Core3 offers three core back-office functions -- finance and accounting, payroll and benefits administration, and information technology services. Core3, Inc mostly focuses on servicing small and midsize firms in a cross section of industries, including telecommunications, health care, real estate development, and agriculture. A major portion of its business is from higher education institutions. Core3's Higher Education Services division was created specifically to handle such tasks as financial aid disbursement, student accounts management, and accounts receivable.