Busbar systems manufacturers
Busbar systems are made by a range of manufacturers from specialist busbar fabricators to large electrical-equipment OEMs; buyers should choose between custom/factory-made busbars, modular trunking systems, and laminated/flexible types depending on current rating, environment and installation method. When sourcing, verify that the supplier explicitly manufactures (not just distributes) the busbar type you need and can meet your required standards and quantities.
24 verified manufacturers
- MDF Cable Bus SystemsUSA
“Named as a recommended Busbar Systems supplier on ThomasNet's Busbar Systems Manufacturers and Suppliers page.”
- Johnson Bros. Roll Forming Co.USA
“Listed on ThomasNet's Busbar Systems Manufacturers and Suppliers page (snippet: Johnson Bros. Roll Forming Co.).”
- Storm Power ComponentsUSA
“Site describes itself as a "Custom bus bar manufacturer and supplier" and is listed on ThomasNet and multiple industry lists.”
- Erie Industrial ProductsUSA
“Named on ThomasNet's Busbar Systems Manufacturers and Suppliers page (snippet: Erie Industrial Products).”
- Busbar Manufacturer
“Site states "Custom busbar manufacturing for copper, aluminum and CCS integrated collection busbar products" (busbarmanufacturer.com).”
- EatonUSA
“Eaton product pages state they offer numerous busbar manufacturing technologies and specialize in low- and high-volume product mixes.”
- RittalGlobal (page on US site)
“Rittal describes industrial power distribution solutions "using innovative busbar power technology" on its product solutions pages.”
- Keats ManufacturingUSA
“Keats Manufacturing site page "Bus Bars" says they provide precision bus bar components and assemblies and can support stamped bus bar needs.”
- EMS Power
“EMS Power product page: "we engineer & manufacture customized Busbar Systems up to 300000 amperes (A)".”
- Schneider ElectricGlobal
“Schneider Electric product pages for UK show "Busbar Systems & Electrical Trunking" and modular Canalis busbars, indicating they supply/manufacture busbar systems.”
- ABB Ltd
“Named in multiple industry lists and market reports as a leading global busbar / busbar trunking systems manufacturer (e.g., Mordor Intelligence, Verified Market Research snippets).”
- Siemens AG
“Named among leading busbar manufacturers in industry listings and market reports (e.g., Viox, Verified Market Research).”
- Legrand
“Listed in industry roundups of busbar manufacturers (Viox and Verified Market Research list Legrand among leading busbar manufacturers).”
- Mersen
“Included in a ranked list of laminated busbar manufacturers (TulingMetal's Top 10 Laminated Busbar Manufacturers).”
- Methode Power Solutions Group
“Named in a Top 10 laminated busbar manufacturers list (TulingMetal).”
- AUXEL by Amphenol
“Listed in a Top 10 laminated busbar manufacturers list (TulingMetal).”
- nVent ERIFLEX
“Named in a Top 10 flexible copper busbar manufacturers list (GRL Copper blog mentions nVent ERIFLEX / Flexibar).”
- SOCOMECFrance
“Listed in industry roundups as a busbar manufacturer (GRL Copper blog and other top-manufacturer lists).”
- Wöhner
“Named among leading busbar manufacturers in industry lists (GRL Copper top manufacturers list).”
- ZhenJiang Sunshine Electric Group Co., Ltd.China
“Referenced on an OEM supplier page as "a leading OEM manufacturer, supplier, and factory of high-quality Electrical Bus Bars." (yg-electrical.com listing).”
- EAE Elektrik
“EAE product information page shows "Busbar Trunking" distribution systems and company materials about busbar trunking, indicating they supply/manufacture busbar systems.”
- Tai Sin Electric Limited
“Mentioned in a market report summary as having introduced low-voltage busbar trunking systems (SkyQuest Technology report snippet).”
- Meyers Power Products
“Named in a LinkedIn post listing the top busbar vendors shaping the global busbar market.”
- Vertiv
“Included in a LinkedIn list of top 10 busbar companies for data centers (post lists Vertiv (E&I)).”
Compiled from public sources and refreshed periodically. Always verify certifications and capabilities directly with the manufacturer before ordering.
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What to specify in your RFQ
Manufacturers quote faster and more accurately when your request covers these points.
- Current rating (A)
Specify the continuous and peak current the busbar must carry, and whether you need laminated, flexible or solid bars for that rating.
- Conductor material
State preferred material (e.g., copper, oxygen-free copper, aluminum) and any plating/coating requirements for conductivity or corrosion resistance.
- Dimensions and geometry
Provide cross-section, thickness, width, overall length and any bends, holes or stamped features required for assembly.
- Insulation, casing and IP rating
Specify insulation type, busbar trunking enclosure requirements, IP rating and fire/smoke performance needed for the installation.
- Standards and certifications
List applicable standards (eg IEC/NEMA/UL/ANSI), and any factory approvals (e.g., OEM approvals like Siemens) or third‑party test requirements.
- Quantity and production type
Indicate prototype vs production, annual volumes, and whether you need custom one-offs, small runs or high-volume manufacturing.
- Operating environment
Describe ambient temperature, vibration, corrosive atmosphere, marine/rail/aerospace requirements that affect material and finishing.