| PPL | Point-to-Point / Process-to-Process Link |
| IP | Interrupt Process |
| WIP | Work-In-Process |
| OPC | OLE for Process Control |
| PH | Process Hold |
| KPA | Key Process Area |
| VAP | Value-Added Process |
| SPC | Sub-Process Control |
| VAP | Value Added Process |
| PCO | Process Change Order |
| PCL | Process Control Language |
| PCB | Process Control Block |
| LWP | Light Weight Process |
| OPM | Object Process Methodology |
| JCP | Java Community Process |
| NK-AP | Nippon Kokan-Arc Process |
| OEP | Object Engineering Process |
| PDB | Process Data Base |
| PID | Prozess ID [process identification] |
| VAD | Vacuum Arc Degassing process |
| SPC | Statistical Process Control |
| SDP | Shared Development Process |
| RUP | Rational Unified Process |
| RH | Ruhrstahl Heraeus process |
| PSP | Personal Software Process |
| PPM | Process Performance Manager |
| PLC | Process Liquid Chromatography |
| PIP | Process Improvement Proposal |
| PMP | Process Management Portal |
| IPC | Inventory Process Control |
| PCS | Process Control Systems |
| CSP | Communicating Sequential Process |
| DAP | Dow Aluminium Pyrometallurgical process |
| CPC | Computer Process Control |
| CPV | Cold Process Verification |
| DH | Dortmund Hoerde process |
| DAP | Data Archiving Process |
| GPS | Graphical Process Statistics |
| FOMP | First-Order Magnetization Process |
| RPM | Remote Process Management |
| PM | Problem / Process / Project Management |
| PPID | Parent Process Identification Number |
| BPO | Business Process Outsourcing [engl.] |
| capp | Computer Aided Process Planning |
| BPO | Business Process Outsourcing [engl.] Auslagerung von Geschäftsprozessen |
| PID | Process / Protocol Identification Number |
| CIG | Coal Iron Gasification process |
| BPR | Business Process Reengineering [engl.] Reorganisation geschäftlicher Abläufe |
| OPCAT | Object Process CASE Tool |
| BPM | Business Process Management/Modelling |