Knopp Inc. is a design and manufacturing company located in Emeryville, California, USA (alongside beautiful San Francisco Bay). We have been in business since 1928 -- if you're counting, that makes 2010 our 82nd year.  Our primary products are transformer test equipment, precision voltage and current transformers, and electrical instruments. Our customers include electric utilities; manufacturers of  transformers and electric motors; government (federal, state, and municipal); and professional electricians.

Visit the Knopp Official Website