• Belmont Maine Historical Society - Provides contact information and history of the society preserving local heritage.
• Bethel Historical Society - Museum and library collections document the heritage of western Maine and the White Mountains.
• The Blade Society - A Portland-based fencing club and historical reenactment group specializing in Renaissance and Medieval periods.
• The Center for Maine History - Located in Portland, includes the Maine Historical Society Research Library, Maine History Gallery, and the historic Wadsworth-Longfellow House.
• Maine Aviation Historical Society - Preserves Maine’s aviation history and operates the Maine Air Museum in Bangor.
• Moosehead Historical Society - Showcases history of Northern Piscataquis County with tours of a restored 1800s mansion.
• Mount Desert Island Historical Society Museum - Covers history of Mount Desert Island, located in Somesville’s National Register District.
• The Oakfield Railroad Station Museum - Operated by the Oakfield Historical Society, features free admission and guided tours by retired engineers.
• Old York Historical Society - Preserves three centuries of coastal Maine history through eight historic buildings and a research library.
• Pejepscot History Museums - Operated by the Pejepscot Historical Society in Brunswick, includes the Pejepscot Museum, Skolfield-Whittier House, and Joshua L. Chamberlain Museum.
• Salisbury Point Railroad Historical Society - Focuses on preserving Boston and Maine Railroad artifacts, centered in northern Massachusetts but with regional relevance.
• Thomaston Historical Society of Maine and New England Historical Museum - Features exhibits on shipbuilding, Civil War, and Revolutionary War history.
• Augusta Historical Society - Dedicated to preserving the history of Maine’s capital, with collections, exhibits, and educational programs.
• Rockport Historical Society - Preserves and interprets the history of Rockport, including maritime and local industry heritage.
• Kennebec Historical Society - Houses archives and artifacts related to the Kennebec region with special focus on cultural heritage and genealogy.
• Bangor Historical Society - Focuses on the history of Bangor and Penobscot County, offering museum exhibits and community programs.
• Waldo Historical Society - Preserves local history of Waldo County, including historic buildings and genealogical resources.
• Greater Portland Landmarks - A nonprofit historic preservation organization dedicated to protecting Portland’s architectural heritage.
• Kennebunkport Historical Society - Maintains historic sites and exhibits related to Kennebunkport's rich maritime and cultural history.