ALCTS http://www.ala.org/alctsAssociation for Library Collections & Technical Services. It is responsible for: acquisitions, identification, cataloging, classification, and preservation of library materials, as well as selection and development of collections.
CC:DA blog http://alcts.ala.org/ccdablog/Committee on Cataloging: Description and Access is the body within the American Library Association responsible for developing official ALA positions on additions to and revisions of the Anglo-American
Cataloguing Rules, 2d ed., 1998 revision. John Attig's page: http://www.personal.psu.edu/jxa16/blogs/resource_description_and_access_ala_rep_notes/
ALCTS/LITA/RUSA Machine-Readable Bibliographic Information Committee (MARBI) is the body within the American Library Association responsible for developing official ALA positions on standards for the representation in machine-readable form of bibliographic information.
Also: MARC Advisory Committee http://www.loc.gov/
ARL http://www.arl.org/American Association of Research Libraries is a not-for-profit membership organization comprising the leading research libraries in North America. Its mission is to shape and influence the forces affecting the future of research libraries in the process of scholarly communication.
SPARCScholarly Publishing and Academic Resource Coalition. A worldwide coalition of research institutions, libraries, and organizations that encourages competition in the scholarly publication market.
Center for Research Libraries http://www.crl.edu/CRL is an international not-for-profit consortium of colleges, universities, and libraries that makes available scholarly research and resources to users everywhere.
International Coalition of Library Consortia (ICOLC) http://www.library.yale.edu/consortia/The Coalition serves primarily higher education institutions by facilitating discussion among consortia on issues of common interest