Depending on your budget, choices(weapon retention, speed, cant or angle, etc) and other minor factors; Id check these respected makers/shops.
Before you order a new rig, contact the shop or company first to avoid conflicts or long waits. Some holsters or gear may not be ready 24-07 or minor style changes may not fit your semi auto pistol.
See:
www.blade-tech.com www.safariland.com www.bianchi-intl.com www.usgalco.com www.miltsparks.com www.blackhawk.com www.highnoonholsters.com Mernickle, KirkpatrickLeather.com, El Paso Saddlery, DonHume.com, Mitchrosen.com, Tedblockerholsters.com, Greg Kramer, Tex Shoemaker, Alessi, DeSantis.
Some like kydex or plastic, some armed professionals like using horsehide, shark, bull, etc.
CF