The Gray Group Consulting Network, Inc. Share: Advertising, Media, Marketing & PromotionConsultants The Gray Group Consulting Network, Inc. Request Info 413 Skygrove Drive Holly Springs, NC 27540 (919) 621-9906 Rep Info Map Whom to Contact Dick Sears President Phone: (919) 621-9906 Send an Email What's Nearby? Distance: 5 10 15 20 25 50 mi.