Anonymous donor offers welcome boost to Independence Association The Brunswick-based nonprofit assists people with intellectual and developmental disabilities. Share Staff members from Independence Association, who work with people with developmental or intellectual disabilities, deliver dinner to clients Earl and Diane Black. The nonprofit is in the final push of its fundraiser, which ends on June 30. Contributed / Carlene Byron A Brunswick-based nonprofit supporting those with intellectual and developmental disabilities is getting a $50,000 boost from an anonymous donor. To donate Or, checks payable to Independence Association may be mailed to: Independence Association Brunswick, ME 04011 Independence Association announced on April 5 that the donor was offering a matching donation of up to $50,000 for any money raised during a fundraising drive ending June 30.