Lazard is serving as financial advisor and Kirkland & Ellis LLP and Covington & Burling LLP are acting as legal counsel to Berkshire Partners and Warburg Pincus. Triumph was founded in 1993.

Warburg Pincus and Berkshire Partners are in advanced talks to acquire aircraft parts and services supplier Triumph Group Inc. for about $3 billion, including debt, according to people familiar with ...