U.S. Well Services Inc is an oilfield service provider of well stimulation services to the upstream oil and natural gas industry. The company is engaged in high-pressure hydraulic fracturing in unconventional oil and natural gas basins in the United States. The fracturing process consists of pumping a specially formulated fluid into perforated well casing, tubing or open holes under high pressure, causing the underground formation to crack or fracture, allowing nearby hydrocarbons to flow more freely up the wellbore.
AEterna Zentaris Inc is a specialty biopharmaceutical company. It is involved in the development and commercialization of novel pharmaceutical therapies, drug development activities and promotion of products for others in oncology, endocrinology and women's health. The company focuses on the acquisition of licenses to products that are relevant to their therapeutic areas of focus. Its primary product is Apifiny. It is developing Macrilen, Zoptrex and AEZS drugs in the pipeline. https://www.zentaris.com/