Person of Interest
780 Mercer
Reese and Mark Snow use their ATF disguises to sneak past security during the bomb threat in episode 2x13 “Dead Reckoning”.
Source: Person of Interest — Wikia
Symmetric Security Solutions (roof)
Kelli Lin jumps over to the roof of the building holding the artifact in episode 3x14 “Provenance”.
Kincaid Equity International
Fusco investigates the death of Tara Cooke at her office in episode 3x15 “Last Call”.
Empty Office Building
Reese and Shaw attack the floor where the kidnappers are holding Aaron Hollenberg in episode 3x15 “Last Call”.