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Veterans Day Closure: The Oklahoma Department of Labor will be closed Wednesday, November 11, in observance of Veterans Day. Regular business hours will resume Thursday, November 12. We thank all who have served our country.


Alarm, Locksmith, Fire Sprinkler and Welder licensees: Processing will be temporarily interrupted in December as we move to a new online licensing system. Read the full licensing notice.

 

Licensing Window Information: 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.  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 09/08/2026)

📄 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 09/08/2026)

Boilers & Pressure Vessels

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

Hot Water Heaters

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

⚠ 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.

🔗 Report a Safety Concern

Or contact us directly:
📞 (405) 521-6100
✉️ labor.info@labor.ok.gov

Last Modified on Sep 08, 2026
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