There are many providers of stable and reliable servers, including:
1. Amazon Web Services (AWS)
2. Microsoft Azure
3. Google Cloud Platform (GCP)
4. DigitalOcean
5. Vultr
6. Linode
All of these providers offer a wide range of services, including virtual private servers, dedicated servers, and cloud-based hosting. It's important to choose a provider that offers the services you need and has a good reputation for reliability and customer support. Additionally, you may also check the performance and uptime of the provider if possible.
It's recommendable to also compare their pricing, features and security measures as well as the availability of the provider in your area or datacenter location.