Below you can find logos, similar to the NBC .

NBC Sports 140 NBC Sports 140 vector
CNBC 269 CNBC 269 vector
MSNBC 37 MSNBC 37 vector
4 NBC 4 NBC vector
NBC Olympics 139 NBC Olympics 139 vector
CNBC-E 273 CNBC-E 273 vector
MSNBC MSNBC  vector
MSNBC MSNBC vector
CNBC 271 CNBC 271 vector
NBCC CCNB 146 NBCC CCNB 146 vector
CNBC-E CNBC-E vector
NBC Sports NBC Sports vector
CNBC 272 CNBC 272 vector
NBC Olympics NBC Olympics vector
NBCi NBCi vector