Safety, Quality, Integrity


Sun, April 26, 2015

As a provider of essential services to industry facilities that operate 24/7/365, we maintain a 24/7/365 communication system so as to respond instantly to our clients' needs.

Main Office:


4931 Park Road

Benicia, CA 94510


FX: 707.745.5619


Call 707.747.7500

When our clients need us we are here. Give us a call at the phone number listed above any time, day or night. If your inquiry is not an emergency and you prefer to contact us by fax during regular business hours, or by mail, please use the contact information found in the left column.


Corey Delta has trained craftspeople utilizing industry standard curriculum since 1983. Our training has proven it's portability on many occasions and, until recently, we offered welding training in Sonora, Mexico.   

Many of our craftspeople possess nationally accepted certifications of journeyman status obtained through our NCCER training classes.

Corey Delta is a proud member of the Nevada Mining Association

Amigos (Arizona Mining Association).