EYE vs SID Comparison

National Vision Holdings Inc is an optical retailer in the U.S. Its product portfolio includes eyeglasses and sunglasses, contact lenses, accessories, and other products. The company has two operating segments; Owned and Host segment includes company-owned brands America's Best and Eyeglass World, In America's Best stores, vision care services are provided by optometrists or by independent professional corporations and Host operating consist of Military and Fred Meyer which provide eye exams by independent optometrists, and the Legacy segment manages the operations of, and supplies inventory and lab processing services to Legacy retail Vision Centers. It earns a majority of its revenue from the Owned and Host segment.

Companhia Siderurgica Nacional is an integrated steel producer. together with its subsidiaries operates in five main business segments: Steel industry: production and marketing of flat and long steels; Mining: extraction, processing and marketing of iron ore, tin, limestone and dolomite; Cement: production and commercialization of bagged and bulk cement, in addition to aggregates, concrete, and other related products; Energy: generation and sale of energy from almost all renewable sources; and Logistics: participations in railways and port terminals. The group generates the majority of its revenue from the Steel industry segment. Geographically, it derives a majority of revenue from Asia.