Sanjel is one of the companies the U.S. House Committee on Energy and Commerce is investigating on the potential environmental impacts from hydraulic fracturing.

"Sanjel Corporation is a privately owned, Canadian-based, international oilfield service company with over two and a half decades of industry experience. As a major competitor in the global oil and gas market and the largest privately owned oilfield service company in Canada, Sanjel offers five specialized service lines including Acidizing, Cementing, Coiled Tubing, Fracturing and Nitrogen."