Operational for over 35 years, Casto is one of the largest full-service, travel management companies in Northern California. Located in San Jose, Calif., it offers customers a wide array of services. This includes providing corporate, concierge, vacation and group travel management services. In addition, the company offers full service visa and passport processing. Casto s client portfolio ranges between individual professionals, emerging companies and Fortune 500 corporations. It is certified from the Northern California Supplier Development Council (NCSDC) as a certified Minority Business Enterprise.