Your partner for the USA


BLOCK USA, Inc., founded in 2000, handles sales, distribution and warehousing of Transformers, reactors, filters and Power supplies for the US market. In order to allow US customers to be faster and more flexible supplied with products “made in USA”, in November 2015 BLOCK has formed a new manufacturing center of excellence: BLOCKSMOY, Inc. Both companies incl. warehouse are located in the company-owned building in Franklin Park in the Chicago area.

As a DIN EN ISO 9001 certified company BLOCK is well equipped to face the future, thanks to our extensive research & development center and accredited EMC test laboratory.

10632 W. Grand Avenue
Franklin Park, IL 60131
Phone +1 847 260-9050
Fax +1 847 260-9079