SLG vs CCOI Comparison

SL Green Realty is one of the largest Manhattan property owners and landlords, with interest in around 32 million square feet of wholly owned and joint-venture office space. The company has additional property exposure through its limited portfolio of well-located retail space. It operates as a real estate investment trust.

Cogent carries over one fifth of the world's internet traffic over its network and is a broadband provider for businesses. Cogent's corporate customers are in high-rise office buildings; the firm provides them with two types of connections: dedicated internet access, which connects them to the internet, and virtual private networking, which offers an internal network for employees in different locations. Cogent's corporate customers are exclusively in North America and account for over half of the firm's revenue. Cogent's netcentric customers include internet service providers and content providers, to which Cogent provides internet transit. They hand traffic to Cogent in data centers and rely on Cogent to deliver it. About half of netcentric revenue is from outside the US.