Company lists · Data refreshed September 2026

Top 25 Grid integration consultants worldwide

Name: Grid integration consultants worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 20, 2026 12,826 companies tracked

RevenueBase identified 12,826 company matches for grid integration consultants worldwide as of September 2026 and tracks 146,338 professional contacts across them, including 42,119 with verified work emails. The United States is the largest market and Madrid the largest hub.

This list covers company matches for grid integration 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 September 20, 2026. Country and city lists for grid integration 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 Sep 20, 2026 How this list was built

12,826Companies

146,338Contacts tracked

42,119Verified emails

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The 25 largest grid integration consultants worldwide

Ranked by team size

Top 25 of 12,826 company matches for grid integration consultants worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 20, 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	Entrust Solutions Group	Exact match	Lisle, IL, United StatesHQ recorded Sep 20, 2026	1,001-5,000	2,966 contacts →
	Exact match “ENTRUST Solutions Group, an ENR Top 100 company, provides comprehensive and dependable engineering, consulting, and automation services to pipeline companies, gas and electric…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
2	FTI	Exact match	Menasha, WI, United StatesHQ recorded Sep 20, 2026	1,001-5,000	2,741 contacts →
	Exact match “Faith Technologies Incorporated (FTI) is a dynamic organization comprised of construction, engineering, manufacturing and renewable energy experts.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
3	Omexom	Exact match	Nanterre, FranceHQ recorded Sep 20, 2026	5,001-10,000	1,903 contacts →
	Exact match “With today's global energy sector undergoing constant change, Omexom works with its clients in delivering on the promises of the energy transition.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
4	Fluence	Exact match	Arlington, VA, United StatesHQ recorded Sep 20, 2026	1,001-5,000	1,863 contacts →
	Exact match “To achieve our mission, we design, deploy, and operate the world’s most advanced modular energy storage products, comprehensive lifecycle services, and AI-enabled asset management…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
5	Westwood Professional Services	Exact match	Plano, TX, United StatesHQ recorded Sep 20, 2026	1,001-5,000	1,661 contacts →
	Exact match “At Westwood, our purpose is to create a better world for people through our work.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
6	Steag Energy Services India Pvt. LTD	Exact match	Noida, IndiaHQ recorded Sep 20, 2026	1,001-5,000	1,572 contacts →
	Exact match “STEAG Energy Services India, established in 2001 as a wholly owned subsidiary of STEAG GmbH, Germany, is now part of the Bluspring Enterprises Limited, India’s integrated…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
7	KK Wind Solutions	Exact match	Ikast, DenmarkHQ recorded Sep 20, 2026	1,001-5,000	1,423 contacts →
	Exact match “KK Wind Solutions is a dedicated greentech company with more than 35 years of experience in electrical systems for wind turbines.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
8	Penspen	Exact match	London, United KingdomHQ recorded Sep 20, 2026	1,001-5,000	1,007 contacts →
	Exact match “Penspen designs, maintains, and optimises energy infrastructure to improve access to secure and sustainable energy for communities worldwide.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
9	Willdan	Exact match	Anaheim, CA, United StatesHQ recorded Sep 20, 2026	1,001-5,000	851 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 · Sep 20, 2026 · View company records in RevenueBase
10	ALFEN	Exact match	Almere, NetherlandsHQ recorded Sep 20, 2026	501-1,000	678 contacts →
	Exact match “With transformer substations, energy storage systems, charging stations for electric vehicles and a diverse portfolio of other products and services, Alfen has a central and…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
11	Vikran Engineering LTD	Exact match	Thane, IndiaHQ recorded Sep 20, 2026	501-1,000	661 contacts →
	Exact match “M/s VIKRAN Engineering Ltd is a reputed and established engineering company specializing in providing comprehensive solutions in the fields of renewable energy, engineering…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
12	WTS Energy	Exact match	The Hague, NetherlandsHQ recorded Sep 20, 2026	1,001-5,000	651 contacts →
	Exact match “The Energy Transition brings new challenges and opportunities to all of us.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
13	Electric Power Engineers	Exact match	Austin, TX, United StatesHQ recorded Sep 20, 2026	501-1,000	630 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 · Sep 20, 2026 · View company records in RevenueBase
14	Grupotec	Exact match	Valencia, SpainHQ recorded Sep 20, 2026	501-1,000	538 contacts →
