well I'll post what I know then..
www.iglobalmedia.com - ya gotta have money, they only take bigger operations ($200k +)
www.bossmedia.com - on the lower end
www.tribecatables.com - similar to iglobalmedia but lower cost
www.microgaming.com - casino style games like blackjack etc
www.dobrosoft.com - turnkey for as little as $3000
I hope that helps out!