| Acronym | Definition |
|---|
| PMSI➣Professional Marketing Services, Inc. (Stratford, CT) |
| PMSI➣Premium Messaging Services Interface |
| PMSI➣Purchase-Money Security Interest (generally a lien resulting from a purchase such as a car loan) |
| PMSI➣Physician Micro Systems, Inc. |
| PMSI➣Programme de Médicalisation des Systèmes d'Information Hospitaliers |
| PMSI➣Perini Management Services, Inc. (Massachusetts) |
| PMSI➣Popular Mortgage Servicing, Inc. (Cherry Hill, NJ) |
| PMSI➣Provider Multicast Service Interface |