About Us

It all started with John Niehaus, founder of Custom Cage

Custom Cages – Safety is our first concern!

  • John Niehaus, founder of Custom Cage, was born in NW Iowa.
  • Retired from Law Enforcement after 18 1/2 years. Served in the capacity of a K-9 Officer, SWAT team member, dive rescue, STEP Officer, patrolman, pilot, evidence technician and community-policing specialist.
  • Retired from USAR after 29 Years. John started out in the Air Force as an Air Traffic Controller serving a tour in Viet Nam in 1969. John also served with the South Dakota Army National Guard and the US Army Reserve.
  • After retiring from law enforcement in 1995, John served as Mayor of Spearfish for two years, In 1998, Custom Cage was officially started.
  • Custom Cage has grown by word of mouth to have repeat customers in almost every state in the United States.