Jefferson Chamber of Commerce HDR Engineering, Inc. Share: Engineering HDR Engineering, Inc. Visit Website 1 Galleria Blvd., Ste. 1920 Metairie, LA 70001 (504) 218-1231 LinkedIn Facebook Twitter Hours: M-F, 8-5 About Map About HDR is an employee-owned design firm specializing in architecture, engineering, environmental and construction services. What's Nearby? Distance: 5 10 15 20 25 50 mi.