If they look like this, I believe they were manufactured in Southern California in the late 90's and early 2000's. I think they may be out of business.
They are probably built on an EZGO or Club Car chassis like the Western carts were.
I've seen a couple of them and they look like nice carts. Disc brakes, 4 wheel independent suspension etc. The company is out of business as far as I know and parts are very hard to find for them. If you can find parts you'll pay big bucks for them.