Project 463, and Stratospheric Dreams). If you can provide more info or corrections, please leave a comment.
There are reviews of several of their kits under the Fat Cat Name on EMRR and Ye Olde Rocket Plans has the instructions for a couple of them. I just ran across the Starship Enterprises catalog that I picked up at LDRS-19 in July 2000. Their kits were cool and they had a couple of big upscales - which were really cool! Scans are included below the page break.
Click to get the bigger version: