DTH, conventional and reverse circulation hammer and bits, Super Jaws casing advance system. 
http://www.numahammers.com/

Reverse circulation, oil & gas and water well drilling rigs.
http://www.schramminc.com/

Reverse circulation hammer and bits.
http://schrammhammersandbits.com/

Reverse circulation and conventional drill rods, swivels, reverse circulation drill collars.
http://matrixdrillingproducts.com/

Vibration heads, coring heads, drifters and rotary heads for pile rigs.
http://www.eurodrill.de

Premium drilling compounds.
https://www.bestolife.com/

Tools for making up and breaking out for water well, mining and oil & gas industry.
http://www.gearench.com/