Service learning, an expanding pedagogical movement, educates students to volunteer their expertise for the benefit of society. Teachers of business and technical writing can apply this pedagogy by assigning students to write for nonprofits. Such assignments prepare students for both workplace writing and responsible citizenship. To help our profession consider the appropriateness of this pedagogy, this article describes the origins of the movement and proposes a rationale for it in our field. This article then explains sequential projects and teaching methods intended to reduce problems related to collaborative writing for nonprofits. Last, resources are identified to help prepare grant proposals, perhaps the most beneficial kind of document for nonprofits.