Advanced Cylinder Certification, Inc.
Your First Choice and Resource in Pressure
Vessel Certification and Inspection Services
“firing on all cylinders” with 40 years experience providing our clients the expertise they require to be safe and compliant
40 Years Experience
Quality Inspection & Certification
Best Service Worldwide

Who We Are ?
Advanced Cylinder Certification, Inc. (ACC) is a worldwide specialized and approved Independent Inspection Agency with over 40 years’ experience providing inspection and testing services for high and low-pressure vessels and pressurized alternative fuel containers conforming to U.S. Department of Transportation (DOT), Transport Canada (TC) regulations, and most currently accepted international standards. The founding members are father and sons, Frank Jensen, Paul Jensen, and Loren Jensen.
Our Mission:
To defend against cylinder specification infringement, protect the integrity of the vessels and cooperate in all areas available to us, thereby, serving the manufacturer and protecting the safety of the final user.
What We Do?
It’s our passion and priority to be accurate and compliant, while driving speed within everything we do.

Government required independent inspection services

Design review, qualification and type approval testing

Consultation for HAZMAT, Security Awareness training, and factory readiness /fitness consultations

Cylinder requalification facility inspections
What Our Customers Value:
- Driving priority in delivering administrative and inspection deliverables, on time, every time
- Provide Customer full access to significant technical, Security, HAZMAT, and quality control experience related to the pressure vessel industry
- Affordable services while providing the best technical knowledge in the industry
- The mission is to ensure our clients understand our presence as a benefit