Telesec Corestaff 1350 Dorsey Rd # A Hanover, MD 21076 Phone : (301) 513-0230 Business Category Employment Contractors-Temporary Help Employment Service-Employee Leasing Telesec Temporary Service 7467 Ridge Rd Hanover, MD 21076 Phone : (301) 513-0230 Business Category Employment Contractors-Temporary Help Employment Service-Employee Leasing Telesec Corestaff 7701 Greenbelt Rd # 102 Greenbelt, MD 20770 Phone : (301) 513-0230 Telesec Corestaff Business Category Employment Agencies Employment Contractors-Temporary Help Employment Service-Employee Leasing Demonstration Services Merchandise Business Services Management Consulting Direct Selling Establishments Advertising Employment Consultants Trade Show Exhibits