4. Dell EMC
Dell EMC shipped 8,151 servers through the channel in the U.S. during the second quarter, according to NPD. While that total was bested some major competitors, the Round Rock, Texas, IT behemoth was the only major vendor to register an increase in the number of units shipped, and it wasn't a small increase. Dell EMC beat its total from the second quarter of 2016 by 31 percent, and it finished the quarter with a 7.8 percent unit share, an increase of 2.4 percent over the same period a year earlier.