Pratt Hobbies:Doug Pratt of Pratt Hobbies not only sell our hybrids but fly's them as well ! Pratt hobbies can also provide one of the lowest cost and most versatile fill system's on the market. Check out his "RTLS" fill system. This site is a MUST SEE !
Vatsaas Brothers:site RTV, they build some very unique rockets, No kit's for these guy's, a definite Must See, for the serious Scratch Builder. Check out the great review on the "I-110" also, thanks guy's !