By Technology

• Interactive voice response
• Optical character recognition
• Text analytics
• Speech analytics
• Classification and categorization
• Pattern and image recognition
• Ohers (Coding, Professional services, etc)

By Industry Vertical 

• Manufacturing
• Advertising and media
• Automotive and transportation
• Banking financial services and insurance (BFSI)
• High tech and telecom
• Energy utilities
• Government and public sector
• Education
• Transport and logistics
• Retail and ecommerce
• Healthcare

By Enterprise size

• Small Enterprises
• Medium-sized enterprises
• Large enterprises

By Type

• Rule-based
• Statistical
• Hybrid 

By Deployment

• On premises
• Cloud (Public cloud and private cloud)
• Hybrid

By Component

• Solutions
  • Platform
  • Software tools
• Services
  • Professional Services
    • Consulting
    • System integration and implementation
    • Support and maintenance
  • Managed Services

By Application

• Language scoring
• Content management
• Automatic summarization
• Risk and threat detection
• Data extraction
• Sentiment analysis
• Others (HR and Recruiting branding, advertising, portfolio monitoring)