Skip to main content

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 03/02/2026)

📄 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 03/02/2026)

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 Mar 02, 2026
Back to Top