Cisco Systems was founded in December 1984 by Leonard Bosack and Sandy Lerner, two Stanford University computer scientists who had been instrumental in connecting computers at Stanford.

Integral to the growth of Silicon Valley, Cisco develops, manufactures, and sells networking hardware, software, telecommunications equipment and other high-technology services and products. Cisco specializes in specific tech markets, such as the Internet of Things (IoT), domain security, videoconferencing, and energy management with leading products including Webex, OpenDNS, Jabber, Duo Security, and Jasper. Cisco is one of the largest information technology companies in the world ranking 63 on the Fortune 100 with $49 billion in revenue and nearly 80,000 employees.

In 2021, Fortune ranked Cisco number one for the second year on their annual list of the 100 Best Companies to Work For based on employee satisfaction surveying.

Cisco has set long-term goals to address the environmental impact from its products and operations. In the last five years, the company has implemented over 440 energy efficiency projects that reduce costs and emissions and currently is developing more efficient thermal systems.

Cisco is also a very “giving” company. Additionally, Cisco employees logged a cumulative 491,000 hours of volunteer work this past year, representing a growth rate of over 9% compared to last year. The company exceeded its 2020 goal of 80% employee volunteer engagement, clocking in at 81%.

In September 2021, Cisco made a commitment to reach net zero emissions across all scopes of the business by 2040. Cisco is decreasing greenhouse gas emissions for product use, operations, and supply chain.

According to Wikipedia; Cisco