- Timber: Maine's extensive forests provided a wealth of timber, which was used for building, shipbuilding, and the production of paper.
- Fish and seafood: The state's coastline and inland waters were home to a variety of fish and seafood, including cod, mackerel, herring, salmon, and lobster.
- Minerals: Maine had deposits of minerals such as copper, iron, lead, and zinc, which were mined and used in various industries.
- Water power: Maine's numerous rivers and streams provided water power for sawmills, gristmills, and other industrial operations.
- Agriculture: Maine's climate and soil were suitable for growing crops such as corn, wheat, rye, and oats, as well as fruits and vegetables.