OIO vs PUBM Comparison

OIO Group operates as an investment and development platform operating through its subsidiary, ESA, which is a waste management, treatment, and recycling company involved in the collection and recycling of hazardous and non-hazardous industrial waste from customers such as pharmaceutical, semiconductor, petrochemical, and electroplating companies. ESA currently has two revenue streams, from: (i) services income which is mainly comprised of the fees it charges its customers for waste collection and disposal services, which fees are similar to those charged by ESA's competitors, and (ii) the sales and trading of ESA's circular products that are made and processed from the recycled waste collected from its customers with respect to its waste collection and disposal services.

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.