Simplify the following text for a Grade 12 native English-speaking person.
Original: Some of these companies are : AXA , GE Capital , DHL , Discount Tire Company , Tempo Creative , Fidelity Investments , JDA Software and The Vanguard Group .
Simplified: Many important companies are headquartered or have regional headquarters in the park , including AXA , GE Capital , DHL , Discount Tire Company , Fidelity Investments , JDA Software , GoDaddy.com , and The Vanguard Group .