Top 10 Electrical Lamination Manufacturers in the USA 2026

Tempel Steel Company operates as one of the premier electrical lamination manufacturers serving global automotive, industrial, and energy markets. The organization specializes in precision electrical steel laminations for motors, generators, and transformer cores. Utilizing high-speed progressive die stamping, Tempel processes laminations as thin as 0.20 mm to minimize core loss and optimize electromagnetic performance across high-frequency applications.

Oberg Industries delivers ultra-precision stamped components and carbide tooling, maintaining a specialized focus among electrical lamination manufacturers in the North American region. The firm manufactures precision rotor and stator laminations for electric motors, hybrid systems, and aerospace actuators. Oberg works extensively with specialized magnetic alloys—including Hiperco®, Vacodur®, and silicon steels—delivering tight-tolerance assemblies engineered for maximum magnetic efficiency.

Laser Technologies Inc. stands out among electrical lamination manufacturers for its dedicated focus on quick-turn prototype development and low-to-medium volume production runs. Operating from a 168,000-square-foot facility, the company utilizes advanced laser cutting and stamping systems to produce custom rotor and stator laminations without requiring initial high-cost hard tooling, enabling rapid design iteration for prototype motor programs.

Lamination Specialties operates as a large-scale manufacturer within the electrical lamination manufacturers domain, running over 40 high-speed lamination and stamping presses. The facility specializes in electrical steel laminations for transformers, fractional horsepower motors, and large rotating machinery, offering comprehensive steel inventory management and custom slitting services.

Sotek, Inc. is recognized among trusted domestic electrical lamination manufacturers, specializing in custom electrical steel laminations, stacked stator cores, and rotor assemblies for heavy-duty motors and generators. Sotek provides specialized C5 and C6 bonding and insulating coatings, along with full-scale laser cutting and precision stamping services tailored for heavy industrial applications.

LCS Company maintains a long-standing reputation among electrical lamination manufacturers, engineering custom electric motor laminations, compound tooling, and stator core assemblies. The firm handles both initial prototyping and full-scale production runs, employing progressive tooling, wire EDM, and high-precision stamping to process various electrical steel grades to exact customer specifications.

C.A. Spalding Co. functions as a custom manufacturer specializing in contract fabrication within the electrical lamination manufacturers sector. The organization fabricates custom motor laminations, toroidal cores, and electromechanical sub-assemblies. Their capabilities extend to specialized electrical testing, precision winding, and rapid prototyping for critical defense and industrial applications.

Proto Lam LLC is a specialized fabrication firm among electrical lamination manufacturers, focusing on high-precision laser-cut laminations and short-run production. The company processes nickel alloys, cobalt alloys, cold-rolled steel, and silicon steel, delivering tight-tolerance lamination stacks for high-performance motors and custom electromagnetic equipment.

Bourgeois Inc. represents a globally integrated manufacturer listed among top electrical lamination manufacturers supplying North American OEMs. Specializing in high-precision die design, rotor/stator lamination stamping, and automated stacking technologies, Bourgeois delivers magnetic core assemblies engineered for extreme efficiency in electric automotive drives and industrial pumps.

Polaris Laser Laminations provides custom fabrication services as a dedicated supplier among electrical lamination manufacturers. Focusing on laser-cut motor laminations, prototype development, and bonded stack assemblies, Polaris supports engineering teams during the critical design validation phase, allowing rapid testing of motor geometries without custom tooling expenditure.