Oltmans remains open and operational as an essential business. All offices are closed to the public. Click here for COVID-19 updates. Giving Back Subcontractors News & Events Case Studies Careers Contact Employees Search ABOUT PROJECTS SERVICES EXPERTISE The Pegasus School, Huntington Beach 2021 Best Renovation Project. Delivery of a new science and technology facility. What's New | See All News & Events 2021 OC Spire Awards Winner - The Pegasus School Science Center more Case Studies | See All Case Studies Before & After: Reveal of the First Bridge Housing Project West of the S... more ©2021 Oltmans Construction Co. All rights reserved. 10005 Mission Mill Road, Whittier, CA 90601 (562) 948-4242 Privacy Policy | Terms of Use | Contact JOIN Get our newsletter for the latest updates Follow Us