- IASSCCertifications
- ICGB IASSC Certified Lean Six Sigma Green Belt
- ICYB IASSC Certified Lean Six Sigma Yellow Belt
- ICBB IASSC Certified Lean Six Sigma Black Belt
- LSSBB Lean Six Sigma Black Belt
- LSSGB Lean Six Sigma Green Belt
- LSSMBB Lean Six Sigma Master Black Belt
- LSSYB Lean Six Sigma Yellow Belt
- ICGB-deutsch IASSC Certified Lean Six Sigma Green Belt