I will say
DedicatedSolutions, I have been using it myself for last 1 year and till now there has been no down time, it’s extra ordinary to get such smooth service and why won’t it be? They have magnificent setup with 3 of the largest Data Centers in the world located in various countries and 2 more been added soon, so they guarantee us 100% Uptime, it’s very rare from any company since most we hear is 99.9% but here it’s 100% guarantee which shows the confidence!