SAN FRANCISCO–(BUSINESS WIRE)–Slack Technologies, Inc. (NYSE: WORK) today announced that H-E-B, one of the largest privately owned retailers in the U.S., provisioned more than 100,000 Partners (employees), from manufacturing plants and warehouses to stores and order selectors, with Slack. “Slack helps us solve an issue that many retailers face: how to securely reach and connect to dispersed employees who don’t have access to traditional workplace communication tools,” said Gavin Gallagher, CI