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About Porter Machine

For over 25 years Porter Machine has been providing contract machining services to customers throughout the Northeast. We pride ourselves in our ability to work with our customer base to establish strong relationships and to gain an understanding of their business and business strategies.

Our core values of customer service and the highest quality have allowed us to continue to grow and invest in our business for the benefit of our customers. We continue to learn and invest in technology, machinery and people.



In a rented building in Coventry, RI, Porter Machine is established with one part time employee and 3 manual machines.


Bill Porter hires his first 3 employees and purchases his first CNC machine.


Porter Machine purchases more manual machines and now employees 8 machinists.


Bill Porter purchases a 1500 square foot building in Coventry, RI and immediately builds a 1500 square foot addition. From 1990 through 1994, 8 more CNC machines are purchased and Porter Machine now employs 12.


Porter Machine moves to a 9000 square foot manufacturing facility in West Greenwich, RI and purchases 5 more CNC machines.


Porter Machine has grown to 22 employees and added grinders and other support and inspection equipment.


Exact JobBoss® shop management is installed and launched providing shop floor control and complete visibility of customer orders throughout the manufacturing cycle.


Porter Machine becomes ISO 9001:2008 certified.


Solidworks® 3D CAD is installed and working with and through the local colleges, universities and technical schools, an engineering department is created. iMachining® is purchased, providing accurate and timely response to customer requirements.