Pro/E:

PTC

news:comp.cad.pro-engineer

Scicon Technologies

Pro-User

Southern California Users Group

San Diego Pro/E User Group

Pro/E Web Ring

Pro/E the Magazine

Engineering Employment & Research Network (EERN)

RAND

Analysis:

ANSYS

VRML:

Cosmo VRML Viewing and Authoring

Miscellaneous:

Dilbert

Microsoft