SCHUYLKILL HAVEN – When the COVID-19 pandemic forced people to stay home, Cardinal Systems Inc. saw a rise in demand for at-home pools. “Ever since the middle of April last year, we have been slammed, ...

Feb. 26—SCHUYLKILL HAVEN — When the COVID-19 pandemic forced people to stay home, Cardinal Systems Inc. saw a rise in demand for at-home pools. "Ever since the middle of April last year, we have been ...

Cardinal Systems Inc., a family owned manufacturer of steel wall panels and vinyl pool liners, will expand in North Manheim Township and in Manchester Township, York County, with a $9 million ...