Protect Your People & Property In Any Situation. Echelon Protection & Surveillance offers Security Guard Service, Personal Protection, Investigations. As your security partner, we remain flexible so that we can offer solutions that evolve to meet your needs, regardless of your situation or industry. Website: Google Maps: Address: 1617 John F Kennedy Blvd #1575, Philadelphia, PA 19103 Phone #: (610) 831-0277