Manufacturers/Companies Represented


EI Sales represents quality manufacturers that work to provide customers with solutions and products that fit their needs. EI Sales represents complimentary manufacturers with non-competing lines, each of which is a leader in their field. This allows EI Sales to offer customers the highest quality level of products and services available. The long-standing business relationships EI Sales has established with its customers and companies is a benefit to all.



Bobbintron Electrical Corporation

25+ years of experience in design, procurement and management of manufacturing firms in Taiwan and China.
Provide source control drawings and complete documentation on all parts and projects.
We work toward an FOE (Firm of Endearment) relationship with both our customers and the factories.
In house design engineers and ProE wildfire 5.0 3D software.
24 hour response on RFQ’s, samples, shipping information and engineering questions.


Bravotron is a NCT (Numerical Control Tapping) house. No tooling for small to medium volume metal parts. Virtual Enclosures which allows us to install all hardware except for PCB. Pro-E 3D design capabilities.

Cincon Electronics Co., Ltd.

Cincon Electronics Co., Ltd.

Cincon Electronics Co., Ltd. is a global supplier of switch mode power conversion products to the communications, computer, industrial, medical and consumer markets. Our current offerings comprise over 1200 standard products including single & multiple output DC-DC converters from 1W to 200W , single & multiple output AC adapters from 5W to 100 W and open frame AC-DC power supplies from 5W to 750 W, as well as modified standard and custom power conversion products.

Digital Power

Digital Power Corporation designs, manufactures, and markets a full line of highly efficient, high density power system solutions for the Telecom, Industrial, Medical, and Military markets. Because Digital Power develops product lines with extremely flexible architecture, we can rapidly modify standard products to meet the needs of customers that require non-standard output voltages. For customers with unique and demanding specifications, Digital Power creates high-grade, fully custom power solutions.

Edgewood Logo

Edgewood Manufacturing

Machining of common materials: CRS, Aluminum, SST, Brass, Casting, along with most plastics. Light assembly is also available. Capability to machine and assemble your parts or you can provide the parts to be assembled.




E-Switch, Inc. is a leading electromechanical switch supplier that has been delivering innovative and quality switches to the global market since 1979 . Products include tact, snap-action, slide, sealed, anti-vandal pushbutton, SMT pushbutton, toggle, rotary, keylock, rocker, power, illuminated switches and more.


Foster Transformer 

Custom and standard transformers, related magnetic components and value added assemblies.

General Label

Membrane switch and Graphic overlay manufacturer. Specializing in full-color digital graphics. Quick-turn prototype capabilities to production with full graphic design assistance available.

Integrity Design Engineering

Integrity Design Engineering is a full service mechanical engineering company that provides a wide range of services from complete mechanical design to highly specialized structural and thermal analysis.

Kato Cable

Manufacture custom Battery Cables, Cable Assemblies, Wire Harnesses and Electro-Mechanical assemblies. Serving the Industrial, Recreational Vehicles, Power Generation, Gaming, Agricultural and Medical Markets.



ISO 9002 PCB manufacturer specializing in a broad range of technologies and services from quick turn around to production. Complete integration CAD/CAM. Pre-test prior to production. Computer, industrial, medical and telecom markets.


Plas-Tech Engineering

Medical plastic injection molding house. Leader in manufacturing glass alternative syringes made from COP/COC. Other capabilities include prototype molding and tooling, production molding and tooling, and medical device assembly and packaging along with other customer required secondary operations.

Shindengen America, Inc.

Shindengen America

Automotive Technology Products

The world’s leading manufacture of engine modules for the small engine market. We manufacture a broad range of products from Regulator Rectifiers, Capacitive Discharge Ignitions, and Engine Control Units to custom modules. A global company with manufacturing and engineering in the US.

(Automotive Division)
Regulator Rectifiers, Capacitive Discharge Ignitions, and Engine Control Units to custom modules and Turn Signal Controllers.

(Power Supply Division)
Non isolated step down DC-DC modules (1A-3A) in SMT, SIP, DIP package. 25W, 7SW, 150W high efficiency AC/DC power supplies for LED lighting. CE, PSE, IP65 and RoHS.

(Semiconductor Division)
Rectifier, Schottky, Barrier and Superfast Recovery Diodes. Power MOSFETS, SIDACs, Surge Absorbers and Power ICs.

TEWA Electronics Group

Manufacturer of High Precision NTC Thermistor and Temperature Probes located in Lublin, Poland. Product offerings include NTC/PTC thermistors, PT RTDs and RTD assemblies and thermocouple elements. TEWA has more than 40 years of experience in serving customers and supplying temperature sensing solutions to a broad spectrum of user markets.

Webber Electronics

Manufacturer of Power Cords designed for use in both consumer and industrial applications. Our broad offering of North American, International and Hospital Grade power cords includes cords in both standard and custom configurations. Webber Electronics stocks many standard items for immediate delivery. We also offer very low minimum buys on custom power cords at competitive prices. Webber Electronics is dedicated to supplying high quality power cords for all global power cord applications. Our primary manufacturing facility is ISO9002 certified.

Comments are closed.

  • Corporate Office: 69 Power Drive, Mankato, MN 56001   507-345-7714   507-345-3374
  • Satellite Offices: North Liberty, IA 52317   319-626-7875   319-626-7975
     Minneapolis, MN 55401 952-881-3111 
    Lucas, TX 75002   614-209-9260  
     Orange, CA 92865   714-642-2205