Company lists · Data refreshed September 2026

Top 17 Sustainable IT consulting firms based in Los Angeles, United States

RevenueBase identified 45 sustainable IT consulting firms headquartered in Los Angeles, United States as of September 2026 and tracks 230 professional contacts across them, including 110 with verified work emails. New York is the largest hub.

This list covers sustainable IT consulting firms 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 6, 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 6, 2026 86% judged on-target in blind review
45Companies
230Contacts tracked
110Verified emails
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The 17 largest sustainable IT consulting firms based in Los Angeles, United States

Ranked by team size
Top 17 of 45 sustainable IT consulting firms based in Los Angeles, United States, ranked by team size, largest first. Data refreshed Sep 6, 2026. RevenueBase Smart Search rates how each company's information relates to sustainable IT consulting firms: 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 6, 202651-20057 contacts →

“Partner Energy, Inc.”

Source: company website · checked Sep 6, 2026
2Strong evidenceLos Angeles, CA, United StatesHQ checked Sep 6, 202611-5029 contacts →

“Established in 2012, Verdical Group has developed a nationally known brand and industry leading reputation as a sustainability consulting firm focused on decarbonizing the built…”

Source: company website · checked Sep 6, 2026
3Indirect evidenceLos Angeles, CA, United StatesHQ checked Sep 6, 202611-5018 contacts →

“Informing communities and creating a clear path to understanding are at the core of what we do at Impact Sciences.”

Source: company website · checked Sep 6, 2026
4Partial evidenceLos Angeles, CA, United StatesHQ checked Sep 6, 202611-5017 contacts →

“Leading Edge is a California based sustainability consultancy.”

Source: company website · checked Sep 6, 2026
5Strong evidenceLos Angeles, CA, United StatesHQ checked Sep 6, 20261-1010 contacts →

“EcoMotion provides sustainability advising and consulting cities, counties, utilities, corporations, and campuses to help them achieve their energy and environmental goals.”

Source: company website · checked Sep 6, 2026
6Partial evidenceLos Angeles, CA, United StatesHQ checked Sep 6, 202611-509 contacts →

“Over 21 Years of Expertise in Sustainability Solutions At All About Waste, we are an award-winning global leader in zero-waste and circular economy solutions.”

Source: company website · checked Sep 6, 2026
7Partial evidenceLos Angeles, CA, United StatesHQ checked Sep 6, 20261-107 contacts →

“Argento/Graham offers strategic and technical green building consulting services to all stakeholders involved in the development and operation of new and existing buildings.”

Source: company website · checked Sep 6, 2026
8Indirect evidenceLos Angeles, CA, United StatesHQ checked Sep 6, 20261-106 contacts →

“Thank you for visiting our page.”

Source: company website · checked Sep 6, 2026
9Partial evidenceLos Angeles, CA, United StatesHQ checked Sep 6, 202611-505 contacts →

“At Labeling Sustainability, we are dedicated to guiding manufacturers, their suppliers and their distributors through the intricate journey of environmental accountability.”

Source: company website · checked Sep 6, 2026
10Indirect evidenceLos Angeles, CA, United StatesHQ checked Sep 6, 20261-104 contacts →

“We work across sectors, partnering with clients ranging from startups and small businesses to Fortune companies.”

Source: company website · checked Sep 6, 2026
11Indirect evidenceLos Angeles, CA, United StatesHQ checked Sep 6, 202611-504 contacts →

“CDCDG has successfully designed more than 3 million square feet of Data Center space in the last 10 years.”

Source: company website · checked Sep 6, 2026
12Strong evidenceLos Angeles, CA, United StatesHQ checked Sep 6, 20261-103 contacts →

“At Insight Energy Consulting, our mission is to innovate and lead in energy efficiency and sustainability.”

Source: company website · checked Sep 6, 2026
13Partial evidenceLos Angeles, CA, United StatesHQ checked Sep 6, 202611-502 contacts →

“LivingWorks is a forward thinking firm focused on creative, practical, and cost-effective sustainable solutions for commercial and institutional buildings, both public and private.”

Source: company website · checked Sep 6, 2026
14Partial evidenceLos Angeles, CA, United StatesHQ checked Sep 6, 20261-102 contacts →

“Mimeos is the premier sustainability consultancy dedicated to designing & building solar energy systems with an "Efficiency-First" Approach.”

Source: company website · checked Sep 6, 2026
15Indirect evidenceLos Angeles, CA, United StatesHQ checked Sep 6, 202611-501 contacts →

“Oxstein Design Labs works with clients ranging from independent, highly-focused start-ups to well-established industry leaders to align strategy, culture and operations by…”

Source: company website · checked Sep 6, 2026
16Indirect evidenceLos Angeles, CA, United StatesHQ checked Sep 6, 20261-101 contacts →
Source: company website · checked Sep 6, 2026
17Indirect evidenceLos Angeles, CA, United StatesHQ checked Sep 6, 20261-101 contacts →

“We make buildings better.”

Source: company website · checked Sep 6, 2026

Showing 17 of 45 sustainable IT consulting firms based in Los Angeles, United States

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Sustainable IT consulting firms based in Los Angeles, United States at a glance

As of Sep 6, 2026
47.8%Verified-email coverage
5.1Average contacts per company
1-10Median size (employees)
231.1%Largest-city concentration · New York
Sep 6, 2026Page data refreshed

Companies by employee count

1-10
33
11-50
11
51-200
1

Email recency for this list is measured across the whole United States list rather than this city, so it is reported there. Company counts and contact totals on this page are exact for Los Angeles, over 45 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 sustainable IT consulting firms, 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 “sustainable IT consulting firms”. 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 sustainable IT consulting firms), 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 sustainable IT consulting firms, 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, 110 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 6, 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 sustainable IT consulting firms, 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 sustainable IT consulting firms are there based in Los Angeles, United States?

RevenueBase identified 45 sustainable IT consulting firms 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?

Partner Energy, headquartered in Los Angeles, tops this list with the largest team on record.

Which city has the most sustainable IT consulting firms?

New York leads with 104 headquartered companies, followed by Chicago (54) and Washington (50).

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 110 verified decision-maker contacts tracked across these 45 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 6, 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.