Join Us!

NMRA membership is encouraged but not required.

Please complete the downloadable PDF application form to join or to renew.

Make check or money order payable to "Operations SIG" and send to:

Operations SIG
PO Box 1186
Plymouth, IN 46563-5186

OR you may pay by credit card or in foreign currency by using PayPal at with payment to (Please note that this is NOT an email address, and correspondence sent to that address will not be read.) For information on membership, renewals, address changes, etc., please contact (Please include "OPSIG" in the subject line)

Member services include a listing of OPSIG members in your region, including contact for the Regional Coordinator who can facilitate meeting other operations-oriented people in your area. We also provide members with the CallBoard, a registry of operating layouts which welcome visiting operators to their operating sessions (by invitation). Listings of organized operating weekends in various parts of the country available for signup are also offered.