	Exact match “GRUPOTEC - Empresa multidisciplinar de ingeniería y arquitectura y líder en el sector de la energía fotovoltaica.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
15	JOULZ	Exact match	Zoetermeer, NetherlandsHQ recorded Sep 20, 2026	201-500	525 contacts →
	Exact match “De energietransitie stelt bedrijven en instellingen voor toenemende uitdagingen.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
16	Elnetselskabet N1	Exact match	Esbjerg N, DenmarkHQ recorded Sep 20, 2026	501-1,000	504 contacts →
	Exact match “Hos N1 er vi dem, der kæmper for at tilføre elnettet ny energi.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
17	Revergy	Exact match	Seville, SpainHQ recorded Sep 20, 2026	501-1,000	502 contacts →
	Exact match “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…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
18	Natural Power	Exact match	Castle Douglas, United KingdomHQ recorded Sep 20, 2026	501-1,000	500 contacts →
	Exact match “Natural Power is a leading independent consultancy and service provider for the renewable energy sector.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
19	RRC Companies	Exact match	Round Rock, TX, United StatesHQ recorded Sep 20, 2026	201-500	494 contacts →
	Exact match “RRC is a top-tier designer of utility-scale wind, solar, energy storage, data center, and oil & gas projects in the US and select international markets.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
20	Amara Nzero Brasil	Exact match	Salvador, BrazilHQ recorded Sep 20, 2026	501-1,000	493 contacts →
	Exact match “Somos uma empresa com uma grande experiência integral em energia sustentável fortemente comprometida com a Transição Energética.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
21	Babcock Power	Exact match	Danvers, MA, United StatesHQ recorded Sep 20, 2026	501-1,000	476 contacts →
	Exact match “Finding a single capable partner to support both large- and small-scale power generation needs can be challenging.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
22	3e Engenharia EM Eficiencia Energetica	Exact match	BrazilHQ recorded Sep 20, 2026	201-500	473 contacts →
	Exact match “A 3E Engenharia atua nacionalmente, oferecendo soluções para empresas concessionárias de serviços públicos, no planejamento, gestão, execução e inovação em projetos de Eficiência…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
23	Borea Construction	Exact match	Lévis, QC, CanadaHQ recorded Sep 20, 2026	201-500	455 contacts →
	Exact match “Borea Construction est le leader nord-américain dans la construction d'énergie renouvelable.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
24	Cotesa Engenharia	Exact match	Florianópolis, BrazilHQ recorded Sep 20, 2026	201-500	449 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 · Sep 20, 2026 · View company records in RevenueBase
25	Open Systems International	Exact match	Bedford, MA, United StatesHQ recorded Sep 20, 2026	1,001-5,000	422 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 20, 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 “grid integration 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 12,826 grid integration consultants worldwide

See the full list, filter by size, metro and specialty, and access 42,119 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Grid integration consultants worldwide at a glance

As of Sep 20, 2026

28.8%Verified-email coverage

11.4Average contacts per company

1-10Median size (employees)

0.9%Largest-city concentration · Madrid

Sep 20, 2026Page data refreshed

Companies by employee count

1-10

7,186

11-50

4,134

51-200

1,050

201-500

250

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 grid integration consultants are linked below.
What qualifies: Company records worldwide whose business descriptions match “grid integration 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 42,119 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 September 20, 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.

Grid integration consultants by location

52 lists · largest first

Every Grid integration 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 “grid integration consultants”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many grid integration consultants are there worldwide?

RevenueBase identified 12,826 company matches for grid integration consultants worldwide as of September 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?

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

Which country has the most grid integration consultants?

The United States leads with 1,296 companies, followed by Brazil (999) and Germany (856). Every grid integration consultants list by country and city is linked on this page.

Which city has the most grid integration consultants?

Madrid leads with 113 company records, followed by London (109) and Sao Paulo (90).

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 42,119 professional contacts with verified work emails tracked across these 12,826 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 September 20, 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.