True innovation – from deep in the heart of Texas, since 1979 Plenty has changed in packaging and poly since 1979. We’ve seen thinner films, more durable poly, improvements in printing, and the emergence of exciting innovations in biopolymers. With each innovation, Houston Poly has been able to grow our business by expanding what we can offer our customers across North American – and throughout the world. Houston Poly is a fully integrated, custom manufacturer of extruded polyethylene films, biodegradable and sustainable films, bags, shrink films and flexible packaging.