VTOL vs CSTL Comparison

Bristow Group Inc is the provider of vertical flight solutions. The group provides aviation services to a broad base of offshore energy companies and government entities. Its business comprises three reportable segments: Offshore Energy Services, Government Services, and Other Services. Its customers in Australia, Brazil, Canada, Chile, the Dutch Caribbean, the Falkland Islands, India, Ireland, the Kingdom of Saudi Arabia, Mexico, the Netherlands, Nigeria, Norway, Spain, Suriname, Trinidad, the UK, and the U.S. offshore energy customers use services to transport personnel to, from and between offshore energy installations.

Castle Biosciences Inc is a molecular diagnostics company. The group provides test solutions for the diagnosis and treatment of dermatologic cancers, Barrett's esophagus (BE), and uveal melanoma. The product portfolio of the company includes DecisionDx-Melanoma, a risk stratification gene expression profile (GEP) test; DecisionDx-SCC, a risk stratification test for cutaneous squamous cell carcinoma; MyPath Melanoma, a diagnostic GEP test for use in patients with difficult-to-diagnose melanocytic lesions; and TissueCypher, a test to predict future development of progression of high-grade dysplasia and/or esophageal cancer. It also provides DecisionDx-UM, a risk stratification GEP test. The company also offers its products to the skin cancer and gastroenterology markets.