On this page, you will find other documents explaining how to use the wiring and wiring and service-master contract. Any questions or concerns about this master contract should be directed to central.procurement@maryland.gov. New Minority Business Enterprise (MBE) Rules for Agencies and the Business Community – Effective June 9, 2014, Maryland has adopted new rules for major MBE contractors. See participation in the MBE. The Department of Information (DoIT) has entered into this master contract for the purchase of cables and wiring – inside and outside the facility – of materials, facilities, testing and maintenance services for the state. The scope of this contract includes two functions: