Based on your strengths, knowledge, skills and interests as well as your temperment use this list to stimulate the possibilities. Be sure to conduct due diligence in all of your endeavors, exploring licensing and insurance factors as well as other legal and financial issues.
Broker - business, real estate, information, business to business, investment etc.
Organizer - Office, Closet, Home, records, packaging,
Meeting Planner - Wedding, specialty, seminar, conference
E-Commerce - Web design, marketing, information, "finder", software design
Pet Care - sitter, groomer, walker, trainer
Physical Labor - Hauler, lawn care, snow removal, mover, handyman, home cleaning
Transportation - Elder, children, long distance, short distance, contract or on call
Delivery - Food, business to business same day, pick up and delivery
Investor - Real estate, finance, business
Writer - Books, newletter, music, greeting cards, lyrics, proposals, poetry
Consultant - Corporate, government, small business, real estate, finance, tax, international
Speaker - Keynote, seminars, spokesperson, voiceover, stand up comedy
Singer - Back up, jingles, commercials
Coach - Life, personal, career, academic, sports, college
More ideas can be found at http://www.entrepreneur.com/businessideas