Local 12 Officers

​​Ronald J. Sikorski, Business Manager & General Vice President

Larry Davison, President

David Garbarino, Vice President

Shawn Kinsey, Recording-Corresponding Secretary

David Sikorski, Financial Secretary

Carl Mendenhall, Treasurer

​ ​Operating Engineers Training Trust
Larry L. Hopkins, Director of Training


What is an

Operating Engineer?

Operating Engineers are highly trained, skilled professionals who...

  • Operate heavy construction equipment on high-rise buildings, roads and freeways, residential developments, dams, waterways, airports, and underground tunnels; or

  • Do specialized work operating cranes, concrete pumps, pile drivers, or drilling equipment; or

  • Perform inspections and testing during construction phase on such things as reinforced concrete, soils, structural masonry, prestressed concrete, structural steel, and welding; or

  • Repair and maintain heavy duty construction equipment, working in shops or on job sites where equipment has broken down; or

  • Work in plants that produce sand, gravel, asphalt, and concrete; or

  • Work on or near the water with dredging equipment; or

  • Evaluate and check the slopes and grade of the Earth



For any inquiries, questions or commendations, please call: (562) 695-0611 or fill out the following form.

If you are inquiring more about our Apprenticeship please click here. It will answer all of your questions. 

Thank you for Visiting OETT Local 12

Home Office

2190 S. Pellissier Place

Whittier, CA 90601



Tel: (562) 695-0611

Fax: (562) 695-4676

DAS 140 Submissions

Email: das@oett.net

Fax: (562) 695-3913

Monday - Friday 7:00 am - 4:30 pm

OETT Local 12