Horst Engineering and Thread Rolling, Inc. are located in the business district of East Hartford, CT. Our street address is:

36 Cedar Street
East Hartford, CT 06108 USA

Sterling Machine Company, Inc. is located in Lynn, MA:

23 Farrar Street
Lynn, MA 01901 USA

Our additional Connecticut location is on the South Windsor/East Hartford line:

490 Burnham Street
South Windsor, CT 06074 USA