National Broadband Operations Centre (Telstra; Australia)全国宽带业务Telstra中心(澳大利亚) National Business Operations Center (Sprint)国家商业运营中心(冲刺) Northern Beetle Owners' Club (Northern Ireland)北方甲虫业主协会(北爱尔兰) Northern Beetle Owners Club (UK)北方甲虫所有者俱乐部(英国) National Ballet of Canada (Toronto, Canada)国家芭蕾舞团(加拿大多伦多加拿大) Northern Bank of Commerce工商银行的北部