Star Equity Holdings, Inc. provides healthcare solutions in the United States and internationally. It operates through four segments: Diagnostic Services, Diagnostic Imaging, Construction, and Investments.

Biodesix, Inc. operates as a data-driven diagnostic solutions company in the United States. The company offers blood-based lung tests, including Nodify XL2 and Nodify CDT tests, together marketed as part of Nodify Lung Nodule Risk Assessment testing strategy, to assess the risk of lung cancer and help in identifying the appropriate treatment pathway and help physicians in reclassifying risk of malignancy in patients with suspicious lung nodules.

ENDRA Life Sciences Inc. develops technology for improving the capabilities of clinical diagnostic ultrasound. The company develops thermo-acoustic enhanced ultrasound technology that transmits sound waves, which bounce off tissues, organs, and blood in the body for use in the treatment of nonalcoholic fatty liver disease, as well as in temperature monitoring of thermoablative surgery, vascular imaging, and tissue perfusion.

FONAR Corporation, together with its subsidiaries, engages in the research, development, production, and marketing of magnetic resonance imaging (MRI) scanners for the detection and diagnosis of human diseases in the United States.

MDxHealth SA, a commercial-stage precision diagnostics company, provides urologic solutions in the United States, the Netherlands, Belgium, Spain, Poland, Italy, rest of European Union, and internationally.

Inotiv, Inc. provides drug discovery and development services to the pharmaceutical, chemical, and medical device industries; and sells analytical instruments to the pharmaceutical development and contract research industries.

Burning Rock Biotech Limited primarily develops and provides cancer therapy selection tests in the People's Republic of China. It operates in three segments: Central Laboratory Business, In-Hospital Business, and Pharma Research and Development Services.

Sera Prognostics, Inc., a women's health diagnostic company, discovers, develops, and commercializes biomarker tests for improving pregnancy outcomes. The company develops PreTRM test, a blood-based biomarker test to predict the risk of spontaneous preterm birth in asymptomatic singleton pregnancies.

Neuronetics, Inc., a commercial stage medical technology company, designs, develops, and markets products for patients with neurohealth disorders in the United States and internationally.

DarioHealth Corp. operates as a digital therapeutics company in the United States, Canada, the European Union, Australia, and New Zealand. The company offers Dario's metabolic solutions to address metabolic health needs, such as diabetes, hypertension, and weight management; Dario Musculoskeletal, which helps to prevent and treat the most common MSK conditions; Dario's behavioral health solution that optimizes access to evidence-based care; chronic condition management solutions; DarioEngage, a proprietary care management platform; and device-specific disposables test strip cartridges, lancets, and blood glucose monitoring systems.