The Liner Hanger Specialist.
American Made.
For over 25 years, Allamon Tool Company has engineered and manufactured liner hanger systems built to perform in the harshest downhole environments. Designed in the USA. Proven in the field.
Liner Hanger Systems Built for Operators Who Cannot Afford to Fail
ATC specializes exclusively in liner hanger systems and complementary completion tools. We do not split focus. We do not hand off your job to a junior team. Every tool we build is engineered, machined, tested, and supported by people who do this every day. Under one roof. In the United States.
ATC Premium Liner Hangers
Liberty™ Liner Hangers
Single-piece mandrel, zero leak paths, industry-leading torque performance. 25+ years. 2,000+ U.S. installations. The liner hanger operators trust when failure is not an option.
Liberty Sub-System
Patriot Running Tools
Anti-release feature, extreme torque capability. All setting functions integrated — faster installs, fewer connections, less NPT. Runs the Liberty downhole and exits cleanly.
Endeavor Flotation Technology — New Line
Endeavor Flotation Technology
Premium float shoes, float collars, flotation collars with Shatter Glass Technology, and wiper plugs — built for pressure control and circulation reliability at every pressure rating.
Accessories
ATC Casing Accessories
Purpose-built accessories designed to work seamlessly with ATC liner hanger and flotation systems. Details coming soon — contact your ATC rep for current availability.
20,000 Sq Ft.
Montgomery, Texas.
Endeavor Flotation Technology
US Basins.
Growing Internationally.
Built Different. Because It Has To Be.
At ATC, 85% of every tool is manufactured in-house at our Montgomery, Texas facility. That means we control quality from raw steel to final pressure test — no outsourced shortcuts, no compromises.
- Single-piece mandrel design
No leak paths, maximum tensile and torque strength — engineered for the most demanding horizontal wells.
- 100% pressure tested before shipment
Every tool is tested to specification before it leaves our facility. No exceptions.
- 25,000 ft-lbs torque — proven in the field
Fully rotatable with extreme torque endurance. 5-day rotation tests. Handles what HPHT horizontal wells demand.
- Custom-engineered to your well
Not a catalog pick. We engineer tools to your specific conditions — formation, pressure, temperature, depth.
- Faster installs than competing systems
Integrated setting functions and fewer connections mean less rig time and a cleaner run downhole.
- Responsive field support
We answer when you call. Smaller company, faster decisions, better support — no call center, no queue.
Active in the Most Productive Basins in America
Permian Basin
Haynesville
Gulf Coast
Mid-Continent
North Dakota
International
Contact Your ATC Rep Today
Talk to a ATC specialist about your well requirements. We respond fast and we get it right.