There are total 22 Key Process areas in CMMI. Ratings are awarded for level 2 through level 5.
Maturity Level 2 - Managed
- Project Requirement Management
- Project Planning
- Quality process & product Quality Assurance
- Project Monitoring & control
- Measurement & Analysis
- Configuration management
- Supplier Agreement Management
Maturity Level 3 - Defined
- Requirement Development
- Technical solution
- Product Integration
- Verification
- Validation
- Organization process Focus
- Organizational process Definition
- Organizational Training
- Risk Analysis
- Decision Analysis & resolution
- Integrated Project management
Maturity Level 4 - Quantitatively managed
- Organization process performance
- Quantitative project Management
Maturity Level 5 - Optimization
- Casual analysis and Resolution
- Organization innovation & deployment