SPANGLER PROTOTYPE

Spangler Prototype, Inc. (SPI) has been providing solutions since 1980 in Bolingbrook, Illinois. We take pride in ourselves for providing prompt and economical design services covering a wide range of solutions from electronic flourescent lamp ballasts to inductor and transformer design. Now located in Elgin, Illinois, Spangler Prototype continues to serve, both, national and international interests.

Also known as: Spangler Prototype, Inc.

Primary location: Elgin United States