Founded in 1998 by four engineers, Prime Horizontal provides horizontal directional drilling guidance, downhole tooling and post-installation pipeline mapping. The company pioneered HDD underground intersects and developed its ParaTrack guidance work with Vector Magnetics, while its international team now supports projects from offices across the UK, the Netherlands, America and Australia. Prime Horizontal has grown to more than 55 employees and reports 475 years of collective field HDD experience.
Sentinel SolutionsChuck Skillman founded Sentinel Solutions in 2016 after building field experience in construction, underground work, and directional drilling. The company serves underground construction contractors nationwide, pairing practical jobsite knowledge with engineering to develop solutions for difficult drilling and fluid-management work.HOLTSVILLE, NY
RadiodetectionFounded in 1977, Radiodetection is a globally recognized company known for helping utility professionals manage underground infrastructure safely. Its equipment and digital solutions help customers locate buried utilities, with operations spanning more than 60 countries. Radiodetection is part of SPX Technologies and has expanded its capabilities through brands including Schonstedt and Sensors & Software.KEARNEYSVILLE, WV
Schonstedt Instrument CompanySince 1953, Schonstedt Instrument Company has designed and manufactured underground locating instruments, including magnetic locators for buried iron objects and pipe-and-cable locators for tracing utilities. Based in Kearneysville, West Virginia, the company has shipped more than 400,000 locators worldwide and joined Radiodetection and SPX Technologies in 2018. Its instruments have also supported humanitarian demining efforts through the Schonstedt Humanitarian Demining Initiative.KEARNEYSVILLE, WV
N&N Drilling Supply MfrN&N Drilling Supply Mfr. began in 1967, when Angelo Nieto ran the company from a two-person garage operation; today, the Nieto-led business employs 35 people and serves drilling customers around the world. Its Jessup operation manufactures in-hole drilling equipment, with core barrels among its established specialties, while its U.S. locations support geotechnical, water-well, environmental and exploration work.JESSUP, PA