Theros Equipment is one of Northern Virginia's leading equipment rental and sales companies and was named to the TOP 100 Rent ... al Companies Nationwide for 8 years in a row! We serve the greater Washington, D.C. Metro and Northern Virginia Area. Theros Equipment is a privately owned company which opened its doors in 1996 in Springfield and has been expanding to serve its growing customer base ever since. Theros Equipment currently has 4 stores, located in Gainesville VA, Springfield VA, Fredericksburg VA and most recently Sterling, Virginia. It is the goal of Theros Equipment to be the best in rentals, parts and service in the area. read more