Company lists · Data refreshed September 2026

Top 15 Flexible busbar manufacturers based in the United States

RevenueBase identified 33 flexible busbar manufacturers headquartered in the United States as of September 2026 and tracks 703 professional contacts across them, including 138 with verified work emails. Canonsburg is the largest hub.

This list covers flexible busbar manufacturers 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 30, 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 30, 2026 86% judged on-target in blind review
33Companies
703Contacts tracked
138Verified emails
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The 15 largest flexible busbar manufacturers based in the United States

Ranked by team size
Top 15 of 33 flexible busbar manufacturers based in the United States, ranked by team size, largest first. Data refreshed Sep 30, 2026. RevenueBase Smart Search rates how each company's information relates to flexible busbar manufacturers: 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
1Strong evidenceWinneconne, WI, United StatesHQ checked Sep 30, 2026201-500126 contacts →

Strong evidence

“At Switchgear Power Systems, we engineer and manufacture high quality, custom electrical power distribution equipment with speed, flexibility, and competitive pricing.”

Source: RevenueBase Database · checked Sep 30, 2026
2Partial evidenceAvon Lake, OH, United StatesHQ checked Sep 30, 202651-20045 contacts →

Partial evidence

“Watteredge is a leading manufacturer and designer of copper high current conduction equipment.”

Source: RevenueBase Database · checked Sep 30, 2026
3Indirect evidenceMedway, MA, United StatesHQ checked Sep 30, 2026501-1,00045 contacts →

Indirect evidence

“Regarded as the industry expert from 60 years of lessons learned and applied to bus system design and manufacturing for proactively address customer requirements, our product…”

Source: RevenueBase Database · checked Sep 30, 2026
4Partial evidenceMinneapolis, MN, United StatesHQ checked Sep 30, 202651-20018 contacts →

Partial evidence

“American Midwest Power and Manufacturing (AMPMFG) is a premier manufacturer of standard and custom electrical distribution equipment products.”

Source: RevenueBase Database · checked Sep 30, 2026
5Indirect evidenceMiddletown, OH, United StatesHQ checked Sep 30, 20261-109 contacts →

Indirect evidence

“Crown Electric is a direct successor to the old Westinghouse Iso Phase Bus division.”

Source: RevenueBase Database · checked Sep 30, 2026
6Indirect evidenceInkster, MI, United StatesHQ checked Sep 30, 202611-506 contacts →

Indirect evidence

“In 1956, Nu-Core engineers developed the basic elements of water-cooled, high-current secondary electrical systems, a technology that is now an industry standard for the efficient…”

Source: RevenueBase Database · checked Sep 30, 2026
7Indirect evidenceGreenville, SC, United StatesHQ checked Sep 30, 202611-505 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 30, 2026
8Indirect evidenceCleveland, OH, United StatesHQ checked Sep 30, 202611-505 contacts →

Indirect evidence

“Vortex Metals offers full service production and distribution of copper, copper coil, aluminum and buss bars.”

Source: RevenueBase Database · checked Sep 30, 2026
9Strong evidenceRichmond, IL, United StatesHQ checked Sep 30, 202611-505 contacts →

Strong evidence

“EMS Industrial & Service Company is an industry leading busbar manufacturer.”

Source: RevenueBase Database · checked Sep 30, 2026
10Indirect evidenceWest Chester, OH, United StatesHQ checked Sep 30, 20261-104 contacts →

Indirect evidence

“March Equipment is a specialized electrical company focused on providing the fast and quality services.”

Source: RevenueBase Database · checked Sep 30, 2026
11Partial evidenceHarrisburg, PA, United StatesHQ checked Sep 30, 202611-503 contacts →

Partial evidence

“At EHRT, we provide businesses of all sizes with the latest in copper busbar, aluminum busbar, and steel bar fabrication equipment.”

Source: RevenueBase Database · checked Sep 30, 2026
12Indirect evidenceEdmond, OK, United StatesHQ checked Sep 30, 20261-103 contacts →

Indirect evidence

“Harbor Energy Solutions is a provider of cable bus power distribution systems and fabricated electrical solutions for a wide range of industrial, utility, and commercial…”

Source: RevenueBase Database · checked Sep 30, 2026
13Indirect evidenceErie, PA, United StatesHQ checked Sep 30, 20261-102 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 30, 2026
14Indirect evidenceBay City, MI, United StatesHQ checked Sep 30, 202651-2001 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 30, 2026
15Indirect evidenceGrafton, OH, United StatesHQ checked Sep 30, 20261-101 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 30, 2026

Showing 15 of 33 flexible busbar manufacturers based in the United States

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Flexible busbar manufacturers based in the United States at a glance

As of Sep 30, 2026
19.6%Verified-email coverage
21.3Average contacts per company
11-50Median size (employees)
6.1%Largest-city concentration · Canonsburg
Sep 30, 2026Page data refreshed

Companies by employee count

1-10
14
11-50
9
51-200
4
201-500
4
501-1,000
1
1,001-5,000
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 33 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 flexible busbar manufacturers, 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 “flexible busbar manufacturers”. 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 flexible busbar manufacturers), 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 flexible busbar manufacturers, 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, 138 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 30, 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 flexible busbar manufacturers, 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 flexible busbar manufacturers are there based in the United States?

RevenueBase identified 33 flexible busbar manufacturers 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?

Switchgear Power Systems, headquartered in Winneconne, tops this list with the largest team on record.

Which city has the most flexible busbar manufacturers?

Canonsburg leads with 2 headquartered companies, followed by Richmond (2) and Avon Lake (1).

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 138 verified decision-maker contacts tracked across these 33 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 30, 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.