Company lists · Data refreshed September 2026

Top 25 Grid stability solution providers based in the United States

RevenueBase identified 80 grid stability solution providers headquartered in the United States as of September 2026 and tracks 6,344 professional contacts across them, including 2,644 with verified work emails. Houston is the largest hub.

This list covers grid stability solution providers headquartered in the United States, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 20, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 20, 2026 86% judged on-target in blind review
80Companies
6,344Contacts tracked
2,644Verified emails
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The 25 largest grid stability solution providers based in the United States

Ranked by team size
Top 25 of 80 grid stability solution providers based in the United States, ranked by team size, largest first. Data refreshed Sep 20, 2026. RevenueBase Smart Search rates how each company's information relates to grid stability solution providers: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Partial evidenceChicago, IL, United StatesHQ checked Sep 20, 20261,001-5,0002,465 contacts →

Partial evidence

“S&C is empowering people to transform the grid.”

Source: RevenueBase Database · checked Sep 20, 2026
2Strong evidenceFairport, NY, United StatesHQ checked Sep 20, 2026501-1,000494 contacts →

Strong evidence

“Qualitrol is a global leader in electrical grid monitoring solutions for businesses that manage, operate, or support the power grid.”

Source: RevenueBase Database · checked Sep 20, 2026
3Partial evidenceAyer, MA, United StatesHQ checked Sep 20, 2026201-500334 contacts →

Partial evidence

“AMSC (NASDAQ: AMSC) generates the ideas, technologies and solutions that meet the world’s demand for smarter, cleaner … better energy.”

Source: RevenueBase Database · checked Sep 20, 2026
4Partial evidenceBaltimore, MD, United StatesHQ checked Sep 20, 202651-200215 contacts →

Partial evidence

“CPower Energy, an NRG company, is a leading virtual power plant platform, monetizing the value of customer-sited energy to intelligently strengthen the grid.”

Source: RevenueBase Database · checked Sep 20, 2026
5Partial evidenceLenexa, KS, United StatesHQ checked Sep 20, 202651-200153 contacts →

Partial evidence

“NovaTech Automation produces the easiest to use and best supported automation products and solutions for electric utilities.”

Source: RevenueBase Database · checked Sep 20, 2026
6Partial evidenceSan Francisco, CA, United StatesHQ checked Sep 20, 202651-200139 contacts →

Partial evidence

“Gridware is a technology company focused on protecting and enhancing the electrical grid.”

Source: RevenueBase Database · checked Sep 20, 2026
7Indirect evidencePittsburgh, PA, United StatesHQ checked Sep 20, 20261,001-5,000137 contacts →

Indirect evidence

“HICO America is the North American headquarters for the HICO family of companies, delivering the infrastructure behind today's most ambitious energy projects.”

Source: RevenueBase Database · checked Sep 20, 2026
8Partial evidenceDurham, NC, United StatesHQ checked Sep 20, 202651-200105 contacts →

Partial evidence

“Smart Wires is the world’s leading grid enhancing technology and services provider.”

Source: RevenueBase Database · checked Sep 20, 2026
9Partial evidenceBoston, MA, United StatesHQ checked Sep 20, 202651-20089 contacts →

Partial evidence

“LineVision is a grid-enhancing technology company enabling electric utilities to deliver affordable, reliable power and accelerate the electrification of the global economy.”

Source: RevenueBase Database · checked Sep 20, 2026
10Partial evidenceClifton Park, NY, United StatesHQ checked Sep 20, 202651-20071 contacts →

Partial evidence

“PowerGEM provides advanced power grid and energy market simulation software and services.”

Source: RevenueBase Database · checked Sep 20, 2026
11Partial evidenceSan Jose, CA, United StatesHQ checked Sep 20, 202651-20068 contacts →

Partial evidence

“Networked Energy Services Corporation is a global smart energy leader in the worldwide transformation of the electricity grid into an energy control network, enabling utilities to…”

Source: RevenueBase Database · checked Sep 20, 2026
12Strong evidenceCanonsburg, PA, United StatesHQ checked Sep 20, 202651-20065 contacts →

Strong evidence

“BPL Global® (BPLG) provides electric utilities with a suite of smart grid solutions for advanced distribution automation from substations through customer premises.”

Source: RevenueBase Database · checked Sep 20, 2026
13Indirect evidenceAzusa, CA, United StatesHQ checked Sep 20, 2026201-50061 contacts →

Indirect evidence

“Lindsey Systems is recognized globally as an innovator in the electric power industry.”

