Top 5 small, midsize, and large workplaces
No. 3: Renewal by Andersen of Greater MA & NH
Based in: Northborough
Massachusetts employees: 145
Renewal, which swaps shoddy old windows with new ones, upgraded from the fifth-best small company last year to the third-highest rated this year.
John Esler, president of Renewal by Andersen, beside the sign at the company's Northborough showroom.