News Releases Heffernan Insurance Brokers Merges with Truckee, California-based Sierra Insurance Associates, Inc. November 9, 2020 Email Twitter Linkedin Facebook WhatsApp ReddIt WALNUT CREEK, Calif., Nov. 5, 2020 /PRNewswire/ — Heffernan Insurance Brokers, one of the Thank you for your interest in The Registry. You must Subscribe or Log In to read the rest of this content.