In a nutshell, we manufacture and repair down hole drilling tools for the Raisebore, Horizontal Directional Drilling (HDD), Mining and Oilfield Industries.

Our History

1990 — Established

TRANSCO MFG Australia was established in Adelaide, South Australia in 1990 as a mining / oilfield / industry services tooling company specialising in the inspection, repair, design and manufacture of raise drill string and down hole drilling tools.


In 1991 TRANSCO registered Transcontinental Supplies in the United States.


In 1998 TRANSCO began manufacturing hole openers, barrel reamers, fly cutters, ring stabilizers, roller reamers and other drilling tools for the Horizontal Directional Drilling (HDD) Market.


TRANSCO began manufacturing down hole drilling tools for the Oil and Gas industry. Also providing the rental of mud motors, jars, shock subs, stabilizers and other tools, drilling equipment and servicing of client owned equipment for the oil and gas industry.


TRANSCO increased its production and versatility by opening an additional manufacturing workshop to compliment Transco’s workshop (No.2).


TRANSCO introduced PDC Bit Refurbishment into the Australian market for the Oil and Gas industry.


TRANSCO employed a full time rock bit and cutter design engineer.

TRANSCO increased its production and versatility by opening an additional manufacturing workshop (No.3)to compliment Transco’s other two workshops and commenced manufacturing its own patented hole opener cutters and rock bits in this new state of the art facility.


TRANSCO commenced manufacturing large integral single pass off shore hole openers for the North Sea oilfield market up to but not limited to 42" hole size.


TRANSCO registered a patent for its cutter retention system.


TRANSCO opened a warehouse and office in Dallas to service the US Horizontal Directional Drilling (HDD) market.


TRANSCO attained accreditation for American Petroleum Industry (API) Q1 & ISO9001 qualifications.


TRANSCO increased its warehouse space and cutter assembly and refurbishment ability with the building of an additional workshop (No.4).


TRANSCO attained accreditation for American Petroleum Industry (API) Spec 7.1 qualification.

TRANSCO increased its production and large machining capacity by establishing another workshop (no.5) to compliment Transco’s other four workshops.


TRANSCO placed inventory into Thailand in partnership with HDD Thailand to better serve the Horizontal Directional Drilling (HDD) and Oilfield market in and around Thailand, including stock warehousing, mud motors, rental equipment / down hole tool repair and servicing, to cater to the growing Asia infrastructure market.


TRANSCO opened a workshop and office in Germany and registered the name Transco Down Hole Drilling Tools GMBH.


TRANSCO's new adminastation facility commenced construction at the Adelaide manufacturing location 


TRANSCO appointed two additional representatives , 'Pilot Hole Bit Services' in Lafayett USA 


TRANSCO placed inventory into Lafayette USA in partnership with Pilot Hole Bit Services

including a full range of TRANSCO medium and hard rock HDD Hole Opener bodies and cutters


Contact us Today

Head office, Adelaide, South Australia

Phone    +61 8 8326 5599
Office    3 Hull Court, Lonsdale SA 5160

We have a presence in Australia, Germany, Thailand and the United States.

View our other locations

Other Resources

Download our booklet (PDF, 2mb)   Follow our company on linked in

Quality is integral to everything we do. Quality is everyone’s responsibility. TRANSCO will continuously improve its customer service to better satisfy the needs of its customers and will deliver to them—on time and every time—defect-free products and services conforming to customer requirements and industry standards .

api spec q1 0831qms registered iso 9001 20157 1 1081