OEM stainless steel tank manufacturer
Precision. Scalability. Engineering expertise
All Custom Tanks (ACT) is a dedicated business unit
of AIC S.A. focused on the design and manufacturing
of custom stainless steel water tanks for OEM systems. We support our partners with engineering, prototyping and scalable production — from pilot batches to high-volume manufacturing.
The reliability of an engineering-driven manufacturer
With over 25 years of experience in stainless steel pressure equipment, ACT combines engineering expertise with automated manufacturing.
We design and produce stainless steel buffer tanks, indirect water heaters and chilled water tanks for OEM systems — always tailored to specific performance and integration requirements.
Our stainless steel–dedicated facility eliminates contamination risk and ensures consistent, high-quality production. From low-volume prototypes to large-scale series, our automated production line guarantees repeatability, precision and scalability.
We engineer solutions, not just tanks
Engineering support
From concept to final product — we help design tanks optimized for your system.
Manufacturing precision
Automated production ensures consistent quality across every unit.
Scalable production
From prototype to 100,000+ units — same technology, same quality.
What makes ACT a reliable OEM partner
Engineering
& Technology
20+ years of stainless steel engineering expertise
Custom tank design for HVAC, hot water and energy systems
Advanced laser welding for long-term durability
Fully automated and repeatable production process
Stainless steel–dedicated facility (no contamination risk)
Production
& Supply
Scalable OEM tank manufacturing
(prototype to mass production)
Up to 30 million liters annual production capacity
Flexible production volumes — no MOQ limitations
Certified European stainless steel supply chain
Full material traceability and quality control
Our expertise
in stainless steel
tank manufacturing
We design and manufacture custom stainless steel tanks for a wide range of OEM applications in heating, HVAC and energy systems.
→ Stainless steel buffer tanks
→ Indirect water heaters
→ Chilled water tanks
→ Custom stainless steel pressure tanks
→ OEM tank manufacturing
Why OEM partners
choose ACT
We help manufacturers simplify their supply chain while maintaining full control over quality, performance and scalability.
Short Lead Times
We align with your production schedule
Fast Quotation Turnaround
We respond quickly to engineering
and commercial requests
Technical Optimization
We improve tank design for performance,
cost and manufacturability
Scalable production
From pilot batches to high-volume series
Looking for
a reliable OEM
tank partner?
Work with our engineering team to design and manufacture custom stainless steel water tanks tailored to your system.
Contact our
engineering team
