Directions to Sentinel Security Group, Inc. Directions to Sentinel Security Group, Inc. Search | Advanced Search | New Members | Coupons and Discounts | All Categories Business & Professional Services >> Security Guards Sentinel Security Group, Inc. 3736 N. Market StreetShreveport, LA 71107 318-227-9175 | fax: 318-562-1460 Visit Site Get directions to: Sentinel Security Group, Inc., 3736 N. Market Street, Shreveport LA Get directions from: Click to Print This Page If your business isn't here, contact us today to get listed!