American Meteorological Society Publications
- An unofficial class for making preprints and manuscripts for submission to the AMS.
- http://saturna.seos.uvic.ca/~jklymak/AmetsocJmk.html

Information for LNCS Authors
- Document class and author information for the series Lecture Notes in Computer Science by Springer-Verlag.
- http://www.springer.com/east/home/computer/lncs?SGWID=5-164-2-72376-0

REVTeX 4
- A macro package to aid LaTeX submissions to American Physical Society, American Institute of Physics, and some other journals.
- http://authors.aps.org/revtex4/

SAE Technical Paper Publication Class
- A class implementing the guidelines for technical papers from the Society of Automotive Engineers SAE.
- http://www.mumintroll.org/axel/sae-tex/

IUCr publication class
- A class for submissions to the International Union of Crystallography journal. The page also has a BibTeX style, documentation, and a template.
- http://journals.iucr.org/a/services/latexstyle.html

AGU publications class
- A class for journals published by the American Geophysical Union.
- ftp://ftp.agu.org/journals/latex/journals/

ASL Typesetting Office
- LaTeX files in the style used by the publications of the Association for Symbolic Logic. Includes document class, bibtex style and documentation (PS).
- http://www.math.ucla.edu/~asl/

AASTeX 5.0
- LaTeX package that can be used to mark up manuscripts for submission to American Astronomical Society (and also some non-AAS) journals.
- http://www.journals.uchicago.edu/AAS/AASTeX/