WHD vs APLS Comparison

Cactus Inc is engaged in the designing, manufacturing, and sale of wellheads and pressure control equipment. Its principal products include Cactus SafeDrill wellhead systems, conventional wellheads, and production valves among others. The company also provides mission-critical field services, including service crews to assist with the installation, maintenance, and safe handling of the wellhead and pressure control equipment, as well as repair services for equipment that it sells or rents. It sells or rents its products principally for onshore unconventional oil and gas wells that are utilized during the drilling, completion (including fracturing), and production. The company has two operating segments; Pressure Control , which generates key revenue and Spoolable Technologies.

Apellis Pharmaceuticals Inc is a commercial-stage biopharmaceutical company focused on the discovery, development and commercialization of novel therapeutic compounds to treat diseases with high unmet needs through the inhibition of the complement system, which is an integral component of the immune system, at the level of C3, the central protein in the complement cascade.