Company lists · Data refreshed September 2026

Top 25 Grid stability consulting firms worldwide

Name: Grid stability consulting firms worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 28, 2026 2,749 companies tracked

RevenueBase identified 2,749 grid stability consulting firms worldwide as of September 2026 and tracks 36,360 professional contacts across them, including 11,843 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers grid stability consulting firms worldwide, 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 28, 2026. Country and city lists for grid stability consulting firms follow the table.

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 28, 2026 86% judged on-target in blind review

2,749Companies

36,360Contacts tracked

11,843Verified emails

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

The 25 largest grid stability consulting firms worldwide

Ranked by team size

Top 25 of 2,749 grid stability consulting firms worldwide, ranked by team size, largest first. Data refreshed Sep 28, 2026. RevenueBase Smart Search rates how each company's information relates to grid stability 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.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	S&c Electric Company	Partial evidence	Chicago, IL, United StatesHQ checked Sep 28, 2026	1,001-5,000	2,465 contacts →
	Partial evidence “S&C is empowering people to transform the grid.” Source: RevenueBase Database · checked Sep 28, 2026
2	Omexom	Indirect evidence	Nanterre, FranceHQ checked Sep 28, 2026	5,001-10,000	1,903 contacts →
	Indirect evidence “With today's global energy sector undergoing constant change, Omexom works with its clients in delivering on the promises of the energy transition.” Source: RevenueBase Database · checked Sep 28, 2026
3	Westwood Professional Services	Indirect evidence	Plano, TX, United StatesHQ checked Sep 28, 2026	1,001-5,000	1,661 contacts →
	Indirect evidence “At Westwood, our purpose is to create a better world for people through our work.” Source: RevenueBase Database · checked Sep 28, 2026
4	Willdan	Partial evidence	Anaheim, CA, United StatesHQ checked Sep 28, 2026	1,001-5,000	851 contacts →
	Partial evidence “Willdan (NASDAQ: WLDN) provides professional consulting and technical services to utilities, public agencies and private industry throughout the United States.” Source: RevenueBase Database · checked Sep 28, 2026
5	Electric Power Engineers	Partial evidence	Austin, TX, United StatesHQ checked Sep 28, 2026	501-1,000	630 contacts →
	Partial evidence “Electric Power Engineers (EPE) is a global advisory and engineering firm advancing grid reliability, resilience, flexibility, and affordability.” Source: RevenueBase Database · checked Sep 28, 2026
6	Delta Star, INC	Indirect evidence	Lynchburg, VA, United StatesHQ checked Sep 28, 2026	1,001-5,000	548 contacts →
	Indirect evidence “Delta Star is recognized as an industry leader in pursuit of continuously improving the performance, delivery and reliability of power to meet the energy needs of the future._…” Source: RevenueBase Database · checked Sep 28, 2026
7	JOULZ	Indirect evidence	Zoetermeer, NetherlandsHQ checked Sep 28, 2026	201-500	525 contacts →
	Indirect evidence “De energietransitie stelt bedrijven en instellingen voor toenemende uitdagingen.” Source: RevenueBase Database · checked Sep 28, 2026
8	Revergy	Indirect evidence	Seville, SpainHQ checked Sep 28, 2026	501-1,000	502 contacts →
	Indirect evidence “REVERGY nace mediante un proyecto de profesionales procedentes de diferentes ámbitos del sector de las energías renovables con el fin de presentar un proyecto marcado por la…” Source: RevenueBase Database · checked Sep 28, 2026
9	Qualitrol	Partial evidence	Fairport, NY, United StatesHQ checked Sep 28, 2026	501-1,000	494 contacts →
	Partial evidence “Qualitrol is a global leader in electrical grid monitoring solutions for businesses that manage, operate, or support the power grid.” Source: RevenueBase Database · checked Sep 28, 2026
10	Cotesa Engenharia	Indirect evidence	Florianópolis, BrazilHQ checked Sep 28, 2026	201-500	449 contacts →
	Indirect evidence “A COTESA é especialista na Engenharia de Operação & Manutenção de ativos elétricos de Geração e Transmissão de energia.” Source: RevenueBase Database · checked Sep 28, 2026
11	Brush Group	Partial evidence	Loughborough, United KingdomHQ checked Sep 28, 2026	501-1,000	367 contacts →
	Partial evidence “We support the global drive to net zero with innovative, engineered solutions that address grid resilience and systems challenges, facilitate electrification of transport and…” Source: RevenueBase Database · checked Sep 28, 2026
12	Commonwealth Associates, INC	Partial evidence	Jackson, MI, United StatesHQ checked Sep 28, 2026	201-500	305 contacts →
	Partial evidence “We provide expert engineering and consulting services that enable a more reliable and resilient power system.” Source: RevenueBase Database · checked Sep 28, 2026
13	Asplundh Engineering Services	Indirect evidence	Willow Grove, PA, United StatesHQ checked Sep 28, 2026	1,001-5,000	284 contacts →
	Indirect evidence “Asplundh Engineering Services leverages more than 100 years of experience to provide a superior, single-point solution for engineering, design and testing services to…” Source: RevenueBase Database · checked Sep 28, 2026
14	Quanta Technology, LLC	Indirect evidence	Raleigh, NC, United StatesHQ checked Sep 28, 2026	201-500	278 contacts →
	Indirect evidence “Quanta Technology is an expertise-based, independent advisory company providing business and technical expertise to the energy and utility industries.” Source: RevenueBase Database · checked Sep 28, 2026
15	Illumine-I	Indirect evidence	Austin, CA, United StatesHQ checked Sep 28, 2026	201-500	275 contacts →
	Indirect evidence “The world runs on power.” Source: RevenueBase Database · checked Sep 28, 2026
16	Power Research And Development Consultants PVT LTD	Partial evidence	Bangalore, IndiaHQ checked Sep 28, 2026	201-500	268 contacts →
	Partial evidence “Power Research & Development Consultants Private Limited, Bengaluru, India has its core competence in the area of power system consulting, power system studies, analysis, design…” Source: RevenueBase Database · checked Sep 28, 2026
17	PSC Consulting	Partial evidence	Kirkland, WA, United StatesHQ checked Sep 28, 2026	201-500	254 contacts →
	Partial evidence “We provide global renewable energy consulting services, focused on empowering clients to navigate the complexities of the energy transition.” Source: RevenueBase Database · checked Sep 28, 2026
18	Mosaic	Strong evidence	Renton, WA, United StatesHQ checked Sep 28, 2026	201-500	248 contacts →
	Strong evidence “Mosaic is a consulting firm that delivers custom solutions across the energy, utility, grid operations, and grid modernization space.” Source: RevenueBase Database · checked Sep 28, 2026
19	Expanse Electrical CO	Indirect evidence	Houston, TX, United StatesHQ checked Sep 28, 2026	501-1,000	188 contacts →
	Indirect evidence “Expanse Electrical Company is a premier provider of integrated electrical infrastructure, instrumentation and automation system solutions.” Source: RevenueBase Database · checked Sep 28, 2026
20	Power Projects	Partial evidence	Chennai, IndiaHQ checked Sep 28, 2026	51-200	188 contacts →
	Partial evidence “Power projects is a specialized Electrical Engineering and Power System Consultancy firm delivering solutions for Grid Code Compliance, BESS, Renewable Energy, Power Plants, and…” Source: RevenueBase Database · checked Sep 28, 2026
21	Eficaz Energia E Serviços Ltda	Indirect evidence	Olinda, BrazilHQ checked Sep 28, 2026	1,001-5,000	180 contacts →
	Indirect evidence “Fundada no ano de 1997 por ex-funcionários da Coelce a empresa surgiu com o propósito de atender as demandas crescentes no segmento de prestação de serviços em engenharia elétrica.” Source: RevenueBase Database · checked Sep 28, 2026
22	Mercados Energy Markets India	Partial evidence	New Delhi, IndiaHQ checked Sep 28, 2026	51-200	178 contacts →
	Partial evidence “Mercados Energy Markets India Private Limited (Mercados EMI) is a global consulting firm specializing in power and energy.” Source: RevenueBase Database · checked Sep 28, 2026
23	Electronet Group	Indirect evidence	Greymouth, New ZealandHQ checked Sep 28, 2026	201-500	177 contacts →
	Indirect evidence “ElectroNet is a 100% New Zealand-owned company providing innovative technology and energy solutions across the power industry.” Source: RevenueBase Database · checked Sep 28, 2026
24	Sunkonnect PTE LTD	Partial evidence	SingaporeHQ checked Sep 28, 2026	201-500	167 contacts →
	Partial evidence “Sunkonnect is a leading energy transition and renewable energy consulting company delivering end-to-end engineering, quality assurance, project management consultancy, and…” Source: RevenueBase Database · checked Sep 28, 2026
25	Revamp Engineering, INC	Indirect evidence	Oakland, CA, United StatesHQ checked Sep 28, 2026	51-200	162 contacts →
	Indirect evidence “Revamp is the premier engineering firm for large-scale renewable energy projects.” Source: RevenueBase Database · checked Sep 28, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: grid stability consulting firms. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names grid stability consulting firms.
Partial evidence: Its own public description names part of grid stability consulting firms, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name grid stability consulting firms. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 25 of 2,749 grid stability consulting firms worldwide

