Just do a search for spring shops in Vegas .... Here is one.
Skips Spring Service
5310 Procyon St,
Las Vegas, NV 89118
Or if you know the dimensions - length, width, leaf count and weight needed to support the load you can have a set built. I had a set built by a builder in Florida or Georgia and had them shipped to Phoenix for less money than a local shop. It was done for the rear axle of my van however the concept is the same no matter what the vehicle.
1966 Mercury Park Lane 4 DR Breezeway 410 4V, C-6, 2.80 - Streamless.
1966 Lincoln 4 door Convertible 462 4V 1971 Ford LTD Convertible 429 4V Phoenix ~ Yeah it's hot however it's a dry heat!