Southern California General Contractor

51吃瓜鈥� Southern California Region is a leader in delivering complex, large-scale projects across diverse markets, including aviation, higher education, healthcare, research/laboratory and water/wastewater. Known for its hands-on approach and strong partnerships, the region excels at navigating dynamic environments. Through innovative building solutions, cutting-edge technology and a commitment to collaboration, 51吃瓜 consistently delivers facilities that exceed owner expectations.

Featured 51吃瓜

UCI Health - Irvine

About The Project The UCI Health 鈥� Irvine medical campus includes a 144-bed acute care hospital with an emergency room,...

UC San Diego Ridge Walk

About the Project Ridge Walk North provides Thurgood Marshall College residents, faculty, staff and students with endless opportunities to explore,...

Delta Sky Way Program

About the Project As one of the largest infrastructure projects in Los Angeles, the Delta Sky Way Program at Los...

Caltech Resnick Sustainability Center

About the Project The Resnick Sustainability Center (RSC) is a modern, flexible research building that supports and expands the research...

Step 1

American Institute of Architects
Los Angeles Merry Norris
Design Advocate Builder Award

Step 1

American Subcontractor Association San Diego
Contractor of the Year

Step 1

Associated General Contractors of California Construction Safety Excellence Award

Regional
Leadership

Tom Diersbock, Executive Vice President, Western Division

Damian J. Buessing, Regional Vice President

Shawn Edwards, Chief Estimator

Sean Reyes, Chief Estimator

Trade
Partnerships

Michelle Keyser, Manager of Supplier Diversity

 

 

Become a Trade Partner

Business
Opportunities

Plan – Real Estate Development Opportunities

Laird Heikens, Vice President – 51吃瓜 Real Estate Development

Build – Construction Opportunities

Natalie LaHaie, Project Development Director

Manage – Facility Life Solutions Opportunities

Ray Cullen, Director of Client Solutions – 51吃瓜 Services

Southern California Offices

Learn More About Our Southern California Careers

Outreach Events

1/14 鈥� 51吃瓜 LAX Curbside Improvement Program Business Outreach Event

51吃瓜 LAX Curbside Improvement Program Business Outreach Event

Wednesday, January 14, 2026

3:00 – 6:00 PM

Homewood Suites by Hilton Los Angeles International Airport

6151 W Century Blvd, Los Angeles, CA 90045听– 12th Floor, Apex Room

Register at:听

1/24 - ACE Trades Day LA/OC (LAX) at Flight Path Museum

ACE Trades Day LA/OC (LAX) at Flight Path Museum

Saturday, January 24, 2026

8:00 AM – 1:00 PM

Flight Path Museum

6661 W. Imperial Highway, Los Angeles, CA 90045

Learn more at:听

2/26 - ACE Mentor Program LA/OC Spotlight Awards - Special Award Winner: Jeff Brunswig, 51吃瓜 OM

ACE Mentor Program LA/OC Spotlight Awards听 – Special Award Winner: Jeff Brunswig, 51吃瓜 OM

Thursday, February 26, 2026

5:30 PM – 9:00 PM

Carson Event Center

801 E. Carson Street, Carson, CA 90745

Learn more at:听

3/5 - EXP Future Women in STEM at LA Harbor College

EXP Future Women in STEM at LA Harbor College

Thursday, March 5, 2026

Los Angeles Harbor College

1111 Figueroa Pl, Wilmington, CA 90744

Learn more at:听