Man injured in accident at machine shop in Southington Man injured in accident at machine shop in Southington March 02, 2021 08:50PM By Nick Sambides Jr., Record-Journal staff SOUTHINGTON â A man suffered what was initially reported as a crushed hand in an industrial accident at a machine shop on Tuesday. The man, whose name was not released, was taken to Hartford Hospital after firefighters were called to Supreme-Lake Manufacturing at 455 Atwater St. in the Plantsville section, said Battalion Chief Thomas Donnelly. No further information was available. Supreme-Lake is a 46,000-square-foot machine shop that manufacturers machines and parts for water, gas, heating, refrigeration and heavy-equipment industries, according to its website.