Company lists · Data refreshed October 2026

Top 25 Energy permitting consultants worldwide

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

Compiled by the RevenueBase Data Team Data refreshed Oct 12, 2026 10,629 companies tracked

RevenueBase identified 10,629 company matches for energy permitting consultants worldwide as of October 2026 and tracks 87,939 professional contacts across them, including 23,568 with verified work emails. The United States is the largest market and Madrid the largest hub.

This list covers company matches for energy permitting 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 permitting 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

10,629Companies

87,939Contacts tracked

23,568Verified emails

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The 25 largest energy permitting consultants worldwide

Ranked by team size

Top 25 of 10,629 company matches for energy permitting 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	NPL Construction CO	Exact match	Phoenix, AZ, United StatesHQ recorded Oct 12, 2026	5,001-10,000	1,376 contacts →
	Exact match “NPL is a nationally recognized leader in energy infrastructure construction, with 50 years of experience.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
2	Penspen	Exact match	London, United KingdomHQ recorded Oct 12, 2026	1,001-5,000	1,056 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 · Oct 12, 2026 · View company records in RevenueBase
3	Wanzek Construction, Inc., A Mastec Company	Exact match	Fargo, ND, United StatesHQ recorded Oct 12, 2026	1,001-5,000	946 contacts →
	Exact match “Wanzek Construction, Inc, a MasTec Renewables company, is a leading general construction contractor and clean energy services company headquartered in Fargo, North Dakota.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
4	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
5	Vikran Engineering LTD	Exact match	Thane, IndiaHQ recorded Oct 12, 2026	501-1,000	703 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 · Oct 12, 2026 · View company records in RevenueBase
6	Grupotec	Exact match	Valencia, SpainHQ recorded Oct 12, 2026	501-1,000	560 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 · Oct 12, 2026 · View company records in RevenueBase
7	RRC Companies	Exact match	Round Rock, TX, United StatesHQ recorded Oct 12, 2026	201-500	544 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 · Oct 12, 2026 · View company records in RevenueBase
8	Revergy	Exact match	Seville, SpainHQ recorded Oct 12, 2026	501-1,000	538 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 · Oct 12, 2026 · View company records in RevenueBase
9	Natural Power	Exact match	Castle Douglas, United KingdomHQ recorded Oct 12, 2026	501-1,000	517 contacts →
	Exact match “Natural Power is a leading independent consultancy and service provider for the renewable energy sector.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
10	Borea Construction	Exact match	Lévis, QC, CanadaHQ recorded Oct 12, 2026	201-500	475 contacts →
	Exact match “Borea Construction est le leader nord-américain dans la construction d'énergie renouvelable.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
11	Anddes	Exact match	Santiago De Surco, PeruHQ recorded Oct 12, 2026	201-500	436 contacts →
	Exact match “En Anddes nos especializamos en brindar servicios de asesoría y consultoría para el desarrollo y supervisión de proyectos ambientales, electromecánicos, civiles y de construcción…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
12	Fichtner Consulting Engineers LTD	Exact match	Stockport, United KingdomHQ recorded Oct 12, 2026	51-200	427 contacts →
	Exact match “Fichtner is one of the world's leading independent engineering consultancy firms.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
13	Equinox Engineering LTD	Exact match	Calgary, AB, CanadaHQ recorded Oct 12, 2026	201-500	416 contacts →
	Exact match “Established in 1997, Equinox is a distinguished EPCM service provider globally.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
14	International Energy Services Limited	Exact match	Lagos, NigeriaHQ recorded Oct 12, 2026	201-500	410 contacts →
	Exact match “International Energy Services Limited (IESL) – Key Company Information IESL was registered in Nigeria in 1990 as an indigenous energy services company.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
15	BM Energia	Exact match	Fortaleza, BrazilHQ recorded Oct 12, 2026	1,001-5,000	405 contacts →
	Exact match “Somos uma empresa de engenharia, especializada em infraestrutura para o setor de energia renovável, tendo executado diversos parques eólicos e solares de médio e grande porte.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
16	Iplan Gestión Integral	Exact match	Barcelona, SpainHQ recorded Oct 12, 2026	501-1,000	396 contacts →
	Exact match “Iplan is a company related to the engineering services of projects developed mainly in the energy sector, civil works, renewable energies and environment.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
17	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
18	P2s	Exact match	Long Beach, CA, United StatesHQ recorded Oct 12, 2026	201-500	381 contacts →
	Exact match “P2S has brought forward-thinking, sustainable engineering solutions to California, the Pacific Northwest, and beyond, for over 30 years.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
19	AESA	Exact match	Barcelona, SpainHQ recorded Oct 12, 2026	n/a	376 contacts →
	Exact match “Ingeniería y Consultoría Energética orientada a la búsqueda y el desarrollo de soluciones energéticas de alta eficiencia para sus Clientes.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
20	Doris Group	Exact match	Paris, FranceHQ recorded Oct 12, 2026	501-1,000	370 contacts →
	Exact match “DORIS is a leader in the provision of engineering, advisory, and project management services to the energy industry.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
21	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
22	Triton Environmental Consultants LTD	Exact match	Vancouver, BC, CanadaHQ recorded Oct 12, 2026	201-500	348 contacts →
	Exact match “Triton Environmental Consultants knows western Canada.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
23	Environmental Consulting & Technology, Inc. ECT	Exact match	Gainesville, FL, United StatesHQ recorded Oct 12, 2026	201-500	330 contacts →
	Exact match “Environmental Consulting & Technology, Inc.(ECT) is a multi-disciplinary environmental and sustainability consulting firm delivering strategy, permitting, design, and management…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
24	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
25	Asplundh Engineering Services	Exact match	Willow Grove, PA, United StatesHQ recorded Oct 12, 2026	1,001-5,000	300 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 · 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 permitting 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 10,629 energy permitting consultants worldwide

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Energy permitting consultants worldwide at a glance

As of Oct 12, 2026

26.8%Verified-email coverage

8.3Average contacts per company

1-10Median size (employees)

1.2%Largest-city concentration · Madrid

Oct 12, 2026Page data refreshed

Companies by employee count

1-10

6,900

11-50

2,871

51-200

630

201-500

120

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 permitting consultants are linked below.
What qualifies: Company records worldwide whose business descriptions match “energy permitting 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 23,568 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 permitting consultants by location

56 lists · largest first

Every Energy permitting 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 permitting consultants”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many energy permitting consultants are there worldwide?

RevenueBase identified 10,629 company matches for energy permitting 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?

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

Which country has the most energy permitting consultants?

The United States leads with 1,401 companies, followed by Spain (717) and Germany (649). Every energy permitting consultants list by country and city is linked on this page.

Which city has the most energy permitting consultants?

Madrid leads with 124 company records, followed by London (89) and Paris (87).

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 23,568 professional contacts with verified work emails tracked across these 10,629 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.

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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.