Why choose keystone environmental solutions? No risk....only reward! Keystone Environmental Solutions is a solid waste, recycling, medical waste, e-waste and document shredding service management company that helps commercial, industrial, and other types of business to maximize service, monitor pick up levels and reduce costs.How do i get my keystone id? Please enter your first name, last name, and email address (the one you registered with) below. We will send your Keystone ID via email after we verify your information.How do i contact keystone golf resort? [email protected]. Keystone Resort Mailing Address. PO Box 38. Keystone, CO 80435. Phone: ( 970) 496-4000. Email: [email protected]. *PLEASE NOTE: This email is not for lodging information, reservations, or cancellations.