CDNA vs GLDD Comparison

CareDx Inc operates as a precision medicine company focused on the discovery, development, and commercialization of clinically differentiated, high-value healthcare solutions for transplant patients and caregivers. It offers testing services, products, and digital solutions along with the pre- and post-transplant patient journey and is a provider of genomics-based information for transplant patients. The Company's commercially available testing services consist of AlloSure Kidney, AlloMap Heart, AlloSure Heart, a dd-cfDNA solution for heart transplant patients, and AlloSure Lung, a dd-cfDNA solution for lung transplant patients. Geographically the company generates the majority of its revenue from the United States. The company generates the majority of revenue from the Testing services.

Great Lakes Dredge & Dock Corp is a provider of dredging services in the United States. The Company is also fully engaged in expanding its core business into the offshore energy industry. Dredging involves the enhancement or preservation of the navigability of waterways or the protection of shorelines through the removal or replenishment of soil, sand, or rock. Company work generally is to performed in coastal waterways and deep water ports. Its project portfolio includes Coastal Restoration, Coastal Protection, Ports and Harbors, International, and Inland Dredging.