HashCoins officially launched HashFlare in 2015. HashFlare's prices are on the high side, but their low maintenance fees help to make up the difference. Although less trustworthy than some companies, they still rank in the top 5 companies.
BIT-X is a solid cloud mining option, especially for those who aren't willing to take big risks. For the cloud mining industry, BIT-X is a trustworthy company. They offer market-based pricing, which can result in both fantastic deals and mediocre pricing, so you just have to time your purchase. They also give investors an exit strategy, which reduces their risk profile even further.