- PSA has been an IBM Business Partner for over 25 years. PSA is a certified reseller of IBM products and PSA is an IBM Certified Technical Sales Specialist for Power Systems.
- OSG Billing Services
- Globecomm Systems
- Syniverse
- Competitive Carriers Association
- Rural Telecommunications Group
- Alcatel-Lucent
- Ericsson
- Globecomm Systems
- Lucent
- Motorola
- Nokia
- Nortel
- Primal
- Star Solutions
- ZTE
- GetLisa
- Interop
- Sky Message
- Spatch