Institutional memberships are for museums and, in addition to the standard benefits, receive the following:

• Listing in the Member Museum directory on the OMA website
• Discount rate for up to five staff members (paid staff, volunteers, or board members, who need not be individual members of OMA) to OMA conference and workshops

OMA Institutional members should qualify as a museum by the definition of the International Council of Museums: "A museum is a non-profit, permanent institution in the service of society and its development, open to the public, which acquires, conserves, researches, communicates and exhibits the tangible and intangible heritage of humanity and its environment for the purposes of education, study and enjoyment."