Company lists · Data refreshed October 2026
Top 25 Insulators and bushing manufacturers based in the United States
RevenueBase identified 72 company matches for insulators and bushing manufacturers associated with the United States as of October 2026 and tracks 2,965 professional contacts across them, including 1,173 with verified work emails. Houston is the largest hub.
This list covers company matches for insulators and bushing manufacturers 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 October 16, 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.
The 25 largest insulators and bushing manufacturers based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 1,114 contacts → | ||||
Exact match “Hubbell Power Systems (HPS) designs and manufactures a wide variety of electric power transmission, distribution, substation, underground, OEM, and communications products used by…” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase | |||||
| 2 | 937 contacts → | ||||
Exact match “MacLean Power Systems (MPS), headquartered in Fort Mill, SC, is LEADING THE WAY™ in delivering innovative, reliable, and resilient solutions for the electric utility…” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase | |||||
| 3 | 125 contacts → | ||||
Exact match “Malloy has established itself as a cornerstone in the electrical and power transmission industry through its consistent growth, adaptability, and commitment to quality and…” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase | |||||
| 4 | 77 contacts → | ||||
Exact match “Hughes Brothers stands for quality in American Manufacturing.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase | |||||
| 5 | 48 contacts → | ||||
Exact match “Southern Electrical Equipment Company (SEECO) is an ISO9001:2015 certified manufacturer of transmission and substation sectionalizing products for the electrical utility industry.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase | |||||
| 6 | 40 contacts → | ||||
Exact match “Meramec Instrument Transformer Company is the preeminent manufacturer of bushing current transformers for the high-voltage circuit breaker and large power transformer markets.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase | |||||
| 7 | 35 contacts → | ||||
Exact match “Gerome Technologies Inc.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase | |||||
| 8 | 30 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase | |||||
| 9 | 24 contacts → | ||||
Exact match “Vanguard Electric LLC: A Southern States Company is a company based out of Morrow, Georgia, United States.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase | |||||
| 10 | 23 contacts → | ||||
Exact match “MARS Transformers, LLC is a veteran owned and operated company providing innovative high voltage service and equipment solutions to the energy industry worldwide.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase | |||||
| 11 | 23 contacts → | ||||
Exact match “POWERLINE HARDWARE (PLH) is a world-class global provider of high quality Distribution & Telecom Hardware, Insulators, Cutout Switches, Anchoring and Grounding Products.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase | |||||
| 12 | 20 contacts → | ||||
Exact match “NGK-LOCKE, based in Virginia Beach, USA, manufactures and sells polymer and porcelain insulators.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase | |||||
| 13 | 20 contacts → | ||||
Exact match “Equisales provides domestic and international utilities, power plants and industrial customers with time-critical high voltage transformers and substation equipment while…” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase | |||||
| 14 | 18 contacts → | ||||
Exact match “American Midwest Power and Manufacturing (AMPMFG) is a premier manufacturer of standard and custom electrical distribution equipment products.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase | |||||
| 15 | 16 contacts → | ||||
Exact match “EMID is a leading supplier of high-quality insulation materials and repair products to the electric power industry.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase | |||||
| 16 | 12 contacts → | ||||
Exact match “PEI has produced and distributed quality electrical insulating materials for both the OEM and repair markets.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase | |||||
| 17 | 12 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase | |||||
| 18 | 10 contacts → | ||||
Exact match “Victor manufactures the widest product line of any North American insulator manufacturer.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase | |||||
| 19 | 9 contacts → | ||||
Exact match “High value, low cost, quality products for your distribution, transmission and substation materials.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase | |||||
| 20 | 9 contacts → | ||||
Exact match “Stranco Products is the Midwest's largest stocking distributor of electrical insulation including heat shrinkable tubing, extruded tubing, coated and uncoated fiberglass sleeving…” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase | |||||
| 21 | 9 contacts → | ||||
Exact match “MICAPLY stands out as a leading manufacturer in the field of Engineered Electrical Insulation products and Winding Wires, offering materials that exhibit exceptional thermal…” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase | |||||
| 22 | 8 contacts → | ||||
Exact match “Contains a wealth of info on Varflex electrical insulating sleeving and PVC tubing that are UL recognized, CSA certified and meet military specs, including flame resistance.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase | |||||
| 23 | 7 contacts → | ||||
Exact match “PCORE provides capacitance-graded bushings (POC®, PRC®, GSU and Quick-Link), test terminals and bushing repair for the electric utility industry and its equipment suppliers.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase | |||||
| 24 | 7 contacts → | ||||
Exact match “M.D.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase | |||||
| 25 | 6 contacts → | ||||
Exact match “We are a value added distributor of electrical insulation products.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “insulators and bushing manufacturers”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 72 insulators and bushing manufacturers based in the United States
See the full list, filter by size, metro and specialty, and access 1,173 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Insulators and bushing manufacturers based in the United States at a glance
As of Oct 16, 2026Companies by employee count
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 72 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 “insulators and bushing manufacturers” 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 1,173 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 October 16, 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 “insulators and bushing manufacturers”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many insulators and bushing manufacturers are there based in the United States?
