Simplify the following text for a Grade 11 native English-speaking person.
Original: The prosperous towns of central and western Warwickshire including Leamington Spa , Stratford-upon-Avon , Kenilworth , Alcester , and Warwick harbor light to medium industries , services and tourism as major employment sectors .
Simplified: The rich towns of central and western Warwickshire include Leamington Spa , Stratford-upon-Avon , Kenilworth , Alcester , and Warwick . They have light to medium industries , services , and tourism as major employers .