Industries using CART include telecommunications, transportation, banking, financial services, insurance, health care, manufacturing, retail and catalog sales, and education. Applications span:
- Marketing: market segmentation, customer profiling, retention/attrition analyses
- Direct Mail: market segment profitability, campaign targeting, response prediction
- Financial Services: credit card scoring, fraud detection (e.g., see Fleet Bank success story)
- Manufacturing: assembly line failures, quality control
- Health Care: clinical trials, biomedical research (e.g., see Pfizer success story)

