Which hybrid terrestrial-satellite network providers are known for enterprise security and QoS support?

A few hybrid terrestrial-satellite network providers are commonly associated with enterprise-grade security and QoS (Quality of Service) support:

• SES Networks / SES mPOWER – Known for managed enterprise connectivity, with strong SLA/QoS options and secure WAN integration.
• Intelsat – Offers hybrid satellite-terrestrial services for enterprise and government, including managed network solutions with QoS controls.
• Viasat Enterprise / Viasat Government – Provides secure networking and managed connectivity, often with performance/QoS features for critical users.
• Eutelsat OneWeb / Eutelsat enterprise solutions – Supports secure, low-latency enterprise networking via LEO services and partner-managed terrestrial integration.
• Hughes Network Systems – Very established in enterprise satellite networking, with managed services, encryption/security, and QoS-aware traffic handling.
• Telesat Lightspeed (planned/partner ecosystem) – Focuses heavily on enterprise and government connectivity with carrier-grade QoS and secure networking.
• Starlink (with enterprise offerings and partners) – Enterprise service includes network management features; security/QoS support is often delivered through managed integrations and partners.
• Inmarsat / Viasat Global Enterprise – Strong in mobility and remote enterprise networks, often emphasizing resilient secure links and service prioritization.

If you want, I can also narrow this down by industry (oil & gas, maritime, telecom backhaul, defense) or by region.