Skip to main content

Licensing Window Information:Ā Please be advised that our licensing windows are now located on the first floor. The hours of operation are as follows: Thursdays: 8:00 a.m. to 12:00 p.m.Ā Ā Mondays, Tuesdays, Wednesdays, and Fridays: 8:00 a.m. to 4:00 p.m. We accept payments via check, money order, and most major credit cards. We do not accept cash under any circumstances.

Boiler & Pressure Vessel Certification and Compliance Information

Use this page to verify current certifications and view active boilers, pressure vessels, and hot water heaters in Oklahoma.

Licensed Individuals & Companies

(List is current as of 12/01/2025)

šŸ“„ Certification for Installation, Service & Repairs
List of individuals and companies currently certified by ODOL to install, service, and repair boilers and pressure vessels.

Active Boilers & Hot Water Heaters

(Each list is current as of 12/01/2025)

Boilers & Pressure Vessels

šŸ“„Ā Master Active Boiler & Pressure Vessel List
Complete list of all currently active boilers and pressure vessels in Oklahoma.

Hot Water Heaters

šŸ“„ Master Active Hot Water Heater List
Complete list of all currently active hot water heaters in Oklahoma.

āš  See Something Unsafe?

If you believe a boiler, pressure vessel, or hot water heater is unsafe or being operated without proper certification, please let us know.

šŸ”—Ā Report a Safety Concern

Or contact us directly:
šŸ“ž (405) 521-6100
āœ‰ļøĀ labor.info@labor.ok.gov

Last Modified on Dec 02, 2025
Back to Top