Side-by-side
AAR Corp vs STS Aviation Group
Two Aircraft MRO / Line Maintenance suppliers compared on Aviation Souk. Stats, certifications, and supplier-declared strengths drawn from the indexed profiles. Both compete in Aircraft MRO / Line Maintenance, AOG, Rotables & Spare-Parts Supply, Aircraft Spares, Parts Distribution & AOG.
Souk's data signal
Where the AI cites each one.
AAR Corp
Rich · 70%
8 products · 0 certs · 0 named installations
STS Aviation Group
Mid · 50%
7 products · 1 certs · 0 named installations
Verified certifications & approvals
AAR Corp
No verified certs surfaced from supplier source.
STS Aviation Group
- ●FAA — Part 145 Repair Station
Top products extracted
AAR Corp
Airframe MROComponent MROParts Supply (new and used)TraxAerostratAirvoyantAirinmarGovernment Programs and Mobility Systems
STS Aviation Group
Aircraft MRO (heavy maintenance)Engine servicesLine maintenanceInterior servicesComponent repair and overhaulMaterials distributionAviation workforce staffing
Procurement comparison
The spec-by-spec breakdown.
| Procurement dimension | AAR Corp | STS Aviation Group |
|---|---|---|
| Country of origin | US | DE |
| Headquarters | Wood Dale, Illinois, USA | — |
| Founded · years in Gulf | 1951 · 15 yrs in Gulf | — · Gulf tenure not declared |
| Categories overlap | Both: Aircraft MRO / Line Maintenance · AOG, Rotables & Spare-Parts Supply · Aircraft Spares, Parts Distribution & AOG Only AAR Corp: CAMO, Maintenance Software & Engineering Services · Aviation Software & Digital Platforms | Both: Aircraft MRO / Line Maintenance · AOG, Rotables & Spare-Parts Supply · Aircraft Spares, Parts Distribution & AOG Only STS Aviation Group: Rotable Exchange, Component Pooling & Inventory Management |
| GCC airport installations | 0 indexed GCC airports | 0 indexed GCC airports |
| Certifications | Both hold: FAA 145 Only here: EASA Part-145, Transport Canada CAR-573, GCAA CAR-145, ISO 9001 | Both hold: FAA 145 |
| Flagship products | 6 flagship products Parts Supply with Trax eMRO + Airvoyant procurement automation · Fleet tear-down and parts-harvesting (whole-aircraft disassembly) · Component MRO — 32,000+ part-number capability network · Engineering Services — STC, ADs, SBs, structural, composite and interiors integration | 6 flagship products Commercial MRO Solutions · Defense Solutions · Aircraft Engineering Support · Aircraft Material Services |
| International airports | 7 indexed | 0 indexed |
| Tier on Aviation Souk | Claimed | Indexed (mid) |
| Decision fork | If your scope includes CAMO, Maintenance Software & Engineering Services, AAR Corp covers it natively. | If your scope includes Rotable Exchange, Component Pooling & Inventory Management, STS Aviation Group covers it natively. |
Decide
Ask Aviation Souk to pick for your brief.
The AI cross-references both suppliers against your specific tender — airport, certifications required, lead time, budget — and tells you which fits.
One form, two RFQs — buyer sends a single brief and both AAR Corp and STS Aviation Group receive it through Aviation Souk.