Graybar Electric Categories Electrical SuppliersHome Theater SystemsSecurity SystemsTV/Internet/Phone 2810 N 1st Ave Sioux Falls SD 57104 (605) 731-7900 (800) 955-6065 (605) 338-7262 Send Email Visit Website Rep/Contact Info Gin Aguinaga × Gin Aguinaga Phone: (605) 731-7937 Cell Phone: (605) 215-3197 2810 N 1st Ave Sioux Falls SD 57104 Karla Feuerstein × Karla Feuerstein Phone: (605) 731-7900 2810 N 1st Ave Sioux Falls SD 57104 Share × Print Email Facebook Twitter LinkedIn Tell a Friend ×