I do Source Mapping but mostly for Portal and Portal 2. I'm the main mapper of Portal: Project-Beta, Blue Portals and I'm also a mapper for Portal: Alive and Kicking. I do mapping for other Source games such as Half-Life 2 also.
BPDC is the group behind the Portal mod titled "Blue Portals."
This group is about Portal: Project Beta dev team!
rHetorical is a small group behind many addons, maps, mods, and more.
For people and teams developing mods and games with Valve's Source engine.