USLM vs ZLAB Comparison

United States Lime & Minerals Inc is engaged in the business of manufacturing lime and limestone products including PLS, quicklime, hydrated lime, and lime slurry. It supplies its products predominantly to the construction (including highway, road, and building contractors), industrial (including paper and glass manufacturers), environmental (including municipal sanitation and water treatment facilities and flue gas treatment processes), metals (including steel producers), oil and gas services, roof shingle manufacturers and agriculture (including poultry and cattle feed producers) industries. The company operates through its Lime and Limestone Operations segment.

Zai Lab Ltd is a biopharmaceutical company focusing on discovering or licensing, developing, and commercializing proprietary therapeutics that address areas of unmet medical need including in the fields of oncology, autoimmune and infectious diseases. The pipeline of proprietary drug candidates of the company includes ZL-2306 for treatments across multiple solid tumor types including ovarian and certain types of breast and lung cancers; ZL-2401 which is an antibiotic in a new class of tetracycline derivatives; and ZL-2301 is an oral, small molecule which targets HCC.