AirSeal CardioVascular Inc. is a medical diagnostics company headquartered at 4340 Duncan Ave, St. Louis, MO, focused on transforming the detection and management of peripheral arterial disease (PAD). The company was founded in 2022 and is privately held.

Geneoscopy is a St. Louis, Missouri life sciences company developing non-invasive RNA-based diagnostic tests to help prevent, detect, and monitor gastrointestinal diseases including colorectal cancer.