GBIS Disability Inc., is a Social Security Disability Advocacy system with a single objective in mind: to help SSI?SSDI claimants win their disability claims in the most efficient and effective manner. Founded in 1995 by retired Social Security Executives, GBIS has provided disability advocacy services to over 10,000 clients throughout the Continental United States and Alaska. Headquartered in Macon, Georgia GBIS provides national coverage through our branch offices and through our corporate headquarters. Call us now 1-800-782-0059. Consultations