I have a sneaking suspicion there might have been a *somewhat* similar thread before, but ok.....
Primary / Nearly Always: Kahr MK9, 9x19mm, in SmartCarry rig.
Secondary: CZ 75 Compact PCR, 9x19mm, with CT lasergrips, in Gould & Gouldrich in leather OWB paddle holster
Tertiary/special occasions when tuckable needed: Sig GSR Revolution compact 1911, .45 acp, in tuckable Mitch Rosen IWB (the economy line Rosen)
[Incidentally, the office desk gun is a Bersa Thunder 9, pickup truck pistol #1 is a Makarov (console), and pickup truck pistol #2 is a Springfield 6" longslide in .45 acp (floorboard safe)].