Rogers Park Business Alliance | 682 followers on LinkedIn. Strengthening Business, Building Community. | Rogers Park Business Alliance (RPBA) is a nonprofit, 501c3, organization, specializing in business, community and economic development in Rogers Park--one of the most racially, ethnically and economically diverse community in Chicago. Rogers Park Business Alliance cultivates and sustains a thriving economic environment in Rogers Park, serving businesses and residents. Rogers Park Business Alliance is a delegate agency of the City of Chicago Department of Business Affairs and Consumer Protection and is the Sole Service Provider for four Special Service Areas.