What cable companies make the best cables and sell them directly?

Grover Huffman. Had to go to AQ robin hood to equal sound quality on my rig settled on Wild for speakers 

I have had good experiences with Morrow Audio MA7 IC's and speaker cables.  reasonable prices and a nice sounding wire.  I preferred the MA7 to MIT shotgun 1.3's and Audience Au24 speaker wire, both of which are also great.  Morrow punches above its weight class and they give you a large credit if you want to upgrade.  Very nice company to deal with.  I have to disagree with @fpomposo in one respect.  I highly doubt that one cable "blew away" another cable.  The differences between cables are not "OMG, its a different system" although there is clearly a difference between cables.  Plus, it is a function of how resolving your system is.  The more resolving -- like in the stratosphere, the more things like cables can be noticed.  I had Focal Diablo Utopia III's with a Pass Labs 250.8 and an MSB DAC, and I could prefer the MA7's over the MIT's for example.  Was it a "blew me away" difference? No.  Was there a subtle improvement? Yes.  When I got Wilson Sabrina X's, I upgraded by speaker cables from the MA7 ($700) to $4000 Shunyata Alpha's.  There was a solid improvement -- definitely better.  But was I crying with dissatisfaction with the MA7's? Not at all.  I was perfectly content with them but got upgradeitis, and there was really nothing more to futz with besides the cables.  So take all of this with a grain of salt.  Cables in your system will not "blow you away."  They can and will make an audible change, but how audible is ear and system dependent.

Hi

I have found that Blue Jeans Cable Company puts together a great cable.

They use Canare and a great 12g wire by Belden.

I have heard the difference ( for real) over other brands.

The turn around is fast too! If you visit their web pages you will be provided with an excellent product description etc.

Good Luck

Ear and system dependent definitely. The difference in the same system can vary wildly, the steps up can be very significant. Besides, there are usually quite a number of cables and power cords in many systems, and if you do it the right way the improvements accumulate with each move you make. But whatever you do with cables it won't radically transform your system, true.

Tempo Electric Cables. Check out their site, not affiliated just a satisfied customer.