Supra is a leading global provider of key management solutions. Supra released its first lockbox system in 1955 for the real estate industry. The Supra real estate lockbox system is managed today by real estate associations and Multiple Listing Services for real estate agents to efficiently market and show listed homes.
Supra also offers innovative solutions for automotive, and industrial sectors. For more information about these systems, please visit us at
Based in Salem, Oregon, USA, Supra is part of Carrier Global Corporation.

Core Values

Our culture is rooted in the core values that guide us: 
Customer Focus

Product Security Commitment

Supra and Carrier are committed to the cyber security of our products and services. We investigate all credible reports of security concerns affecting our products. If you have a security concern regarding one of our products, please visit our corporate product security page.

Contact Us

4001 Fairview Industrial Dr SE
Salem, OR 97302

Technical Support: (877) 699-6787
Click here to email Supra Support

Supra headquarters, Salem, Oregon

Supra headquaters until 1999

The original Supra headquarters in 1955