ABM vs AAOI Comparison

ABM Industries Inc is a provider of integrated facility solutions. It offers its solutions through five segments: Business and Industry, Manufacturing and Distribution, Education, Aviation and Technical solutions. The company derives the majority of its revenue from the business and industry segment, which encompasses janitorial, facilities engineering, and parking services for commercial real estate properties and sports and entertainment venues, hospitals, as well as vehicle maintenance and other services to rental car providers. The company mainly operates in the United States of America.

Applied Optoelectronics Inc is a provider of fiber-optic networking products, for four networking end-markets; internet data center, CATV, telecom, and FTTH. The Company designs and manufactures a wide range of optical communications products at varying levels of integration, from components, subassemblies, and modules to complete turn-key equipment. Through direct sales personnel, and manufacturing teams in the United States, China, and Taiwan, the company coordinates with customers to determine product design, qualifications, and performance. The Company has manufacturing and research and development facilities located in the U.S., Taiwan, and China.