Safety, Quality, Integrity

Petro Chemical

Thu, July 31, 2014

We are driven to continuously improve our safety performance and the quality and value of the services we provide our valued customers. For 35 years, providing services to oil refineries and chemical plants has been, and continues to be, a large part of our annual business. We're very proud of our long history of oil refinery and chemical plant service.


Contact us today!

Please call us or send an email if you would like more information about our company. We look forward to hearing from you. 

Ph. 707.747.7500
Fx. 707.745.5619
Toll Free: 800.727.2260


Contact Corey Delta Constructors

Our very first services were provided to the Dow Chemical Company at their Pittsburg, California Plant. Soon after, we were providing construction services at one of the Bay Area oil refineries.

Since then, we have continuously provided comprehensive construction and maintenance services at all of the Bay Area oil refineries and at many of the Bay Area's chemical plants, and at oil refineries and chemical plants in the western United States and Hawaii. 

For 35 years, providing services to oil refineries and chemical plants has been, and continues to be, a large part of our annual business. We're very proud of our long history of oil refinery and chemical plant service.

Our Services Include:

  • NEW CONSTRUCTION
  • PROCESS UNIT MAINTENANCE
  • TURNAROUNDS
  • GENERAL FACILITIES MAINTENANCE
  • DAILY MAINTENANCE
  • PLANNING AND ESTIMATING
  • COST TRACKING AND MANAGEMENT
  • PROJECT MANAGEMENT
  • PIPING -- PROCESS, POWER, AND UTILITY
  • EQUIPMENT INSTALLATION AND RIGGING
  • MILLWRIGHT SERVICES
  • STRUCTURAL STEEL AND MISC METAL WORK
  • MECHANICAL INSTRUMENTATION
  • BOILERMAKER
  • CONCRETE FOUNDATIONS AND SITE WORK
  • UNDERGROUND CONSTRUCTION AND MAINTENANCE 
  • PRESSURE VESSEL, BOILER  AND POWER PIPING REPAIR AND ALTERATION (NB "R" CERTIFICATE)
  • NEW POWER PIPING AND BOILER COMPONENTS (ASME "PP" CERTIFICATE)