This registry lists the companies having gone through the ONE Order certification program.
- Airlines – Any airline that deploys and support ONE Order communication messaging and capability
- Vendors and IT providers – any vendor that offers ONE Order solutions and services (OMS, Delivery Provider, Accounting) can become ONE Order capable
Found 29 ONE Order Companies
| Company Name | Company Type | Certification / Registration Type | Category |
| Accelya | Accounting Provider | ONE Order Capable | ONE Order Accounting - Flight & Ancillaries |
| Accounting Center of China Aviation | Accounting Provider | ONE Order Capable | ONE Order Accounting - Flight & Ancillaries |
| Alibaba Cloud | Order Management Provider (OMS) | ONE Order Capable |
ONE Order Accounting - Flight & Ancillaries
ONE Order Delivery - Ancillaries |
| Amadeus IT Group, S.A. | Order Management Provider (OMS) | ONE Order Capable |
ONE Order Accounting - Flight & Ancillaries
ONE Order Delivery - Flight & Ancillaries |
| Beijing Symbiosys Information Technology Co., Ltd | Order Management Provider (OMS) | ONE Order Capable |
ONE Order Accounting - Flight & Ancillaries
ONE Order Delivery - Flight & Ancillaries |
| China Southern Airlines | Airline | ONE Order Certified |
ONE Order Accounting - Flight & Ancillaries
ONE Order Delivery - Ancillaries |
| Cirravia | Order Management Provider (OMS) | ONE Order Capable |
ONE Order Accounting - Flight & Ancillaries
ONE Order Delivery - Flight & Ancillaries |
| Hewlett Packard Enterprise | Order Management Provider (OMS) | ONE Order Capable |
ONE Order Accounting - Flight & Ancillaries
ONE Order Delivery - Ancillaries |
| IBS Software | Order Management Provider (OMS) | ONE Order Capable |
ONE Order Accounting - Flight
ONE Order Delivery - Flight |
| ISO Software Systeme GmbH | Order Management Provider (OMS) | ONE Order Capable | ONE Order Accounting - Flight & Ancillaries |