Source: RevenueBase Database · checked Sep 20, 2026
14Partial evidencePasadena, CA, United StatesHQ checked Sep 20, 202651-20044 contacts →

Partial evidence

“Electric Power Group (EPG) is a pioneer in the area of synchrophasor technology based software solutions.”

Source: RevenueBase Database · checked Sep 20, 2026
15Strong evidenceRichmond, VA, United StatesHQ checked Sep 20, 202611-5042 contacts →

Strong evidence

“DVI, a subsidiary of Dominion Energy, is a leading provider of grid analytics and control technology, providing solutions for energy efficiency, demand response, volt/VAR control…”

Source: RevenueBase Database · checked Sep 20, 2026
16Indirect evidenceAshburn, VA, United StatesHQ checked Sep 20, 202651-20039 contacts →

Indirect evidence

“Janitza is a global leader in energy measurement technology, power quality monitoring, energy consumption analysis, providing the timely and reliable data you need to power the AI…”

Source: RevenueBase Database · checked Sep 20, 2026
17Partial evidenceNew York City, NY, United StatesHQ checked Sep 20, 202611-5029 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 20, 2026
18Indirect evidenceNovato, CA, United StatesHQ checked Sep 20, 202611-5026 contacts →

Indirect evidence

“Energy distribution is teetering on the edge of unreliability.”

Source: RevenueBase Database · checked Sep 20, 2026
19Partial evidenceSan Francisco, CA, United StatesHQ checked Sep 20, 202611-5026 contacts →

Partial evidence

“Camus builds software for grid orchestration, helping utilities coordinate large loads, renewable generation, and grid infrastructure in real time, within real network…”

Source: RevenueBase Database · checked Sep 20, 2026
20Partial evidenceHouston, TX, United StatesHQ checked Sep 20, 202611-5025 contacts →

Partial evidence

“Welcome to Zero-Emission Grid, LLC (ZEG)- Where Expertise Meets Ambition.”

Source: RevenueBase Database · checked Sep 20, 2026
21Indirect evidenceMiami, FL, United StatesHQ checked Sep 20, 202611-5021 contacts →

Indirect evidence

“Celebrating 20 years, Force 5, Inc.”

Source: RevenueBase Database · checked Sep 20, 2026
22Partial evidenceHI, United StatesHQ checked Sep 20, 202611-5020 contacts →

Partial evidence

“MKI provides technical support and sales of equipment for the electric power grid in construction projects involving generating, transmitting, protecting, and automating energy…”

Source: RevenueBase Database · checked Sep 20, 2026
23Indirect evidenceSomerville, MA, United StatesHQ checked Sep 20, 20261-1017 contacts →

Indirect evidence

“NewGrid is a software firm in the electric power industry.”

Source: RevenueBase Database · checked Sep 20, 2026
24Partial evidenceNewport Beach, CA, United StatesHQ checked Sep 20, 20261-1016 contacts →

Partial evidence

“At EIRIS, we empower the future of energy resilience through innovative software solutions.”

Source: RevenueBase Database · checked Sep 20, 2026
25Indirect evidenceBirmingham, AL, United StatesHQ checked Sep 20, 202611-5015 contacts →

Indirect evidence

“Vulcan Line Tools offers hardware, software, and services to a range of customers in the electric utility and telecommunication industries.”

Source: RevenueBase Database · checked Sep 20, 2026

Showing 25 of 80 grid stability solution providers based in the United States

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Grid stability solution providers based in the United States at a glance

As of Sep 20, 2026
41.7%Verified-email coverage
79.3Average contacts per company
11-50Median size (employees)
5.0%Largest-city concentration · Houston
Sep 20, 2026Page data refreshed

Companies by employee count

1-10
23
11-50
33
51-200
16
201-500
3
501-1,000
2
1,001-5,000
3

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 80 companies.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among grid stability solution providers, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies
Companies headquartered in the United States whose own description of what they do matches “grid stability solution providers”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search
RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names grid stability solution providers), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude
Companies whose own description does not clearly place them among grid stability solution providers, and records with no verified work email. Companies headquartered outside United States are excluded even when they keep an office there.
Match quality
In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 2,644 across the full list. 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.
Corrections
Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names grid stability solution providers, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many grid stability solution providers are there based in the United States?

RevenueBase identified 80 grid stability solution providers headquartered in the United States as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

S&c Electric Company, headquartered in Chicago, tops this list with the largest team on record.

Which city has the most grid stability solution providers?

Houston leads with 4 headquartered companies, followed by San Francisco (4) and Chicago (2).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 2,644 verified decision-maker contacts tracked across these 80 companies.

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 Smart Search, 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.