Okay, I admit to being a Sig snob because they are really good guns. The 229's grip is shorter than the 226's giving up a couple of rounds capacity and the slide is roughly 1/2" shorter. I regularly carry my 229 with a Desantis Viper holster or a Bianchi IWB Pro and it shoots great. The 226 is really a fullsize gun better suited to OWB carry for comfort.
The Berettas are very good guns if it fits your hand ok, some shooters find it a little too big. Like the 226, it is gonna take a lot of effort for concealed carry.
Bothe the Commander [4.25"] 1911s are really good pistols and smooth to shoot. Being SAO, they will have the best triggers of the guns listed. Again, I use the Bianchi Pro for IWB carry on my commander size guns as it has a nice thick piece of leather to protect your hide. For 1911s that are US made you can look at Ruger and S&W [my regular carry 1911 is a S&W Scandium frame with a bobtail].