Donan, part of the Alpine Intel suite of services, answers the challenging questions about property loss and product failures. Our nationwide team of licensed engineers offer definitive insights into the underlying cause of loss, delivering actionable intelligence through peer-reviewed reports. Donan’s Component Testing Laboratory (CTL) operates as a full-service facility to address all your product-failure needs as close to first notice of loss as possible. Servicing our customers for over 75 years, we are well-equipped to tackle complex inquiries concerning property damage.