Company lists · Data refreshed October 2026

Top 25 Energy efficient lighting consultants worldwide

Name: Energy efficient lighting consultants worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 12, 2026 11,417 companies tracked

RevenueBase identified 11,417 company matches for energy efficient lighting consultants worldwide as of October 2026 and tracks 86,120 professional contacts across them, including 24,888 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for energy efficient lighting consultants worldwide, 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. Country and city lists for energy efficient lighting consultants follow the table.

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

11,417Companies

86,120Contacts tracked

24,888Verified emails

Explore this list → Free signup · no credit card · 500 free credits

The 25 largest energy efficient lighting consultants worldwide

Ranked by team size

Top 25 of 11,417 company matches for energy efficient lighting consultants worldwide, 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	OLA	Exact match	Austin, TX, United StatesHQ recorded Oct 12, 2026	n/a	1,150 contacts →
	Exact match “OLA Sustainability, LLC OLA Sustainability is a consulting firm that focuses on integrating sustainable practices into commercial and multifamily design projects.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
2	GK	Exact match	Oslo, NorwayHQ recorded Oct 12, 2026	1,001-5,000	1,134 contacts →
	Exact match “GK er en ledende teknisk entreprenør og servicepartner.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
3	Willdan	Exact match	Anaheim, CA, United StatesHQ recorded Oct 12, 2026	1,001-5,000	872 contacts →
	Exact match “Willdan (NASDAQ: WLDN) provides professional consulting and technical services to utilities, public agencies and private industry throughout the United States.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
4	Current Lighting	Exact match	Greenville, SC, United StatesHQ recorded Oct 12, 2026	1,001-5,000	756 contacts →
	Exact match “At Current, we are Always On and working to improve lives with the industry’s most expansive portfolio of sustainable advanced lighting and intelligent controls that reliably meet…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
5	Dialight	Exact match	Farmingale, NJ, United StatesHQ recorded Oct 12, 2026	1,001-5,000	713 contacts →
	Exact match “Dialight (LSE: DIA.L) is a global leader in sustainable LED lighting for industrial applications.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
6	Siteco	Exact match	Traunreut, GermanyHQ recorded Oct 12, 2026	1,001-5,000	414 contacts →
	Exact match “SITECO represents the future of light and has done so for over 160 years.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
7	Sesco Lighting, INC	Exact match	Maitland, FL, United StatesHQ recorded Oct 12, 2026	201-500	412 contacts →
	Exact match “SESCO exclusively represents outstanding lighting companies that specialize in LED technology, lighting controls, interior & exterior lighting as well as custom & decorative.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
8	TRIO	Exact match	Irvine, CA, United StatesHQ recorded Oct 12, 2026	201-500	387 contacts →
	Exact match “We are Trio – global energy and sustainability advisors.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
9	MCW Group Of Companies	Exact match	Toronto, ON, CanadaHQ recorded Oct 12, 2026	201-500	370 contacts →
	Exact match “Since 1964 the MCW Group has built a solid reputation for the delivery of Professional Consulting Engineering Services, Energy Management Services, and Engineering Development…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
10	NUS Consulting Group	Exact match	Park Ridge, NJ, United StatesHQ recorded Oct 12, 2026	201-500	360 contacts →
	Exact match “National Utility Service, Inc.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
11	Huda Lighting	Exact match	Dubai, United Arab EmiratesHQ recorded Oct 12, 2026	201-500	344 contacts →
	Exact match “Huda Lighting has been enhancing how spaces feel across the Middle East, Africa, and Europe for over 25 years through design-led lighting, technical expertise, and reliable…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
12	Etap Lighting International NV	Exact match	Malle, MaldivesHQ recorded Oct 12, 2026	201-500	316 contacts →
	Exact match “In a world facing severe challenges like global climate change and depletion of natural resources, we need to rethink our ways.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
13	Deode Energia	Exact match	Juiz De Fora, BrazilHQ recorded Oct 12, 2026	201-500	313 contacts →
	Exact match “A DEODE Energia foi fundada em 2012 proveniente da HF Energy.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
14	Atelier TEN	Exact match	London, United KingdomHQ recorded Oct 12, 2026	51-200	311 contacts →
	Exact match “As environmental design consultants, building services engineers and lighting designers, we are committed to high performance and sustainable design within the built environment.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
15	Cascade Energy	Exact match	Portland, OR, United StatesHQ recorded Oct 12, 2026	201-500	301 contacts →
	Exact match “At Cascade Energy, we believe in better.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
16	RAB Lighting	Exact match	New York, NY, United StatesHQ recorded Oct 12, 2026	501-1,000	301 contacts →
	Exact match “RAB Lighting is committed to creating high quality, affordable, well designed and energy efficient LED lighting and controls that make it easy for distributors to sell…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
17	Ledsc4	Exact match	Torà, SpainHQ recorded Oct 12, 2026	201-500	254 contacts →
	Exact match “Good lighting makes spaces worth living through emotion, comfort and care.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
18	Pageau Morel ET Associés INC	Exact match	Montréal, QC, CanadaHQ recorded Oct 12, 2026	201-500	225 contacts →
	Exact match “Fondée en 1956, PAGEAU MOREL est une entreprise spécialisée dans les domaines de l'ingénierie mécanique et électrique, de l'efficacité énergétique et de l'écoconception.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
19	PEG	Exact match	Fairfax, VA, United StatesHQ recorded Oct 12, 2026	201-500	216 contacts →
	Exact match “PEG presents a comprehensive capacity for the evaluation and understanding of a broad base of energy and environmental sustainability related programs, policies and initiatives.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
20	Dalkia Energy Solutions	Exact match	Beverly, MA, United StatesHQ recorded Oct 12, 2026	201-500	213 contacts →
	Exact match “Dalkia Energy Solutions, a subsidiary of the EDF (Électricité de France) Group, is a national leader in energy efficiency and sustainability for commercial, industrial, and…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
21	Energy Management Collaborative EMC	Exact match	Minneapolis, MN, United StatesHQ recorded Oct 12, 2026	201-500	207 contacts →
	Exact match “EMC manages and scales turnkey energy efficiency solutions for Fortune 500 clients across their North American portfolios.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
22	Lumenpulse	Exact match	Longueuil, QC, CanadaHQ recorded Oct 12, 2026	501-1,000	202 contacts →
	Exact match “About Lumenpulse Inc.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
23	Orion Energy Systems, INC	Exact match	Manitowoc, WI, United StatesHQ recorded Oct 12, 2026	201-500	201 contacts →
	Exact match “Orion is the leader in LED lighting systems and turnkey project implementation including commissioning and installation of fixtures, controls and IoT solutions, ongoing system…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
24	Molto Luce	Exact match	Wels, AustriaHQ recorded Oct 12, 2026	201-500	196 contacts →
	Exact match “We love light, in all of its various forms.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
25	Energobit	Exact match	Cluj-napoca, RomaniaHQ recorded Oct 12, 2026	501-1,000	191 contacts →
	Exact match “We are a competitive, strong and trustworthy company in the sector of major electrical energy players.” 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 “energy efficient lighting consultants”. 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 25 of 11,417 energy efficient lighting consultants worldwide

