The Metro Atlanta Chamber (MAC) is a 165-year-old organization representing businesses, colleges and universities, and nonprofits across the 29-county region that makes up the nation’s sixth-largest market. Member companies invest in MAC’s work to attract and retain business, ensure a business-friendly climate through public policy efforts and market the region as a great place to live, work and play. It promotes metro Atlanta to the national and global business community, attracting businesses that bring more skilled and knowledge jobs to our region and supporting startups and industries that boost our area’s corporate innovation ecosystem.