Jenny Hellwig

Basis Technologies, which is headquartered in Chicago and has about 250 employees in the metro area and 900 overall, is a digital platform for advertising agencies and brands.

For more than a century, Itasca-based manufacturing company Fellowes Brands has produced a staple of the American office — the Bankers Box.

Shure, a private electronics firm in Niles, employs about 1,000 people in Chicagoland and 3,000 total worldwide.