| PAIN | Pain Acquiring Instrument Neat 
| Others |
| PAIN | Pain Assessment In Neonates
| Others |
| PAIN | Pain Associates International Network
| Others |
| PAIN | Paintball Association Imperial Nutcases
| Others |
| PAIN | Parents Against Injustice
| Others |
| PAIN | Parents And Addicts In Need
| Others |
| PAIN | Pause And Invite New
| Others |
| PAIN | Pay Attention Inward Now
| Others |
| PAIN | Payment Initiation
| Others |
| PAIN | Perfect Alternative Independent Network
| Others |
| PAIN | Person Activities Insights and Needs
| Others |
| PAIN | Persona Activities Insights and Needsfinding
| Others |
| PAIN | Pleasure After Intense Nagging
| Others |
| PAIN | Plentiful Apples In Norway
| Others |
| PAIN | Police Academy In Nebraska
| Others |
| PAIN | Positive Approach In Negative
| Others |
| PAIN | Positive Attitude In Negative situation
| Others |
| PAIN | Prayer, Availability, Invitation, and Neighborliness
| Others |
| PAIN | Prescription Addiction Intervention Now
| Others |
| PAIN | Privacy Authentication Integrity and Non
| Others |
| PAIN | Privacy Authentication Integrity Non
| Others |
| PAIN | Privacy, Authentication, Integrity, and Non-repudiation
| Others |
| PAIN | Professional Audit Information Network
| Others |
| PAIN | Proprietary Aging Isolated Non
| Others |
| PAIN | Protecting Animals in Need
| Others |
| PAIN | Public Access Independent Network
| Others |
| PAiN | Pursuing Anyone initially nowhere
| Others |
| PAIN | Puttin Asses In Neutral
| Others |