CSTL vs TTI 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. The company derives revenues through the delivery of test reports for its molecular diagnostic tests.

Tetra Technologies Inc is a diversified oil and gas services company, focused on completion fluids and associated products and services, water management, frac flowback, production well testing, offshore rig cooling, and compression services. It has two reporting segments, namely Completion Fluids & Products and Water & Flowback Services. The Completion Fluids & Products Division manufactures and markets clear brine fluids, additives, and associated products and services. The Water & Flowback Services Segment provides onshore oil and gas operators with comprehensive water management services. The majority of revenue is from the Completion Fluids & Products segment.