Sentinel Supply✓ Verified

Oilfield products manufacturer and foundry. For over 70+ years Sentinel products have been protecting vessels around the world. Whether you are producing oil & gas, storing chemicals or food … Oilfield products manufacturer and foundry. For over 70+ years Sentinel products have been protecting vessels around the world. Whether you are producing oil & gas, storing chemicals or food service products, all Sentinel hatches are still expertly sand cast by hand, featuring the highest quality components available, and are entirely manufactured and assembled in the USA ! We have the ONLY product line who can offer multiple base configurations and custom branding.