Company lists · Data refreshed November 2026

Top 12 Utility interconnection service providers based in the United States

RevenueBase identified 27 company matches for utility interconnection service providers associated with the United States as of November 2026 and tracks 306 professional contacts across them, including 154 with verified work emails. Boston is the largest hub.

This list covers company matches for utility interconnection service providers 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
27Companies
306Contacts tracked
154Verified emails
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The 12 largest utility interconnection service providers based in the United States

Ranked by team size
Top 12 of 27 company matches for utility interconnection service providers 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 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
2Exact matchBirmingham, AL, United StatesHQ recorded Nov 6, 2026201-50070 contacts →

Exact match

“Gridco is an employee-focused utility infrastructure company specializing in power distribution, transmission, substation, and engineering services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchSan Diego, CA, United StatesHQ recorded Nov 6, 202611-5034 contacts →

Exact match

“Established in 1976, Utility Specialists provides natural gas, electric, telephone and cable television system design and extension negotiation services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchPittsburgh, PA, United StatesHQ recorded Nov 6, 202611-5023 contacts →

Exact match

“Pearl Street Technologies, a Part of Enverus, is an interconnection solutions company based in Pittsburgh, Pennsylvania.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchOntario, CA, United StatesHQ recorded Nov 6, 202651-20017 contacts →

Exact match

“Founded in 2008 Power Grade has become a leading provider of Utility scale infrastructure solutions.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchLewisville, TX, United StatesHQ recorded Nov 6, 202611-5012 contacts →

Exact match

“Empowering the Future of Energy with AI-Driven Insights & Technical Expertise At GridAxon, we specialize in providing advanced analytics, grid modeling, and interconnection…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchCanton, MA, United StatesHQ recorded Nov 6, 20261-108 contacts →

Exact match

“LIG Consultants was formed to provide superior energy consulting, project management and engineering services to private and public parties.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchFresno, CA, United StatesHQ recorded Nov 6, 20261-103 contacts →

Exact match

“MISSION: To streamline all distribution and transmission grid tie interconnections by providing a suite, all in one offering that accelerates project schedules for Utilities…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchLong Island, NY, United StatesHQ recorded Nov 6, 202611-503 contacts →

Exact match

“At Watt Consultants, our mission is to serve as a catalyst for expanding and modernizing the US transmission and distribution grid to ensure a robust, reliable, and resilient…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchGlenpool, OK, United StatesHQ recorded Nov 6, 202611-502 contacts →

Exact match

“We are working to build and maintain a modernized electrical grid that delivers power safely and reliably, and integrates renewable energy resources, with the maximum possible…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchLiberty Hill, TX, United StatesHQ recorded Nov 6, 20261-101 contacts →

Exact match

“ArcLight Utility Group,LLC Constructs and Manages the Entire Ditch for the Residential Developers and Commercial Business Owners in the Dry Utility process of the project.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchBrooklyn, NY, United StatesHQ recorded Nov 6, 20261-101 contacts →

Exact match

“Gigaflow’s software shortens interconnection timelines for distributed solar, storage and EV charging projects.”

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

Showing 12 of 27 utility interconnection service providers based in the United States

See the full list, filter by size, metro and specialty, and access 154 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Utility interconnection service providers based in the United States at a glance

As of Nov 6, 2026
50.3%Verified-email coverage
11.3Average contacts per company
11-50Median size (employees)
7.4%Largest-city concentration · Boston
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
13
11-50
11
51-200
2
201-500
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 27 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 “utility interconnection service providers” 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 154 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 “utility interconnection service providers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many utility interconnection service providers are there based in the United States?

RevenueBase identified 27 company matches for utility interconnection service providers 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?

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

Which city has the most utility interconnection service providers?

Boston leads with 2 company records, followed by Allentown (1) and Austin (1).

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 154 professional contacts with verified work emails tracked across these 27 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.