Sentry has been making quality furnaces for the heat treating industry since 1921. Today, we are the oldest steel heat treating furnace manufacturer in operation in the United States. We are located in Foxboro, Massachusetts, and from that location we proudly serve customers across the country. 

 

For prices, information, or to order, call us

Monday through Friday, 9am-5pm ET at (508) 543-5391

or email us at sentryco@verizon.net

America’s oldest steel heat treating furnace maker.