Maine's Biggest Business Deals Of 2026 So Far

Forty-eight deals made this list of Maine's biggest business transactions announced between January and September 2026, ranging from local shop sales to nine-figure acquisitions. The largest involve Portland-based Elmet, including a $450 million federal commitment tied to its tungsten supply and a later agreement to acquire a stake in Masan High-Tech Materials. Watsco's agreement to acquire the 82-location, $500 million-revenue Granite Group and a California group's $150 million-backed purchase of Central Maine's hospitals followed close behind, along with a Northeast Harbor hotel on Mount Desert Island that sold for $60 million.

Healthcare produced the most repeat activity, with hospitals changing hands or merging in Central Maine, at York Hospital and at the former Northern Light Inland Hospital, while Washington County healthcare companies, a Lewiston mental-health provider and Maine's nursing homes also reported mergers or sales. Hotels, inns and resorts changed hands from Portland's Press Hotel to a Tennessee firm's purchase of the Sandy Pines resort, with prices reported as low as $1.375 million. Manufacturing deals clustered around South Paris, Piscataquis County, Hampden and Auburn.

Commercial real estate sales ranged from $4.7 million to $14.5 million in Portland, Bangor, Scarborough and Ellsworth. Land acquisitions included a 78,000-acre conservation purchase in western Maine and 3,400 acres added to Mi'kmaq Nation holdings, while banking, insurance and wealth-management firms reported mergers and expansions in the Boothbay Harbor area and statewide.

Healthcare Mergers and Acquisitions

• A California group acquired Central Maine's hospitals and pledged to invest $150 million, the Portland Press Herald reported. (The Portland Press Herald)
• Maine nursing homes are to be sold to a private equity group following bankruptcy, the Lewiston Sun Journal reported. (​​Lewiston Sun Journal​​ ​​​ ​​​)
• The York Hospital and MaineHealth merger advanced after state approval, the Portland Press Herald reported. (The Portland Press Herald)
• IDEXX Laboratories acquired CoVetAI to advance veterinary workflow intelligence, Business Wire reported. (Business Wire)
• Washington County healthcare companies announced a merger, WABI reported. (WABI)
• Lewiston's Common Ties Mental Health Services, facing financial instability, merged with Sweetser, the Sun Journal reported. (Sun Journal)
• New ownership acquired the former Northern Light Inland Hospital, newscentermaine.com reported. (newscentermaine.com)

Energy, Defense and Advanced Manufacturing

• The Department of Defense bought an equity stake in Portland-based Elmet as part of a $450 million commitment to secure the tungsten supply, the Sun Journal reported. (Sun Journal)
• The Elmet Group agreed to acquire a 4.99% stake in Masan High-Tech Materials and enter a multi-year tungsten supply partnership for the U.S. market, Business Wire reported. (Business Wire)
• Portland-based Elmet expanded into Europe with the acquisition of a German manufacturing operation, newscentermaine.com reported. (newscentermaine.com)
• RI Energy bought a stake in a Maine onshore wind project, the Providence Journal reported. (The Providence Journal)
• A Gould Equipment acquisition expanded Maine Tank Service, tanktransport.com reported. (tanktransport.com)
• A Kentucky rail company acquired a Piscataquis County repair facility, Mainebiz reported. (Mainebiz)

Industrial and Manufacturing Deals

• A South Paris maker of precision parts acquired a Texas-based aerospace firm, Mainebiz reported. (Mainebiz)
• A South Paris-based manufacturer bulked up with a Bay State acquisition, Mainebiz reported. (Mainebiz)
• An Auburn infrastructure contractor was acquired by a Houston firm, Mainebiz reported. (Mainebiz)
• A Portland industrial supplier was acquired by a Pennsylvania peer, Mainebiz reported. (Mainebiz)
• A Hampden trucking firm acquired a Bangor equipment and repair shop, Mainebiz reported. (Mainebiz)

