Lisle, Ill.— Illinois Attorney General Jim Ryan and DuPage County State’s Attorney Joseph Birkett have filed suit against sheet metal equipment manufacturer Lockformer Co., charging that the firm has ...

State environmental investigators conceded this year that they needed to expand the search for the source of contaminated wells in Lisle, Lockformer Co. asserted Monday. In a two-page statement, the ...

About a week after its parent company agreed to settle a federal class action lawsuit by homeowners with contaminated wells, Lockformer Co. has sued a group of neighboring businesses, charging their ...

The early to mid-1990s was a very difficult time for the industry due to patent litigation initially brought against The Lockformer Company, which at the time was a division of Met-Coil. In March 1991 ...