Halloween Productions, Inc. offers the best haunted house consulting in the business! HPI owns and operates three successful haunted houses in Saint Louis, MO that gross hundreds of thousands of dollars each operating season. In addition, HPI has built haunted houses for Kennywood, Six Flags, Paramount Parks, Sea World, Busch Gardens, Madison Square Garden, Spookyworld, and Cedar Point, as well as attractions all over the world. HPI has also designed and built sophisticated dark rides such as: Spiderman's Ultimate Ride, Ghostwood Estates and Garfield's Nightmare.

Do you need help building the ultimate haunted house, maze design and scenic placement? Do you need help organizing sponsorship packages, promotions and marketing? Do you need help learning the secrets to operating a successful haunt? HPI is the only company to call... Do not be fooled into hiring someone who doesn't actually own a successful haunted house. HPI has helped theme parks as well as regular haunters attract millions of fright fans. The bottom line is simple... If your haunt is stuck in neutral or if you're building a haunt for the first time, the consultation we offer will pay for itself in the first day you open your attraction.