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 fund operations expenses related to our collection, buildings, and personnel. Questions: Contact Gabe 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.