OSIS vs NEA Comparison

OSI Systems Inc is a designer and manufacturer of electronic systems and components for businesses in the homeland security, healthcare, defense, and aerospace markets. The firm is organized in three business segments: Security, which derives maximum revenue, provides security and inspection systems; Healthcare, which provides patient monitoring, diagnostic, cardiology, ventilation systems, and defibrillators; and Optoelectronics and Manufacturing, which provides specialized electronic components and manufacturing services for the Security and Healthcare segments and external original equipment manufacturers. The majority of the firm's revenue is generated in the United States, and the rest from Mexico, Europe, the Middle East and Africa, and the Asia Pacific regions.

Nuveen AMT-Free Municipal Income Fund is a diversified closed-end management investment company. Its investment objective is to provide current income exempt from regular federal income tax and the alternative minimum tax applicable to individuals, by investing in an actively managed portfolio of tax-exempt municipal securities. The company invest in Transportation, Utilities, Healthcare, Education and Civics, and other sectors, with maximum investment in Transportation.