Horizons, Inc.
Corporate Membership
Parent: Horizons, Inc.
18531 South Miles Road Cleveland, OH 44128
800.635.6154
If you are an employee of a GPI member company, we invite you to set up an online account to:
The members of GPI invite and encourage you to join! By working together, we can achieve our mission to maintain and enhance our industry as a whole.
All membership applications for GPI must be approved by the Board of Directors.
