- Applied Research Consultants - Provides consultancy and advise for graduate students on research and writing.
- At The Library For You - Freelance research assistance at the Library of Congress and at Washington art and history archives.
- BiblioFox Research Service - Undertakes research in the arts, humanities and genealogy for individuals and organisations by searching through British library and archive collections.
- Educational Research Assistance - Research librarians providing assistance in all subjects and at all levels. Specialists with master thesis and doctoral dissertations.
- Fitzgerald Servaites Inc. (FSI) Research - Research services in litigation support, legal research and document retrieval in all federal, state and county jurisdictions in the United States.
- Historyworks - Heritage-related services and products such as research and writing, heritage reports and studies, multimedia design and project management.
- Info2go - Professional librarian provides customized research service and document retrieval in all subject areas.
- Lyon Research - Performs FOIA requests and all types of research at archives, libraries, museums and U.S. Government departments and agencies. Specializes in research at the U.S. National Archives, the Library of Congress, and various military and museum repositories.
- Macrobotanical Research - Offers analysis of the macrobotanical remains from Archaeological sites.
- Programdr.com, Inc. - Offers program evaluation and assessment services to educational institutions, mental health organizations, businesses, and individuals.
- Research Goals - Provices services that fulfill qualitative research, evaluation and support needs of public and private organizations.
- Wordtree Reverse Dictionary Service - A service which provides the appropriate word or words for the customer's definition. Inquiry form, contact information.
