Safety, Quality, Integrity


Wed, September 20, 2017

Since 1974, Corey Delta has been a provider of new plant construction, operations assistance, maintenance, scheduled outages and emergency work covering a wide spectrum of industry.

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. 925-370-9877

Contact Corey Delta Constructors

Contract Maintenance Work:

Corey Delta is committed to providing our clients with skilled, safety-conscious employees. Our crews are experienced in many types of plants from cement production to petroleum refining to food and beverage production.


Corey Delta will provide the following skilled craftsmen to assist with maintenance work, plant shut-downs and emergency call-outs:  
  • Mechanics
  • Millwrights
  • Carpenters
  • Pipefitters
  • Instrument Fitters
  • Concrete Finishers
  • Certified Structural and Pipe Welders
  • Ironworkers
  • General Labor
  • Equipment Operators 

Tools and Equipment:

Corey Delta stocks a vast inventory of tools and consumable items used in the maintenance of process and manufacturing plants. This relieves our clients of the burdensome task of purchasing, inventory control and replenishment. Our fleet of (owned) equipment is well-maintained and ready at any hour of the day or night to support our crews.


Corey Delta has a documented training program for our employees, to better provide our clients with a skilled workforce:  
  • Supervisors Skills Training
  • NCCER (National Center for Construction Education and Research) Craft Skills Training in Welding, Pipefitting, Millwright, and Carpentry
  • BATC Metal Skills
  • Project Specific Craft Skills Training such as: Linebreaking, Proper Flange Joint Assembly, Hydrotesting, High Torque Bolting, PVC Pipe Joining, HDPE Butt Fusion Welding, etc. 

Reduction of Administrative Costs:

Corey Delta is responsible for all project-specific costs associated with the processing and qualification of our employees.