TSSI vs CSTL Comparison

TSS Inc provides various services for planning, design, development, and maintenance of mission-critical facilities and information infrastructure, as well as integration services. Its services consist of technology consulting, design and engineering, project management, systems integration, systems installation, facilities management, and IT procurement services. The activities are organized into two segments: Procurement, Systems Integration, and Facilities Management. It generates the majority of its revenue from the Procurement segment.

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.