Prior to its dissolution , Atrivo was headquartered in Concord .
Concord also has a strong retail sector including the Sunvalley Mall , which used to be one of the 50 largest malls in the USA , auto dealerships , Costco , and Fry 's Electronics .
Prior to Concord 's dissolution , Atrivo was headquartered Concord Concord .
Concord also has a strong retail sector including the Sunvalley Mall , which used to be one of the 50 largest malls in the USA , auto dealerships , Costco , and Fry 's Electronics .