Location: Brookfield, Wis.
Assets: $1.8 billion
President and CEO: James McKenna
Popular with employees: North Shore organizes several walks, runs and bikes throughout the year and pays for employees to participate.
Community service initiative: Themed events and dress down days raise funds for a variety of local charities each quarter.
Sustainability initiative: During Earth Day events for the Urban Ecology Center, employees help with planting and weeding in their neighborhoods.