Zoo Doors and Operational... ZOO DOORS & ANIMAL ENCLOSURES Specialists in design & manufacture of ZOO and AQUARIUM automated doors. We design to the zoo and handler desires. When... the opportunity to discuss your interests. BRONX ZOO ELEPHANT DOOR PROJECT (1) Elephant double door entry prior to installing the hydraulic cylinders. (2) Removing the hydraulic... equipment is either Remote or Enclosed from any animal's curiosity. We manufacture both Interior and Exterior Closures and Operators. If you are designing a secure habitat give us...