RevenueBase identified 72 company matches for insulators and bushing manufacturers associated with the United States as of October 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?
Hubbell Power Systems tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most insulators and bushing manufacturers?
Houston leads with 2 company records, followed by Jacksonville (2) and Le Roy (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 1,173 professional contacts with verified work emails tracked across these 72 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 October 16, 2026.
Ready to reach these companies? Verified emails and direct dials for all 72 insulators and bushing manufacturers based in the United States. Start with a free account, no credit card.
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Insulators and bushing manufacturers by geography
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.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Insulators and bushing manufacturers based in Brazil
- Insulators and bushing manufacturers based in India
- Insulators and bushing manufacturers based in Italy
- Insulators and bushing manufacturers based in Türkiye
- AI companies based in the United States
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Company intelligence · public preview
Top 25 insulators and bushing manufacturers based in the United States
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 72 matching company records for insulators and bushing manufacturers based in the United States, with 2,965 tracked contacts and 1,173 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 16, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 insulators and bushing manufacturers based in the United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Hubbell Power Systemshubbellpowersystems.comHQ: Columbia, SC, United StatesReported employees: 1,001-5,000 | Columbia, SC, United States | 1,001-5,000 | Exact match | 1,114 contacts → |
“Hubbell Power Systems (HPS) designs and manufactures a wide variety of electric power transmission, distribution, substation, underground, OEM, and communications products used by…” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Maclean Power Systemsmacleanpower.comHQ: Fort Mill, SC, United StatesReported employees: 1,001-5,000 | Fort Mill, SC, United States | 1,001-5,000 | Exact match | 937 contacts → |
“MacLean Power Systems (MPS), headquartered in Fort Mill, SC, is LEADING THE WAY™ in delivering innovative, reliable, and resilient solutions for the electric utility…” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Malloy Electricmalloyelectric.com HQ: Sioux Falls, SD, United StatesReported employees: 201-500 | Sioux Falls, SD, United States | 201-500 | Exact match | 125 contacts → |
“Malloy has established itself as a cornerstone in the electrical and power transmission industry through its consistent growth, adaptability, and commitment to quality and…” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Hughes Brothershughesbros.com HQ: Seward, NE, United StatesReported employees: 201-500 | Seward, NE, United States | 201-500 | Exact match | 77 contacts → |
“Hughes Brothers stands for quality in American Manufacturing.” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | SEECOseecoswitch.com HQ: Charlotte, NC, United StatesReported employees: 51-200 | Charlotte, NC, United States | 51-200 | Exact match | 48 contacts → |
“Southern Electrical Equipment Company (SEECO) is an ISO9001:2015 certified manufacturer of transmission and substation sectionalizing products for the electrical utility industry.” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Meramec Instrument Transformer COmeramecusa.com HQ: Cuba, MO, United StatesReported employees: 51-200 | Cuba, MO, United States | 51-200 | Exact match | 40 contacts → |
“Meramec Instrument Transformer Company is the preeminent manufacturer of bushing current transformers for the high-voltage circuit breaker and large power transformer markets.” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Gerome Technologiesgerometech.com HQ: Menands, NY, United StatesReported employees: 51-200 | Menands, NY, United States | 51-200 | Exact match | 35 contacts → |
“Gerome Technologies Inc.” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Electrolock, INCelectrolock.com HQ: Hiram, OH, United StatesReported employees: 11-50 | Hiram, OH, United States | 11-50 | Exact match | 30 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 9 | Vanguard Electric LLCvanguardelec.com HQ: Morrow, GA, United StatesReported employees: 11-50 | Morrow, GA, United States | 11-50 | Exact match | 24 contacts → |
“Vanguard Electric LLC: A Southern States Company is a company based out of Morrow, Georgia, United States.” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Mars Transformers, LLCmarstransformers.com HQ: Pearland, TX, United StatesReported employees: 11-50 | Pearland, TX, United States | 11-50 | Exact match | 23 contacts → |
“MARS Transformers, LLC is a veteran owned and operated company providing innovative high voltage service and equipment solutions to the energy industry worldwide.” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Powerline Hardwarepowerlinehardware.com HQ: Jacksonville, FL, United StatesReported employees: 51-200 | Jacksonville, FL, United States | 51-200 | Exact match | 23 contacts → |
