Aircraft Component Manufacturers We Service
OEM-aligned ECS repair capability, rooted in our team's manufacturer background.
QTC's founders are former OEM engineers from Hamilton Sundstrand and Honeywell. That manufacturer background gives us a design-level understanding of the environmental control system components we repair and overhaul. Select a manufacturer to see how we support its component lineage.
Collins Aerospace
formerly Hamilton Sundstrand
Our founders are alumni engineers of Hamilton Sundstrand — the heritage behind Collins Aerospace ECS.
121 part numbers in our catalog
Learn more →Honeywell
FAA & EASA certified repair and overhaul of Honeywell-lineage aircraft ECS components.
148 part numbers in our catalog
Learn more →Parker Hannifin
Repair and overhaul of Parker-lineage pneumatic, hydraulic, and fluid-control aircraft components.
8 part numbers in our catalog
Learn more →Liebherr-Aerospace
Repair and overhaul of Liebherr-lineage air management and ECS aircraft components.
44 part numbers in our catalog
Learn more →Request a Quote
Send us your part numbers and condition. Our engineers respond with repair scope, turnaround, and pricing.