Gill Rock Drill Co.
Manufacturer, distributor and service provider of drill rigs, rotary drill pipes, adaptors and stabilizers used in the drilling industry.
http://www.gillrockdrill.com/

Burrell Implement Company
Burrell Implement Co. - Implement dealer specializing in used and rebuilt John Deere parts and equipment as well as other items such as salvage cars. Call (580)227-4494.
http://www.burrells.net/

Christensen Products
Supplies products for mineral exploration, environmental, geo-technical, civil engineering, and underground drilling industries. Diamond drill bits, core barrels, drill rod, casings, augers, and drill rigs.
http://www.christensenproducts.com

HollyPipe
FW 8 DW 8 HTML
http://www.hollypipe.com/

Drill String Services, Inc.
Specializes in drill pipe inspection and CNC lathe machining services, drill pipe and drilling components. Facilities in both Louisiana and Texas serving the Gulf Coast. Includes a detailed list of services.
http://www.drillstringservices.com/

Omsco
A global provider of drill pipe and drill string components. Includes a catalog of products.
http://www.omscoind.com/

Rockmore International
Rockmore International manufactures drill bits, drill rods, drill accessories and other hard rock drilling tools used in mining and construction.
http://www.rockmore-intl.com/

Haedong Special Machinery Co., Ltd.
Manufactures special cutting tools, gun reamer, burnishing drill and burnishing reamer, twist step drill, 3S drill, form tools.
http://www.hamcotool.com

Cenco Grinding Corp.
drill blanks
http://www.cencogrinding.com/

Drill Jig Bushing Co (Madras) Pvt. Ltd.
Drill Jig Bushing Co. (Madras) Pvt. Ltd., is one of the largest and certainly the most reliable manufacturer of Drill Jig Bushings, Drill Collets, Gun Drill Bushings, Guide Pillars and Bushings, Dowel Pins and Locating Pins in the World
http://www.drillbush.com