Triangle Marketing Services Inc.

Following is a sampling of lists available to reach medical professionals as potential donors.

Following is a sampling of lists available to reach alternative-medicine advocates as potential donors.

A sampling of lists available to reach animal lovers as potential donors.

The gay and lesbian communities have long been major supporters of charitable organizations in the United States. But it’s only recently that those organizations were able to openly acknowledge their gay donors — thanks in part to many who have self-identified in response to the growing maturity of the gay movement — and show that they are uniquely attuned to gay-rights issues and supportive of same-sex relationships.