Banking, Insurance and Financial Services

• Androscoggin Bank and Mascoma Bank announced a merger of their parent companies, Mainebiz reported. (Mainebiz)
• MEMIC finalized an acquisition that broadens its national reach, Mainebiz reported. (Mainebiz)
• Savant Wealth Management entered Maine with its latest acquisition, investmentnews.com reported. (investmentnews.com)
• KMA Human Resources was acquired by a Boston HR firm, Mainebiz reported. (Mainebiz)
• A Boothbay Harbor insurance agency acquired a Damariscotta peer, Mainebiz reported. (Mainebiz)

Hotels, Inns and Resorts

• A Northeast Harbor hotel in Chapter 11 was sold to a hospitality firm for $60 million, Mainebiz reported. (Mainebiz)
• EOS Investors acquired the Press Hotel in Portland, citybiz reported. (citybiz)
• The Sandy Pines resort was sold to a Tennessee firm with national reach, Mainebiz reported. (Mainebiz)
• An MDI inn whose owner died in May was sold for $2.3 million, Bangor Daily News reported. (Bangor Daily News)
• The Coast Village Inn in Wells sold for $1.375 million, Seacoastonline.com reported. (Seacoastonline.com)
• A Midcoast boutique hotel was sold to new owners, Bangor Daily News reported. (Bangor Daily News)

Commercial and Institutional Real Estate

• A Scarborough site with MaineHealth as its anchor tenant sold for $14.5 million, Mainebiz reported. (Mainebiz)
• Bangor's Airport Mall sold for $13 million, Bangor Daily News reported. (Bangor Daily News)
• A downtown Bangor office building sold for $13 million, Bangor Daily News reported. (Bangor Daily News)
• An Ellsworth mall sold for $7.4 million, Bangor Daily News reported. (Bangor Daily News)
• Unity Environmental University sold its Unity campus for $6 million, Bangor Daily News reported. (Bangor Daily News)
• A former mansion turned rehab facility in Camden sold for $6 million, Bangor Daily News reported. (Bangor Daily News)
• Maine's Wassamki Spring Campground sold for $6 million, Woodall's Campground Magazine reported. (Woodall's Campground Magazine)
• Two City Center in downtown Portland sold for $4.7 million, Mainebiz reported. (Mainebiz)

Land, Conservation and Public Acquisitions

• Conservation groups completed a 78,000-acre acquisition in western Maine, Mainebiz reported. (Mainebiz)
• The Mi'kmaq Nation acquired 3,400 acres in Maine, doubling its tribal land holdings, Tribal Business News reported. (Tribal Business News)
• Maine bought a second PFAS-contaminated farm, following its earlier acquisition of the former Songbird Farm in Unity, Central Maine reported. (Central Maine)
• An offer by residents to buy the Hidden Circle mobile home park in Jay was accepted, securing local control from out-of-state ownership, Central Maine reported. (Central Maine)
• A Wiscasset farm sold to new owners who are preserving it as farmland, the Portland Press Herald reported. (The Portland Press Herald)

Retail, Distribution and Food Business Sales

• Watsco agreed to acquire the Granite Group, an 82-location plumbing and HVAC distributor with $500 million in revenue, Pulse 2.0 reported. (Pulse 2.0)
• Caliber expanded into New England through its acquisition of Key Collision, entering Maine, New Hampshire and Vermont, Business Wire reported. (Business Wire)
• Hannaford is to buy a longtime Presque Isle grocery store, Bangor Daily News reported. (Bangor Daily News)
• A New Jersey cheesemaker bought Pineland Farms' Bangor dairy plant, Mainebiz reported. (Mainebiz)
• The owner of the Blaze restaurants bought a Lincolnville winery for $1.8 million, Bangor Daily News reported. (Bangor Daily News)
• A Kennebec County cider company merged with a seltzer brand, Mainebiz reported. (Mainebiz)

Compiled from reporting by the outlets linked above; follow the links for their full stories.