COLLIN SMALL BUSINESS DEVELOPMENT CENTER Share: Community Organizations & Services COLLIN SMALL BUSINESS DEVELOPMENT CENTER 4800 Preston Park Blvd., Ste. A126 Plano, TX 75093 (972) 985-3770 (972) 985-3775 (fax) Rep Info Map Whom to Contact Mrs. Betsy Colter Client Services Coordinator Phone: (469) 438-3530 Darlisa Diltz Business Advisor Phone: (972) 985-3773 Marta Frey Director Phone: (972) 985-3770 What's Nearby? Distance: 5 10 15 20 25 50 mi.