Well the reliability is very important to compete and maintain customer relations. As far as services are concerned,well it truly depends on the companies one second frequencies to their customers which is also an important agenda/priority...
Try to compare these reliable dedicated server hosts:
1)
GTHost.com
2)
ServerUnion.com
3)
Speedhost.in
Great server stability (practically NO downtime and outages).
Compare them and choose the best.