I have some method racing wheels on my 2500 sierra, they are insanely stout. the weight is there, but made to be strong and last. I'll be tossing some on my 4th gen when wheels/tires is next on the list
The majority of products that appear in the Google result are steel and forged wheels. You can browse shops like 4wheelonline for a wide variety of off-road wheels. Manufacturers such as Method wheels, Moto Metal wheels, and Vision wheels are just some of the brands to consider.