See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 11,843 reachable decision-makers.

Free signup · no credit card

View the full list →

Grid stability consulting firms worldwide at a glance

As of Sep 28, 2026

32.6%Verified-email coverage

13.2Average contacts per company

1-10Median size (employees)

0.8%Largest-city concentration · Sao Paulo

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

1,735

11-50

745

51-200

185

201-500

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

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among grid stability 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.
Coverage: Every country. Country and city lists for grid stability consulting firms are linked below.
What qualifies: Companies worldwide whose own description of what they do matches “grid stability 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 grid stability 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 grid stability consulting firms, and records with no verified work email.
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, 11,843 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 28, 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.

Grid stability consulting firms by location

19 lists · largest first

Every Grid stability consulting firms list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

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 grid stability 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 grid stability consulting firms are there worldwide?

RevenueBase identified 2,749 grid stability consulting firms worldwide 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?

S&c Electric Company, headquartered in Chicago, tops this list with the largest team on record.

Which country has the most grid stability consulting firms?

The United States leads with 464 companies, followed by Brazil (262) and Germany (121). Every grid stability consulting firms list by country and city is linked on this page.

Which city has the most grid stability consulting firms?

Sao Paulo leads with 22 headquartered companies, followed by London (21) and Calgary (19).

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 11,843 verified decision-maker contacts tracked across these 2,749 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 28, 2026.

Ready to reach these companies? Verified emails and direct dials for all 2,749 grid stability consulting firms 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 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.