GHM vs CCOI Comparison

Graham Corp designs and manufactures mission-critical fluid, power, heat transfer, vacuum, and mixing technologies for the Defense, Energy & Process, and Space industries. In Defense, its equipment is used in nuclear and non-nuclear propulsion, power, fluid transfer, thermal management, and mixing systems. In Energy & Process industries, it supplies equipment for vacuum, heat transfer, mixing, and fluid transfer applications used in oil refining, chemical facilities, fertilizers, ethylene, methanol, energetics, food & beverage, medical, and alternative energy applications such as hydrogen and geothermal processes. In the Space industry, its equipment is used in propulsion, power, thermal management, mixing, and life support systems. It operates in the United States and other countries.

Cogent carries over one-fifth of the world's internet traffic on its network, providing high-capacity services to businesses. Cogent's corporate customers are in high-rise office buildings, where the firm provides 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 nearly 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.