PUBM vs KOP Comparison

PubMatic Inc is is an independent, artificial intelligence-powered advertising technology company that delivers digital advertising performance. Its integrated technology platform connects buyers, publishers, data providers, and commerce media networks on a single, unified platform, to deliver advertising performance, control, transparency and efficiency. Its platform empowers the world's digital content creators (publishers) to maximize monetization of their advertising inventory and audiences and provides control and transparency to buyers, which includes advertisers, agencies, agency trading desks, and demand side platforms (DSPs) (referred as buyers). Geographically, the company generates the majority of its revenue from the United States, followed by EMEA, APAC, and Rest of the World.

Koppers Holdings Inc through its subsidiaries, manufactures and sells wood products, wood treatment chemicals, and carbon compounds used in markets such as railroad, aluminum and steel, agriculture, utilities, and residential lumber. The company is organized into three business segments: railroad and utility products and services, performance chemicals, and carbon materials and chemicals. Its product portfolio includes treated and untreated wood products like crossties used in railroads, wood preservation chemicals, and carbon compounds such as creosote used in the treatment of wood crossties, among others. The majority of its revenue comes from the company's railroad and utility products and services segment, and more than half of the company's revenue is earned in the United States.