Subsite Electronics is a member of the "family of companies" that comprise Charles Machine Works, each focused on meeting the needs of the underground construction industry. At Subsite, we are committed to providing underground construction professionals the most comprehensive suite of electronic products in the industry, including utility locators, Horizontal Directional Drilling (HDD) guidance systems, and equipment machine controls. By listening to our customers, utilizing innovative technologies and providing outstanding after-sale support, Subsite Electronics has become the premier source of electronic technology to support the installation and maintenance of underground pipe and cable.