DOR Gaming
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Field Operations Unit

The Colorado Division of Gaming’s Field Operations Unit comprises eight staff in three offices. Jeff Marone is the Field Operations Unit Manager, based in the Golden office, and is in charge of the slot machine approval process. He also provides oversight of the compliance inspection process for slot machines in the three mountain towns of Black Hawk, Central City and Cripple Creek; evaluation and field testing of new products; and forensic investigations of malfunctioning slot machines by managing a staff of seven Compliance Investigators. Kenny Page is the supervisor of three Compliance Investigators in the Central City office; Mike Hartley is the supervisor of two Compliance Investigators in the Cripple Creek office. The staff are active participants in the Division’s Systems and Machine Approval Committee.


Test Lab Vendors


  • Gaming Labs International (GLI)
    Golden, Colorado/Lakewood, New Jersey



Slot Machine Forms

System Testing Forms

Field Trial Procedures