See the full list, filter by size, metro and specialty, and access 24,888 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Energy efficient lighting consultants worldwide at a glance

As of Oct 12, 2026

28.9%Verified-email coverage

7.5Average contacts per company

1-10Median size (employees)

0.8%Largest-city concentration · London

Oct 12, 2026Page data refreshed

Companies by employee count

1-10

6,674

11-50

3,541

51-200

883

201-500

156

501-1,000

1,001-5,000

5,001-10,000

10001+

Email recency is reported on each country list linked below.

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.
Coverage: Every country. Country and city lists for energy efficient lighting consultants are linked below.
What qualifies: Company records worldwide whose business descriptions match “energy efficient lighting consultants” 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. 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 24,888 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.

Energy efficient lighting consultants by location

55 lists · largest first

Every Energy efficient lighting consultants list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Cities

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 efficient lighting consultants”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many energy efficient lighting consultants are there worldwide?

RevenueBase identified 11,417 company matches for energy efficient lighting consultants worldwide 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?

OLA tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most energy efficient lighting consultants?

The United States leads with 2,102 companies, followed by Germany (636) and the United Kingdom (619). Every energy efficient lighting consultants list by country and city is linked on this page.

Which city has the most energy efficient lighting consultants?

London leads with 96 company records, followed by Sao Paulo (85) and Dubai (83).

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 24,888 professional contacts with verified work emails tracked across these 11,417 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.

Ready to reach these companies? Verified emails and direct dials for all 11,417 energy efficient lighting consultants worldwide. Start with a free account, no credit card.

Download this list →

Related lists

Browse the directory

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.