Some related links are listed below:

IEOR Department, UC Berkeley

INFORMS Online
Become an INFORMS member. Student membership fee: $32.50

Society for Industrial and Appied Mathematics (SIAM)
As a graduate student you are entitled to free SIAM membership and a free subscription to one SIAM journal

Institute for Industrial Engineers
Join IIE. Student membership fee: $30.00.

Mathematical Programming Society