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About Us

About APX Null Machines Shop

Null Machine Shop is a 20,000 sq. ft. metal machining facility located in Greencastle, PA just two minutes from Interstate 81. Null was first established in 1921 by Thurlow Null and has been in operation for over 100 years. In 2018 Null Machine Shop was acquired by APX Inc. and is now part of the APX family of companies including:

Null has been serving the construction, mining and heavy equipment industries, making machine component parts, along with parts for windows and doors.