Founded in 1970, Zwack, Inc. is a third- generation, family-owned corporation that enjoys business relationships with small to Fortune 500 customers internationally along with municipalities within the nearby four-state area. Products manufactured by us - in use throughout the United States, Canada, Europe, & Asia - attest to our commitment to providing each customer with solid craftsmanship, economic value, and successful adaption of ever-changing technology. Zwack, Incorporated has been a specialty manufacturer for more than 40 years and provides clients worldwide with diverse engineering, design & manufacturing options – ranging in size & complexity from products such as highway material spreaders, firefighting equipment, transformer core winding machines, computer controlled core stacking machines, cold fusion processes for manufacture of copper and aluminum transition pieces, to …whatever machinery a customer may ask to have built.