verified-email coverage

9.8Average contacts per company

1-10Median size (employees)

Oct 12, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

Email recency for this list is measured across the whole United States list rather than for San Diego, so it is reported there. Company counts and contact totals on this page are exact for San Diego, over 45 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 San Diego, United States whose business descriptions match “environmental consultants for energy” 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 225 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 12, 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.

Environmental consultants for energy 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 “environmental consultants for energy”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many environmental consultants for energy are there based in San Diego, United States?

RevenueBase identified 45 company matches for environmental consultants for energy associated with San Diego, 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?

4liberty, 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 environmental consultants for energy?

Houston leads the United States with 209 company records, followed by New York (126) and Austin (75). San Diego has 45.

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 225 professional contacts with verified work emails tracked across these 45 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 12, 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.