“POWERLINE HARDWARE (PLH) is a world-class global provider of high quality Distribution & Telecom Hardware, Insulators, Cutout Switches, Anchoring and Grounding Products.” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Ngk-Locke, INCngk-locke.com HQ: Virginia Beach, VA, United StatesReported employees: 51-200 | Virginia Beach, VA, United States | 51-200 | Exact match | 20 contacts → |
“NGK-LOCKE, based in Virginia Beach, USA, manufactures and sells polymer and porcelain insulators.” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Equisales Associatesequisales.comHQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 20 contacts → |
“Equisales provides domestic and international utilities, power plants and industrial customers with time-critical high voltage transformers and substation equipment while…” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | HQ: Minneapolis, MN, United StatesReported employees: 51-200 | Minneapolis, MN, United States | 51-200 | Exact match | 18 contacts → |
“American Midwest Power and Manufacturing (AMPMFG) is a premier manufacturer of standard and custom electrical distribution equipment products.” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Emid, LLCemid-llc.com HQ: Miami, FL, United StatesReported employees: 11-50 | Miami, FL, United States | 11-50 | Exact match | 16 contacts → |
“EMID is a leading supplier of high-quality insulation materials and repair products to the electric power industry.” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Pittsburgh Electrical Insulation PEIpeipittsburgh.com HQ: Munhall, PA, United StatesReported employees: 11-50 | Munhall, PA, United States | 11-50 | Exact match | 12 contacts → |
“PEI has produced and distributed quality electrical insulating materials for both the OEM and repair markets.” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Resin Systems Corporationresinsystems.com HQ: Amherst, NH, United StatesReported employees: 1-10 | Amherst, NH, United States | 1-10 | Exact match | 12 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 18 | Victor Insulators INCvictorinsulators.com HQ: Victor, NY, United StatesReported employees: 51-200 | Victor, NY, United States | 51-200 | Exact match | 10 contacts → |
“Victor manufactures the widest product line of any North American insulator manufacturer.” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Paresources, INCelectricalsubstations.com HQ: Wauwatosa, WI, United StatesReported employees: 1-10 | Wauwatosa, WI, United States | 1-10 | Exact match | 9 contacts → |
“High value, low cost, quality products for your distribution, transmission and substation materials.” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Stranco Productsstrancoproducts.com HQ: Bolingbrook, IL, United StatesReported employees: 11-50 | Bolingbrook, IL, United States | 11-50 | Exact match | 9 contacts → |
“Stranco Products is the Midwest's largest stocking distributor of electrical insulation including heat shrinkable tubing, extruded tubing, coated and uncoated fiberglass sleeving…” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Micaplymicaply.com HQ: Springfeild, NJ, United StatesReported employees: 51-200 | Springfeild, NJ, United States | 51-200 | Exact match | 9 contacts → |
“MICAPLY stands out as a leading manufacturer in the field of Engineered Electrical Insulation products and Winding Wires, offering materials that exhibit exceptional thermal…” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Varflex Corpvarflex.com HQ: Rome, NY, United StatesReported employees: 11-50 | Rome, NY, United States | 11-50 | Exact match | 8 contacts → |
“Contains a wealth of info on Varflex electrical insulating sleeving and PVC tubing that are UL recognized, CSA certified and meet military specs, including flame resistance.” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Pcore Electricpcoreelectric.com HQ: Le Roy, NY, United StatesReported employees: 1-10 | Le Roy, NY, United States | 1-10 | Exact match | 7 contacts → |
“PCORE provides capacitance-graded bushings (POC®, PRC®, GSU and Quick-Link), test terminals and bushing repair for the electric utility industry and its equipment suppliers.” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | M.D. Henry Companymdhenryco.com HQ: Pelham, AL, United StatesReported employees: 51-200 | Pelham, AL, United States | 51-200 | Exact match | 7 contacts → |
“M.D.” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Electro Insulation Corporationelectroinsulation.com HQ: Arlington Heights, IL, United StatesReported employees: 1-10 | Arlington Heights, IL, United States | 1-10 | Exact match | 6 contacts → |
“We are a value added distributor of electrical insulation products.” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 72 company matches
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Insulators and bushing manufacturers: dataset insights
October 16, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
72 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 72 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: October 16, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for insulators and bushing manufacturers?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many insulators and bushing manufacturers did RevenueBase find based in the United States?
