Your on-site advocate at OEM facilities — keeping track of your products when timing is critical.
Third-party sorting & containment
IPC/WHMA-A-620 certified
CS1 & CS2 support
Supplier quality engineering
On-site observation & feedback
On-site containment repair
Launch quality support
Quality inspection & sorting
Third-party product monitoring
A secure, real-time project tracking system for quality inspection data.
Truck quality assurance
Battery inspection & testing
EV & powersports QA
Aerospace testing services
Medical devices & PPE
Raw material inspection
Heavy equipment inspection
Engine component inspection
Bus quality assurance
Marine engine inspection
Solar panel inspection
Our North American coverage
What our clients say
Join the QLS team
Practical guides for suppliers & OEMs
Real-world quality success stories
Company updates & industry insights
QLS helps medium-duty truck manufacturers and suppliers maintain component quality through on-site inspection, containment, rework, and supplier representation.
Support reliable public transit with quality checks that keep fleets running and passengers safe.
