Santomassimo Davis LLP After Opening in 1995, Santomassino Davis LLP - OGC Solutions - expanded to include a virtual office in Philadelphia in January of 2019. Located and registered in the Cirra Center, our Philadelphia office offers all of the same services, Phone: 215-821-9676 2929 Arch Street, Suite 1700, Philadelphia, PA 19104 United States Map Other Categories: Finance & Legal |