Jefferson Chamber of Commerce Sisung Group Share: Financial Services / Advisors Sisung Group Visit Website 201 St. Charles Ave., Ste. 4240 New Orleans, LA 70170 (504) 544-7700 (800) 259-7213 (504) 544-7701 (fax) About Map About Sisung Securities Corporation (SSC) is a full-service Investment Banking firm that provides financial services to public sector, corporate, nonprofit, retail and institutional clients. What's Nearby? Distance: 5 10 15 20 25 50 mi.