Dayton Certified Welding Inc. is a Southern California union welding company. We perform expert field welding services throughout California from small private projects to large major infrastructure projects.

We are set up to successfully weld

Carbon Steels
Iron Castings
Reinforced Steel
Stainless Steels
HSS
Alloyed Steels
Aluminum

All our welders are Union trained expert welders/fitters, certified to

AWS D1.1, D1.8, D1.2
ASME Section IX
B31.1
B31.1
API 1104