Charles Machine Works and its family of companies serve the entire spectrum of the underground utility construction industry.

Ditch Witch®

DITCH WITCH® Forged 1949

Ditch Witch invented the underground utility construction industry and today we design, manufacture and market the most complete line of directional drills, vacuum excavators, trenchers, mini-skid steers and performance parts. Handcrafted in the USA, our products are supported by the Ditch Witch dealer network with over 175 locations worldwide.

Subsite® Electronics

SUBSITE® Forged 1991

Subsite Electronics provides underground construction professionals the most comprehensive suite of electronic products in the industry, including utility locators, HDD guidance equipment, and machine controls. All of our products are handcrafted in the USA and distributed worldwide.


DW/TXS® Forged 2001

The DW/TXS Joint Venture is focused exclusively on developing and adapting horizontal directional drilling technology and know-how to meet the unique demands of developing countries. Our products are manufactured in Beijing, China, and distributed throughout Asia Pacific and other emerging markets worldwide.


HAMMERHEAD® Forged 1989

HammerHead provides innovative trenchless equipment and unsurpassed field support and project consultation to the leading contractors in the world that install and rehabilitate underground infrastructure. HammerHead products are proudly made in the USA and sold and serviced in more than 63 countries worldwide.

Radius® HDD

RADIUS® HDD Forged 2011

Radius HDD is a customer-centered HDD tooling manufacturer that services customers of all major brands including Ditch Witch, Vermeer and American Augers. Our products are designed and manufactured in the USA and sold and serviced worldwide.

American Augers®


American Augers builds the largest horizontal directional drills in the industry and a full range of Auger Boring machines. Developed and handcrafted in the USA, with the rugged user in mind, American Augers rigs are built to last and backed with 24-hour worldwide support.


TRENCOR® Forged 1945

Since 1945, Trencor’s large-scale trenchers have revolutionized the pipeline industry. Their rock-solid structure makes them the longest lasting underground equipment line in the world. Many active machines in the field today have logged more than 40,000 hours. Trencor machines are handcrafted in the USA by American Augers.

MTI® Equipment

MTI® EQUIPMENT   Forged 1986

MTI is the most trusted global distributor of used HDD equipment worldwide. We maintain the largest inventory of reconditioned HDD equipment for all major brands. Every machine MTI resells goes through our extensive inspection program and is reconditioned to a customer’s specifications. Our knowledgeable and experienced employee-owners serve customers from 40 countries.