The Colas Ethics Hotline is answered twenty-four hours a day, seven days a week by an outside service. When you call, you will be asked for the general nature of your concern so your call can be appropriately handled. You may call anonymously. All matters will be handled in a manner consistent with the Colas USA Ethics Hotline Policy.
Colas Ethics Hotline*:800-461-9330
*Administered by Convercent