The saved snapshot records 72 matching company records, 2,965 tracked contacts and 1,173 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: October 16, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Insulators and bushing manufacturers by geography
Cite this list
RevenueBase Data Team. Top 25 insulators and bushing manufacturers based in the United States. Snapshot: October 16, 2026. https://revenuebase.ai/companies/insulators-and-bushing-manufacturers/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Insulators and bushing manufacturers based in Brazil
- Insulators and bushing manufacturers based in India
- Insulators and bushing manufacturers based in Italy
- Insulators and bushing manufacturers based in Türkiye
- AI companies based in the United States
- Cybersecurity companies based in the United States
Company intelligence · public preview
Top 25 insulators and bushing manufacturers based in the United States
RevenueBase records 72 matching company records for insulators and bushing manufacturers based in the United States, with 2,965 tracked contacts and 1,173 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 16, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 insulators and bushing manufacturers based in the United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Hubbell Power Systemshubbellpowersystems.com HQ: Columbia, SC, United StatesReported employees: 1,001-5,000 | Columbia, SC, United States | 1,001-5,000 | Exact match | 1,114 contacts → |
“Hubbell Power Systems (HPS) designs and manufactures a wide variety of electric power transmission, distribution, substation, underground, OEM, and communications products used by…” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Maclean Power Systemsmacleanpower.com HQ: Fort Mill, SC, United StatesReported employees: 1,001-5,000 | Fort Mill, SC, United States | 1,001-5,000 | Exact match | 937 contacts → |
“MacLean Power Systems (MPS), headquartered in Fort Mill, SC, is LEADING THE WAY™ in delivering innovative, reliable, and resilient solutions for the electric utility…” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Malloy Electricmalloyelectric.com HQ: Sioux Falls, SD, United StatesReported employees: 201-500 | Sioux Falls, SD, United States | 201-500 | Exact match | 125 contacts → |
“Malloy has established itself as a cornerstone in the electrical and power transmission industry through its consistent growth, adaptability, and commitment to quality and…” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Hughes Brothershughesbros.com HQ: Seward, NE, United StatesReported employees: 201-500 | Seward, NE, United States | 201-500 | Exact match | 77 contacts → |
“Hughes Brothers stands for quality in American Manufacturing.” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | SEECOseecoswitch.com HQ: Charlotte, NC, United StatesReported employees: 51-200 | Charlotte, NC, United States | 51-200 | Exact match | 48 contacts → |
“Southern Electrical Equipment Company (SEECO) is an ISO9001:2015 certified manufacturer of transmission and substation sectionalizing products for the electrical utility industry.” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Meramec Instrument Transformer COmeramecusa.com HQ: Cuba, MO, United StatesReported employees: 51-200 | Cuba, MO, United States | 51-200 | Exact match | 40 contacts → |
“Meramec Instrument Transformer Company is the preeminent manufacturer of bushing current transformers for the high-voltage circuit breaker and large power transformer markets.” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Gerome Technologiesgerometech.com HQ: Menands, NY, United StatesReported employees: 51-200 | Menands, NY, United States | 51-200 | Exact match | 35 contacts → |
“Gerome Technologies Inc.” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Electrolock, INCelectrolock.com HQ: Hiram, OH, United StatesReported employees: 11-50 | Hiram, OH, United States | 11-50 | Exact match | 30 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 9 | Vanguard Electric LLCvanguardelec.com HQ: Morrow, GA, United StatesReported employees: 11-50 | Morrow, GA, United States | 11-50 | Exact match | 24 contacts → |
“Vanguard Electric LLC: A Southern States Company is a company based out of Morrow, Georgia, United States.” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Mars Transformers, LLCmarstransformers.com HQ: Pearland, TX, United StatesReported employees: 11-50 | Pearland, TX, United States | 11-50 | Exact match | 23 contacts → |
“MARS Transformers, LLC is a veteran owned and operated company providing innovative high voltage service and equipment solutions to the energy industry worldwide.” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Powerline Hardwarepowerlinehardware.com HQ: Jacksonville, FL, United StatesReported employees: 51-200 | Jacksonville, FL, United States | 51-200 | Exact match | 23 contacts → |
“POWERLINE HARDWARE (PLH) is a world-class global provider of high quality Distribution & Telecom Hardware, Insulators, Cutout Switches, Anchoring and Grounding Products.” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Ngk-Locke, INCngk-locke.com HQ: Virginia Beach, VA, United StatesReported employees: 51-200 | Virginia Beach, VA, United States | 51-200 | Exact match | 20 contacts → |
