It has now become trendy for corporations to take a stance on social-justice issues without fear of hurting the bottom line. In fact, it’s widely seen as a way to do the opposite, and that has a lot to do with groundwork laid by Ben Cohen and Jerry Greenfield, the founders of Ben & Jerry’s Homemade ice cream. The two childhood friends started out making ice cream in 1978, opening their first shop in a remodeled gas station in Burlington, Vt., and turned their business into one known around the world — both for its distinct chunk-filled product as well as for its determination to be a force for good via community involvement, environmentally sustainable practices and the creation of a still-lucrative alternative to the simple pursuit of profit.