MELI vs MMM Comparison

MercadoLibre is the largest e-commerce marketplace in Latin America, with more than 120 million unique active buyers and 1 million active sellers at the end of 2025. The company is roughly split between its e-commerce business, which includes its fulfillment and advertising services, and its fintech segment, which comprises its rapidly expanding payment and digital wallet platform (Mercado Pago) and its lending business (Mercado Credito). While the company operates in 18 countries, its primary markets are Brazil, Argentina, and Mexico, which account for more than 95% of its revenue.

3M, a multinational conglomerate founded in 1902, sells tens of thousands of products ranging from sponges to respirators. The firm is well known for its extensive research and development capabilities, and it is a pioneer in inventing new use cases for its proprietary technologies. 3M is organized across three business segments: safety and industrial (representing around 44% of revenue), transportation and electronics (36%), and consumer (20%). The firm recently spun off its healthcare business, now known as Solventum. Nearly half of 3M's revenue comes from outside the Americas.