Company lists · Data refreshed November 2026

Top 25 Islanding microgrid operators based in the United States

RevenueBase identified 65 company matches for islanding microgrid operators associated with the United States as of November 2026 and tracks 963 professional contacts across them, including 405 with verified work emails. Houston is the largest hub.

This list covers company matches for islanding microgrid operators 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
65Companies
963Contacts tracked
405Verified emails
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The 25 largest islanding microgrid operators based in the United States

Ranked by team size
Top 25 of 65 company matches for islanding microgrid operators 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 matchCumming, GA, United StatesHQ recorded Nov 6, 202651-200199 contacts →

Exact match

“RavenVolt Inc, An ABM Company provides turn-key microgrid solutions.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchTampa, FL, United StatesHQ recorded Nov 6, 202651-200101 contacts →

Exact match

“Calibrant is a leading provider of on-site energy solutions for large power users.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchRaleigh, NC, United StatesHQ recorded Nov 6, 202651-20085 contacts →

Exact match

“Using our unique experience in building state-of-the-art, decentralized energy and microgrid systems, we’re shaping the future of the connected electric grid infrastructure.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchLong Beach, United StatesHQ recorded Nov 6, 202611-5039 contacts →

Exact match

“Founded in 2023, Critical Loop was born out of a mission to fix the electric grid.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchFort Collins, CO, United StatesHQ recorded Nov 6, 202611-5039 contacts →

Exact match

“Encorp is a top-five-ranked global energy technology firm providing products and services for the distributed energy market.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchWashington, DC, United StatesHQ recorded Nov 6, 202611-5032 contacts →

Exact match

“trucurrent designs, develops, and deploys intelligent, distributed energy assets to the grid edge.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchSomerville, MA, United StatesHQ recorded Nov 6, 202651-20028 contacts →

Exact match

“AlphaStruxure is a leading Energy as a Service provider and the industry’s top-ranked microgrid integrator.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchEugene, OR, United StatesHQ recorded Nov 6, 202611-5026 contacts →

Exact match

“Green Energy Corp is a leader and pioneer in design and software engineering services for distributed energy generation, load management, and innovative microgrid controller…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchNew Braunfels, TX, United StatesHQ recorded Nov 6, 202651-20021 contacts →

Exact match

“Spear Commercial & Industrial is an integrated energy and electrical solutions provider serving commercial and industrial customers nationwide.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchMountlake Terrace, WA, United StatesHQ recorded Nov 6, 20261-1017 contacts →

Exact match

“We are committed to creating reliable, scalable, and easy to use products for our customers.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchHillsborough, United StatesHQ recorded Nov 6, 20261-1017 contacts →

Exact match

“Ovanova builds battery-powered, grid-forming energy trailers that bring clean, quiet, and resilient electricity wherever it’s needed.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchNew York, NY, United StatesHQ recorded Nov 6, 202611-5016 contacts →

Exact match

“Enernet provides energy as a service to customers with no access to grid power or with poor quality grid connections worldwide.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchSan Juan Capistrano, CA, United StatesHQ recorded Nov 6, 202611-5013 contacts →

Exact match

“Founded in 2009, Regatta Solutions is a full-service energy solutions provider.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchCoraopolis, PA, United StatesHQ recorded Nov 6, 202611-509 contacts →

Exact match

“GridSwitch is a Managed Service provider.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchWestford, MA, United StatesHQ recorded Nov 6, 202611-509 contacts →

Exact match

“GridEdge Networks, located in Westford MA, develops and sells highly reliable and cost effective grid protection and monitoring systems to electric utilities and independent power…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchNew York, NY, United StatesHQ recorded Nov 6, 20261-108 contacts →

Exact match

“SolMicroGrid is a differentiated developer and operator of solar-enabled microgrid systems, offering energy resiliency and efficiency to commercial and industrial customers.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchEaston, MD, United StatesHQ recorded Nov 6, 20261-107 contacts →

Exact match

“American Microgrid Solutions powers mission-critical community operations with turnkey solutions that improve resiliency, security, savings and sustainability.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchHouston, TX, United StatesHQ recorded Nov 6, 202611-507 contacts →

Exact match

“ElectriGen is a leading provider of behind-the-meter/bridge-to-grid power as a service provider, delivering innovative and disruptive energy platforms for today’s most demanding…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchBarrington, RI, United StatesHQ recorded Nov 6, 20261-106 contacts →

Exact match

“Microgrids have evolved over the decades but until recently have been a niche and highly specialized solution for customers with very specific energy needs.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchAnaheim, CA, United StatesHQ recorded Nov 6, 20261-105 contacts →

Exact match

“Providing Tomorrow's Energy Solutions Today!”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchTrussville, AL, United StatesHQ recorded Nov 6, 202651-2004 contacts →

Exact match

“Applying power intelligently and economically for grid-connected, off-grid, island and hybrid systems.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchAlpharetta, GA, United StatesHQ recorded Nov 6, 202611-504 contacts →

Exact match

“RaVolt’s home microgrid provides clean, safe, reliable power for your whole house.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchSanta Clara, CA, United StatesHQ recorded Nov 6, 20261-104 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchDallas, TX, United StatesHQ recorded Nov 6, 202611-504 contacts →

Exact match

“Electrical midstream is an energy infrastructure company transforming the way power is sourced, and delivered.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchDover, TX, United StatesHQ recorded Nov 6, 20261-104 contacts →

Exact match

“Visionary Energy provides a novel non-wire alternative for modern electric distribution utilities.”

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

Showing 25 of 65 islanding microgrid operators based in the United States

See the full list, filter by size, metro and specialty, and access 405 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Islanding microgrid operators based in the United States at a glance

As of Nov 6, 2026
42.1%Verified-email coverage
14.8Average contacts per company
11-50Median size (employees)
7.7%Largest-city concentration · Houston
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
31
11-50
23
51-200
11

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 65 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 “islanding microgrid operators” 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 405 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 “islanding microgrid operators”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many islanding microgrid operators are there based in the United States?

RevenueBase identified 65 company matches for islanding microgrid operators 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?

Ravenvolt Inc, An ABM Company tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most islanding microgrid operators?

Houston leads with 5 company records, followed by Boulder (2) and Eugene (2).

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 405 professional contacts with verified work emails tracked across these 65 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.