Company lists · Data refreshed November 2026

Top 25 Voltage regulation consultants worldwide

RevenueBase identified 4,750 company matches for voltage regulation consultants worldwide as of November 2026 and tracks 71,544 professional contacts across them, including 21,243 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers company matches for voltage regulation 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 November 6, 2026. Country and city lists for voltage regulation 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 Nov 6, 2026 How this list was built
4,750Companies
71,544Contacts tracked
21,243Verified emails
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The 25 largest voltage regulation consultants worldwide

Ranked by team size
Top 25 of 4,750 company matches for voltage regulation consultants worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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 matchKennesaw, PA, United StatesHQ recorded Nov 6, 20261,001-5,0002,022 contacts →

Exact match

“ENERCON is a multi-discipline engineering and environmental engineering support services firm focused on delivering safe and efficient solutions for the power, data center and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchBelo Horizonte, BrazilHQ recorded Nov 6, 20265,001-10,0001,929 contacts →

Exact match

“A Engelmig foi fundada em 1985 com o objetivo de prestar serviços de engenharia em redes de distribuição de energia elétrica.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchIrving, OK, United StatesHQ recorded Nov 6, 20261,001-5,0001,324 contacts →

Exact match

“Shermco Industries is a provider of safe, reliable testing, repair, professional training, electrical outage planning, maintenance and analysis of rotating apparatus and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchHouston, TX, United StatesHQ recorded Nov 6, 20261,001-5,0001,087 contacts →

Exact match

“Dashiell is a leading national provider of technical services to the electric utility, power generation, industrial, renewable and energy industries.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchAnaheim, CA, United StatesHQ recorded Nov 6, 20261,001-5,000897 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 · Nov 6, 2026 · View company records in RevenueBase
6Exact matchLeeds, United KingdomHQ recorded Nov 6, 20261,001-5,000740 contacts →

Exact match

“Freedom is a leading provider of facilities and power engineering services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchAustin, TX, United StatesHQ recorded Nov 6, 2026501-1,000716 contacts →

Exact match

“Electric Power Engineers (EPE) is a global advisory and engineering firm advancing grid reliability, resilience, flexibility, and affordability.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchHouston, CA, United StatesHQ recorded Nov 6, 20261,001-5,000590 contacts →

Exact match

“RESA Power is your ONE-STOP for all of your power needs.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchHouston, OK, United StatesHQ recorded Nov 6, 20261,001-5,000586 contacts →

Exact match

“Saber Power Services, a portfolio company of Greenbelt Capital Partners, is a fully integrated electrical power system services firm providing end-to-end solutions across utility…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchSariyer, TürkiyeHQ recorded Nov 6, 20261,001-5,000523 contacts →

Exact match

“Kontrolmatik provides a broad spectrum of services to industries including- LV/MV/HV Solutions- SCADA and Automation- Communication- Balance of Plant- Consulting- ICS…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchCovington, CA, United StatesHQ recorded Nov 6, 2026501-1,000514 contacts →

Exact match

“With an enduring commitment to Engineering Power-ful Solutions, Ampirical offers services with a focus on outstanding quality, value added engineering and successful project…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchFlorianópolis, BrazilHQ recorded Nov 6, 2026201-500499 contacts →

Exact match

“A COTESA é especialista na Engenharia de Operação & Manutenção de ativos elétricos de Geração e Transmissão de energia.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchTyler, TX, United StatesHQ recorded Nov 6, 2026501-1,000469 contacts →

Exact match

“TechServ Consulting and Training, Ltd was established in November 1992.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchSahibabad, IndiaHQ recorded Nov 6, 2026201-500464 contacts →

Exact match

“Tricolite Electrical Industries Limited located in IMT Manesar and Sahibabad, is a renowned name in Design, Manufacturing, Supply, Testing & Commissioning of Custom-Built Medium &…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchHouston, NY, United StatesHQ recorded Nov 6, 2026201-500438 contacts →

Exact match

“For decades, E Source has been a trusted partner to utilities navigating an evolving energy landscape.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchMontevideo, UruguayHQ recorded Nov 6, 2026501-1,000431 contacts →

Exact match

“Empresa de Ingeniería y Servicios en el area de la Ingenieria Electrica e Industrial.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchCarrollton, TX, United StatesHQ recorded Nov 6, 20261,001-5,000429 contacts →

Exact match

“Concentric is the first national industrial power services organization delivering forklift and critical power as well as maintenance solutions that ensure uninterrupted…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchMacaé, BrazilHQ recorded Nov 6, 2026201-500398 contacts →

Exact match

“MI Electric Brasil is a company specialized in electrical engineering, controls and automation, focusing on provide energy supplies and equipment maintenance solutions in order to…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchJackson, TX, United StatesHQ recorded Nov 6, 2026201-500357 contacts →

Exact match

“We provide expert engineering and consulting services that enable a more reliable and resilient power system.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchEdmonton, CO, CanadaHQ recorded Nov 6, 2026201-500355 contacts →

Exact match

“Delivering confidence for over 40 years.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchMalaga, AustraliaHQ recorded Nov 6, 2026201-500343 contacts →

Exact match

“We are an engineering and technical services business that won’t let you down.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchCalgary, NL, CanadaHQ recorded Nov 6, 2026201-500342 contacts →

Exact match

“Rising Edge Group is a high voltage electrical contractor providing safe, cost-effective, and fit-for-purpose project solutions to the power industry.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchBangalore, IndiaHQ recorded Nov 6, 20261,001-5,000322 contacts →

Exact match

“Enzen Global Solutions - India is part of the Enzen Group, a global, professional, knowledge practice that focuses on gaining, refining and sharing expertise in the energy and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchWillow Grove, MA, United StatesHQ recorded Nov 6, 20261,001-5,000305 contacts →

Exact match

“Asplundh Engineering Services leverages more than 100 years of experience to provide a superior, single-point solution for engineering, design and testing services to…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchGrenoble, FranceHQ recorded Nov 6, 2026201-500301 contacts →

Exact match

“MasterGrid est une entreprise spécialisée dans les services aux systèmes électriques, de la très haute à la basse tension.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 4,750 voltage regulation consultants worldwide

See the full list, filter by size, metro and specialty, and access 21,243 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Voltage regulation consultants worldwide at a glance

As of Nov 6, 2026
29.7%Verified-email coverage
15.1Average contacts per company
1-10Median size (employees)
1.0%Largest-city concentration · Sao Paulo
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
2,433
11-50
1,588
51-200
516
201-500
103
501-1,000
28
1,001-5,000
48
5,001-10,000
3
10001+
5

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 voltage regulation consultants are linked below.
What qualifies
Company records worldwide whose business descriptions match “voltage regulation 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 21,243 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 November 6, 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.

Voltage regulation consultants by location

25 lists · largest first

Every Voltage regulation 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 “voltage regulation consultants”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many voltage regulation consultants are there worldwide?

RevenueBase identified 4,750 company matches for voltage regulation consultants worldwide as of November 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?

Enercon Services, INC tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most voltage regulation consultants?

The United States leads with 655 companies, followed by Brazil (456) and India (322). Every voltage regulation consultants list by country and city is linked on this page.

Which city has the most voltage regulation consultants?

Sao Paulo leads with 48 company records, followed by Calgary (32) and Houston (27).

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 21,243 professional contacts with verified work emails tracked across these 4,750 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 November 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 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.