Contact HOME CONTACT Drop Us a Line Name * Email * Subject Message Union Contacts Southwest Carpenters Union Local 714 7111 Firestone Blvd. #122 Buena Park, CA 90621 Ph: (714) 766-7140 / Fax: (714) 937-8928 Contact: Jacob Lopez – (714) 860-6109 Email: jlopez@occarpenters.org Laborers Union Local 652 1532 E.Chestnut Avenue Santa Ana, CA 92701 Ph: (714) 542-7203 / Fax: (714) 542-7916 Contact:Adrian Esparza – (714) 542-7855 Email: adrian@local652.org Operating Engineers Union Local 12 3311 W. Ball Road Anaheim, CA 92804 Ph: (714) 827-4591 / Fax: (714) 827-0113 Contact:Thomas Drennan – (626) 807-5551 Cement Masons Union Local 500 Area 52 Orange County 331 Corporate Terrace Circle Corona, CA 92879 Contact: Jack Alvarado Email: jack.opcmia@yahoo.com OC 405 Partners OC 405 Partners, the Joint Venture of OHL USA, Inc. (OHL) and Astaldi Construction Corporation (Astaldi), in conjunction with subcontractors, have teamed up to provide the Orange County Transportation Authority with some of the greatest minds in the industry to design and build the I-405 Improvement Project. We are the Team to deliver the I-405 Project! Helpful Links OHL North America Astaldi Construction Corporation Orange County Transportation Authority DBE Information Project Information (858) 251-2200 info@oc405.com OCTA Public Outreach www.octa.net/405improvement (888) 400-8994 405project@octa.net 2021 © OC 405 Partners, All rights reserved.