Old infrastructure, high energy costs, competition and a decreased need for newsprint leads mills in Maine to begin to close giving the illusion of a dying industry. The Somerset Mill is the most technically advanced paper mill in all North America, located on 2,500 acres of land in central Maine. With three state-of-the-art paper machines, the mill offers sustainable, circular packaging solutions that our world needs and regulators increasingly demand. Maine businesspeople, supported by investors from Boston and New York, surveyed the state’s geography, identified strategic sites, built state-of-the-art paper mills, connected the mills to rail lines and national markets, and helped establish the paper industry as a dominant force in Maine. Rumford Mill is a pulp mill and paper mill located in the United States town of Rumford, Maine. The mill has two kraft pulp lines and three paper machines. The mill produces 460,000 tonnes of kraft pulp and 565,000 tonnes of paper annually. The mill has 621 employees as of 2016. [1] Maine businesspeople, supported by investors from Boston and New York, surveyed the state’s geography, identified strategic sites, built state-of-the-art paper mills, connected the mills to rail lines and national markets, and helped establish the paper industry as a dominant force in Maine. It dominated the state’s economic, social and physical landscape from its inception, building mighty mills on the state’s seven major rivers, and extracting millions of pounds of “pulp” wood from the state’s impressive forests. State data shows the state's paper industry still brings in more than $2 billion a year in sales. While the number of mills overall have declined, experts believe the ones still running. Maine’s paper mills sell their products as inputs to businesses in other industries. Within Maine, the Corrugated and Solid Fiber Box Manufacturing industry is the largest consumer of products from paper mills. While the past few decades have seen the closing of many Maine lumber and paper mills, the City of Old Town was able to keep its mill open through significant investment in the 200-acre former paper mill. Our list for Paper mills in Maine, United States is one of the most comprehensive in the industry. As of July, 2026, we have compiled data on 15 verified listings.