What does PSP stand for?

PSP stands for Point Service Provider

This definition appears somewhat frequently

Other Resources: Acronym Finder has 152 verified definitions for PSP

Samples in periodicals archive:

Reliable Service. Service to All Major Airports; Point to Point Service Provider; Weddings & Receptions; Night on the Town; AM Airport Departure and Arrival pickups

End-to-End Mail Management Services: Velex provides end-to-end solution in mail management as a single point service provider covering the entire mail management...