Parking Equipment Locks Medeco® offers a variety of parking meter cylinders designed for physical security and route management. These products are available in both mechanical and eCylinder technologies. Nexgen Cam Locks Nexgen Padlocks Mechanical Parking Cylinders Nexgen Lock & Vault Door Factory Authorized Service Centers For industrial or OEM service call 1-800-675-7558, or click here for a list of Parking Security Solution Factory Authorized Service Centers.