
DOT Certified Cylinder Testing & Fire Safety Experts Serving Clients Locally and Nationwide
We specialize in hydrostatic testing and visual inspections of compressed gas cylinders in many industries. We also provide various parts and supplies in the compressed gas business. Our services are prepared to meet and exceed the demands of our customers. We offer total service of various cylinders. All testing is in accordance with DOT regulations. Please give us a call today!

Professional hydrostatic testing, fire extinguisher service, and compressed gas solutions
- DOT Certified Retest Facility with reliable turnaround times
- Fire extinguisher inspections and pickup service available
- 11+ years serving industrial, medical, and commercial clients
- Competitive pricing with quality guaranteed
Services We Provide
Industrial & Welding Cylinder Services
Professional DOT hydrostatic testing for industrial welding cylinders nationwide. We test oxygen, nitrogen, argon, and specialty gas cylinders with certified precision. Our Shepherdsville facility serves welding shops, manufacturing plants, and industrial contractors with reliable cylinder recertification services.
Medical Gas Cylinder Certification
Complete medical gas cylinder testing and recertification services for hospitals, clinics, and healthcare facilities. Our DOT certified technicians ensure your oxygen, nitrous oxide, and breathing air cylinders meet all safety regulations. Serving medical facilities with pickup and delivery service available.
Fire Extinguisher Sales & Service
Comprehensive fire extinguisher services including annual inspections, 6-year maintenance, hydrostatic testing, and repairs. We serve commercial buildings, industrial facilities, restaurants, and offices. Licensed fire safety professionals with fast service availability.
Fire Protection Cylinder Services
Professional fire protection cylinder testing and refill services with clean agent and CO2. Our certified technicians service CO2 cylinders for industrial and commercial properties.
LP & Propane Cylinder Recertification
Recertification for propane cylinders servicing forklift operations, commercial propane users, and residential clients with DOT compliant cylinder recertification and valve replacement services. We can recertify your propane tank for grills, RVs, and other applications.
Specialty Gas Cylinder Services
Expert handling of specialty gas cylinders including CO2, nitrogen, breathing air, and custom gas mixtures. Our facility provides hydrostatic testing, visual inspections, and refill services for laboratories, research facilities, and specialized industrial applications. We can test larger cylinders for unique applications.
Why Choose American Hydrostatic Services
Reliable Turnaround Times
We provide efficient service for cylinder testing and fire extinguisher inspections. Rush service available for critical needs, with typical turnaround of 1-2 weeks for standard testing.
DOT Certified Excellence
As a DOT approved cylinder refurbishment center, we maintain the highest safety standards and regulatory compliance. Our technicians receive ongoing training to stay current with all federal regulations and industry best practices.
Comprehensive Pickup Service
We offer pickup and delivery service for our clients. Our service extends nationwide, with local coverage for fire inspections typically within 1-2 hours travel time.
Competitive Pricing Guarantee
Get professional cylinder testing and fire safety services at competitive rates. We provide upfront pricing with no hidden fees, and we’ll match or beat any legitimate competitor’s quote for comparable services.

Industries We Serve
Manufacturing & Industrial
Comprehensive cylinder testing for manufacturing plants, steel fabrication shops, automotive facilities, and industrial contractors. We understand the critical nature of your operations and provide reliable service to keep your production lines running.

Healthcare & Medical
Specialized services for hospitals, surgery centers, dental offices, veterinary clinics, and medical equipment suppliers. Our medical gas cylinder expertise ensures patient safety and regulatory compliance.

Restaurants & Food Service
CO2 cylinder testing and refill services for restaurants, bars, breweries, and food service operations. Quick turnaround to keep your beverage systems operational and customers satisfied.

Fire Safety & Security
Professional fire extinguisher services for office buildings, retail stores, warehouses, schools, and government facilities. We help maintain fire code compliance and protect lives and property.

Transportation & Fleet
Propane cylinder services for forklifts and specialty gas services for transportation companies. Keep your fleet safe and DOT compliant with our certified testing services.
