Beans doesn't build their own rods, but they're contracted from some of the best manufactures.
I couldn't tell you who build the rods that they're selling now, but the 2 older ones that I have are top quality.
One is a 1980's G.Loomis, the other is a late '50s Wright&McGill 8wt. You wouldn't think an early glass rod like that could effortlessly throw a full line, but it can