Many Ways to Support OHTM

As a community resource and nonprofit organization, the Museum relies on the generous contributions of its visitors, members, and sponsors to deliver a world-class experience that ignites imaginations of all ages.

To explore customized opportunities or planned giving options, contact Gabe Mosse by email at or by phone at (207) 594-4418.


Benefits of membership include daily admission, event tickets, and a subscription to the award-winning publication Strut & Axle.


Donations are critical to fund our operations costs related to our collection, education programs, and the infrastructure. Questions? Contact Gabe Mosse at

Corporate Sponsorship

Join the extensive network of regional, and national businesses that generously support the Museum’s programs and events year round.


Be part of a 40-year tradition when you join the hundreds of dedicated volunteers that use their passion to support our mission.

Annual Auto Raffle

Every spring, the Museum reveals a stunning vehicle to be raffled off at the end of the season. All proceeds support Museum programs.

Great Fall Auction

Community donations to this event create the Midcoast’s best-kept shopping secret for carefree collectors and savvy shoppers alike!