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.

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.

Exagen Inc. develops and commercializes various testing products based on its cell-bound complement activation products technology under the AVISE brand in the United States.

Sotera Health Company provides sterilization, and lab testing and advisory services in the United States, Canada, Europe, and internationally. The company's sterilization services include gamma and electron beam irradiation, and EO processing; Nelson Labs comprise microbiological and analytical chemistry testing; and advisory services for medical device and biopharmaceutical industries.

Psychemedics Corporation provides testing services for the detection of drugs of abuse through the analysis of hair samples in the United States, Brazil, 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.

Personalis, Inc. operates as a cancer genomics company worldwide. The company provides sequencing and data analysis services to support the development of cancer therapies and large-scale genetic research programs.

CareDx, Inc. discovers, develops, and commercializes diagnostic solutions for transplant patients and caregivers worldwide. It provides AlloSure Kidney, a donor-derived cell-free DNA (dd-cfDNA) solution for kidney transplant patients; AlloMap Heart, a gene expression solution for heart transplant patients; AlloSure Heart, a dd-cfDNA solution for heart transplant patients; and AlloSure Lung, a dd-cfDNA solution for lung transplant patients.

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