CSTL vs TNC Comparison

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.

Tennant Co is a manufacturer of floor cleaning equipment, wood flooring, and wood products. It operates in four geographic business units including North America; Latin America; Europe, Middle East, Africa; and Asia Pacific. The company offers products and solutions consisting of mechanized cleaning equipment, detergent-free, and other sustainable cleaning technologies, aftermarket parts and consumables, equipment maintenance and repair service, specialty surface coatings, and business solutions such as financing, rental and leasing programs, and machine-to-machine asset management solutions.