Literary professionals shape the systems through which books enter the world. Publishers, agencies, and affiliated organizations determine which projects move forward, how they are developed, and where they ultimately land. The field is wide, with significant variation in editorial vision, industry reach, and long-term commitment to a writer’s work. This directory highlights the professionals and institutions known for rigorous engagement with the manuscripts they undertake. Each listing reflects an entity with a demonstrated record of thoughtful practice and meaningful influence, giving writers a clear understanding of where their work will be read with the attention it deserves.