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Colorado has contracted with the following Ignition Interlock providers:
1A Smart Start, Inc.
866-348-4294
smartstartinc.com
#1 A LifeSafer of CO
800-475-5490
lifesafer.com
Intoxalock
844-611-3710
intoxalock.com
Guardian
855-217-2072
guardianinterlock.com
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