World class heat exchangers and industrial fabrication capabilities for mission-critical equipment
Heat
Exchangers
Shell-and-tube, hairpin, and licensed Helixchanger® fabrication for the duties that punish ordinary steel.
Pressure Vessels & Specialty Equipment
Columns, towers, reactors, drums, and separators in high-alloy and corrosion-resistant
materials.
Retubes, Repairs &
Life Extension
R-stamp repairs, code alterations, and fitness-for-service assessments that earn you another full cycle.
High-Alloy Fabrication & Weld Overlay
Chrome-moly, high-nickel, and exotic alloys with documented weld procedures and modular
PWHT.
Testing, NDE & Code Compliance
In-house NDE, hydrostatic testing, PMI, and full documentation under ASME, National Board, and TSSA.
24/7 Emergency Response & Field Services
The call you make when the plant just went down. Mobilization measured
in hours.
Four reasons customers choose Alliance.
01
Full Support Under One Roof
Engineering, machining, welding, NDE, and modular PWHT all happen in Sarnia. No subcontractor lag, no quality drift between vendors.
02
Deep Metallurgy Depth & Experience
Chrome-moly, high-nickel, weld overlay, dissimilar joins, and first-of-kind procedure qualification. We work in the materials your service conditions require.
03
Complete Accredited Code Shop
ASME U, U2, S, and R stamps. National Board registered. TSSA registered. PED on request. Documentation handed over the way your inspectors want it.
04
Speed When You Need it Most
Code-compliant equipment delivered on timelines other shops quote as impossible. Emergency mobilization 24/7.
When critical equipment fails, every day costs you millions.
Our North American Ontario-based experts are ready to take your call.
GET IN TOUCH
We solve hard problems.
Bring us yours.
For in-service failures, use our 24/7 emergency line
+1 (519) 336-4328
ALLIANCE FABRICATING HEADQUARTERS
763 Chester St. Sarnia, Ontario N75 5N2