Acorn Bird Products manufactures bird houses and feeders cast of highly durable, fiber-reinforced concrete. Their hanging products utilize high-test, galvanized cable, and their feeders contain either stainless steel woven mesh or welded mesh.
Nuthouse Cafe Bird Feeder - by Acorn Bird Products - B-2001
All Bird Cafe Bird Feeder - by Acorn Bird Products - D-2003
Bluebird Chateau - by Acorn Bird Products - E-1002