Company lists · Data refreshed November 2026

Top 25 Grid interconnection consultants based in the United States

RevenueBase identified 253 company matches for grid interconnection consultants associated with the United States as of November 2026 and tracks 7,250 professional contacts across them, including 2,325 with verified work emails. Houston is the largest hub.

This list covers company matches for grid interconnection consultants associated with the United States, 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.

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
253Companies
7,250Contacts tracked
2,325Verified emails
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The 25 largest grid interconnection consultants based in the United States

Ranked by team size
Top 25 of 253 company matches for grid interconnection consultants based in the United States, 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 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
2Exact 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
3Exact 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
4Exact matchRenton, WA, United StatesHQ recorded Nov 6, 2026201-500275 contacts →

Exact match

“Mosaic is a consulting firm that delivers custom solutions across the energy, utility, grid operations, and grid modernization space.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchOakland, TX, United StatesHQ recorded Nov 6, 2026201-500191 contacts →

Exact match

“Revamp is the premier engineering firm for large-scale renewable energy projects.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchLake Mary, FL, United StatesHQ recorded Nov 6, 20261,001-5,000157 contacts →

Exact match

“Qualus is a leading pure-play power services firm and innovator at the forefront of the energy transition and transformation, with differentiated capabilities across grid…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchHallowell, ME, United StatesHQ recorded Nov 6, 202651-200123 contacts →

Exact match

“Ingenuity, Integrity, and Passion.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchDurham, NC, United StatesHQ recorded Nov 6, 202651-200112 contacts →

Exact match

“Smart Wires helps utilities and transmission operators solve urgent grid reliability and capacity challenges by getting more from the infrastructure they already have.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchHuntington Beach, CA, United StatesHQ recorded Nov 6, 202651-200105 contacts →

Exact match

“TS Conductor is modernizing the power grid with next generation advanced conductors that provide more capacity while reducing total project costs.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchRaleigh, NC, United StatesHQ recorded Nov 6, 2026201-500102 contacts →

Exact match

“Quanta Technology is an expertise-based, independent advisory company providing business and technical expertise to the energy and utility industries.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchIrving, TX, United StatesHQ recorded Nov 6, 202651-200101 contacts →

Exact match

“Traditionally, power systems around the world were designed based on synchronous machines being the primary source of generation.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchSomerset, DC, United StatesHQ recorded Nov 6, 202651-20095 contacts →

Exact match

“Power is All We Do™.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchWest Palm Beach, FL, United StatesHQ recorded Nov 6, 202651-20088 contacts →

Exact match

“E.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchBoston, MA, United StatesHQ recorded Nov 6, 202651-20081 contacts →

Exact match

“GridUnity® accelerates grid interconnection by streamlining and automating complex, manual processes that delay energy deployment.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchMansfield, MA, United StatesHQ recorded Nov 6, 202651-20079 contacts →

Exact match

“ControlPoint Technologies is advancing the Power & Energy industry through engineering, design, and analytical solutions enabling grid modernization and renewable energy…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchFolsom, CA, United StatesHQ recorded Nov 6, 202611-5071 contacts →

Exact match

“GridSME - Grid Subject Matter Experts - Facilitating Change in Our Industry The electric industry is undergoing change at an unprecedented rate.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchHanover, MD, United StatesHQ recorded Nov 6, 202651-20061 contacts →

Exact match

“Bringing together over 100 years of experience, Forgent delivers solutions for the power infrastructure of the future.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchCharlottesville, VA, United StatesHQ recorded Nov 6, 202651-20060 contacts →

Exact match

“Axial Energy is an engineering and management consulting company that provides a range of services for renewable energy generation and battery storage projects.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchLakeville, MN, United StatesHQ recorded Nov 6, 202611-5060 contacts →

Exact match

“CEG designs and constructs utility scale solar, wind and battery storage projects.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchSterling, CA, United StatesHQ recorded Nov 6, 202611-5055 contacts →

Exact match

“At ESTA International, we help electric utilities navigate industry change and make informed decisions in a rapidly evolving energy landscape.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchWorcester, MA, United StatesHQ recorded Nov 6, 202611-5051 contacts →

Exact match

“Daymark Energy Advisors is an economics and engineering consulting firm serving the North American electric power and natural gas industries.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchSacramento, CA, United StatesHQ recorded Nov 6, 202611-5050 contacts →

Exact match

“IEC Corporation is a multi-discipline engineering, design, and consulting firm dedicated to Shaping the Future of Energy™.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchKnoxville, TN, United StatesHQ recorded Nov 6, 202611-5039 contacts →

Exact match

“EnerNex, a CESI company, is an international champion delivering leading-edge engineering and consulting services to shape a better energy future.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchNew York, NY, United StatesHQ recorded Nov 6, 202611-5035 contacts →

Exact match

“Nira is grid-planning software built for the clean energy transition.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchChicago, IL, United StatesHQ recorded Nov 6, 202611-5034 contacts →

Exact match

“Amped I is an innovative design and engineering firm specializing in power infrastructure projects ranging from transmission to distribution and fire protection projects for power…”

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

Showing 25 of 253 grid interconnection consultants based in the United States

See the full list, filter by size, metro and specialty, and access 2,325 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Grid interconnection consultants based in the United States at a glance

As of Nov 6, 2026
32.1%Verified-email coverage
28.7Average contacts per company
1-10Median size (employees)
3.6%Largest-city concentration · Houston
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
132
11-50
74
51-200
24
201-500
8
501-1,000
1
1,001-5,000
13
10001+
1

Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 253 companies.

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.
What qualifies
Company records associated with the United States whose business descriptions match “grid interconnection 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. Where headquarters information is recorded, preview rows are also filtered to this page’s location. 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 2,325 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.

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

How many grid interconnection consultants are there based in the United States?

RevenueBase identified 253 company matches for grid interconnection consultants associated with the United States 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?

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

Which city has the most grid interconnection consultants?

Houston leads with 9 company records, followed by New York (9) and Los Angeles (7).

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 2,325 professional contacts with verified work emails tracked across these 253 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.