Another vote for Milt Sparks. I have four custom made gun belts from various makers. Even some that are almost 2 inches wide made with double layer of quality leather to help carry the heavier guns.
Milt sparks makes his with a slight curve and they are one layer of quality leather. They work better than any of the others because they conform to the waist better. I don't even have to cinch them really tight to keep the gun close to my body. And that is with a 1.5 inch wide model. E