“NGK-LOCKE, based in Virginia Beach, USA, manufactures and sells polymer and porcelain insulators.” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Equisales Associatesequisales.com HQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 20 contacts → |
“Equisales provides domestic and international utilities, power plants and industrial customers with time-critical high voltage transformers and substation equipment while…” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | HQ: Minneapolis, MN, United StatesReported employees: 51-200 | Minneapolis, MN, United States | 51-200 | Exact match | 18 contacts → |
“American Midwest Power and Manufacturing (AMPMFG) is a premier manufacturer of standard and custom electrical distribution equipment products.” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Emid, LLCemid-llc.com HQ: Miami, FL, United StatesReported employees: 11-50 | Miami, FL, United States | 11-50 | Exact match | 16 contacts → |
“EMID is a leading supplier of high-quality insulation materials and repair products to the electric power industry.” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Pittsburgh Electrical Insulation PEIpeipittsburgh.com HQ: Munhall, PA, United StatesReported employees: 11-50 | Munhall, PA, United States | 11-50 | Exact match | 12 contacts → |
“PEI has produced and distributed quality electrical insulating materials for both the OEM and repair markets.” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Resin Systems Corporationresinsystems.com HQ: Amherst, NH, United StatesReported employees: 1-10 | Amherst, NH, United States | 1-10 | Exact match | 12 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 18 | Victor Insulators INCvictorinsulators.com HQ: Victor, NY, United StatesReported employees: 51-200 | Victor, NY, United States | 51-200 | Exact match | 10 contacts → |
“Victor manufactures the widest product line of any North American insulator manufacturer.” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Paresources, INCelectricalsubstations.com HQ: Wauwatosa, WI, United StatesReported employees: 1-10 | Wauwatosa, WI, United States | 1-10 | Exact match | 9 contacts → |
“High value, low cost, quality products for your distribution, transmission and substation materials.” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Stranco Productsstrancoproducts.com HQ: Bolingbrook, IL, United StatesReported employees: 11-50 | Bolingbrook, IL, United States | 11-50 | Exact match | 9 contacts → |
“Stranco Products is the Midwest's largest stocking distributor of electrical insulation including heat shrinkable tubing, extruded tubing, coated and uncoated fiberglass sleeving…” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Micaplymicaply.com HQ: Springfeild, NJ, United StatesReported employees: 51-200 | Springfeild, NJ, United States | 51-200 | Exact match | 9 contacts → |
“MICAPLY stands out as a leading manufacturer in the field of Engineered Electrical Insulation products and Winding Wires, offering materials that exhibit exceptional thermal…” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Varflex Corpvarflex.com HQ: Rome, NY, United StatesReported employees: 11-50 | Rome, NY, United States | 11-50 | Exact match | 8 contacts → |
“Contains a wealth of info on Varflex electrical insulating sleeving and PVC tubing that are UL recognized, CSA certified and meet military specs, including flame resistance.” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Pcore Electricpcoreelectric.com HQ: Le Roy, NY, United StatesReported employees: 1-10 | Le Roy, NY, United States | 1-10 | Exact match | 7 contacts → |
“PCORE provides capacitance-graded bushings (POC®, PRC®, GSU and Quick-Link), test terminals and bushing repair for the electric utility industry and its equipment suppliers.” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | M.D. Henry Companymdhenryco.com HQ: Pelham, AL, United StatesReported employees: 51-200 | Pelham, AL, United States | 51-200 | Exact match | 7 contacts → |
“M.D.” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Electro Insulation Corporationelectroinsulation.com HQ: Arlington Heights, IL, United StatesReported employees: 1-10 | Arlington Heights, IL, United States | 1-10 | Exact match | 6 contacts → |
“We are a value added distributor of electrical insulation products.” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 72 company matches
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Insulators and bushing manufacturers: dataset insights
October 16, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
72 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 72 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: October 16, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for insulators and bushing manufacturers?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many insulators and bushing manufacturers did RevenueBase find based in the United States?
The saved snapshot records 72 matching company records, 2,965 tracked contacts and 1,173 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: October 16, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Insulators and bushing manufacturers by geography
Cite this list
RevenueBase Data Team. Top 25 insulators and bushing manufacturers based in the United States. Snapshot: October 16, 2026. https://revenuebase.ai/companies/insulators-and-bushing-manufacturers/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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