大陆已经有25家通过iso20000了，详细如下：
HuaweiTechnologiesCoLtd/HuaweiInformationSystemsCoLtd华为技术有限公司
**JinElectricPowerCorporation天津送变电工程公司
LGCNSChina北京乐金系统集成有限公司
DigitalChinaAdvancedSystemsServicesLimited神码
G-NETIntegratedServiceCompanyLimited
ZTECorporation
BeijingDigitalChinaLtd/DigitalChina(China)Ltd
Unisys(Shanghai)InformationTechnologyCompanyLimited优利系统
SHENZHENLAN-YOUTECHNOLOGYCO.，LTD.
ShenzhenLan-YouTechnologyCo.Ltd
AccentureTechnologySolutions(Dalian)Co.Ltd.ShanghaiBranch
DigitalChinaFinancialSoftwareLtd.OutsourcingBusiness
ShanghaiBaosightSoftwareCo.Ltd
ChinaNationalPetroleumInformationTechnologyServicesCenter
DataCenterofBankCommunications
ShanghaiHewlett-PackardCo.Ltd.Hewlett-PackardGlobalDeliveryChinaCenter
ChinaCindaAssetManagementCorporation
ChinaMobileGroupZhejiangCo.Ltd，ITDepartment
ChinaInternationalElectronicCommerceCenter(CoLtd)
ShenzhenStockExchangeITCenter
INGCapitalLifeInsuranceCo.LtdITDepartment
ShanghaiGreatWallIdealCoLtd
IBMGlobalServices(China)CompanyLimited
IBMSolution&Services(Shenzhen)CompanyLimited
ShanghaiDigitalResourceInformationTechnologyCo.Ltd
上面数量是25个，其中联友科技显示两个，我想原因是联友科技是国内第1张简体中文版证书及国内第15张英文版证书的企业，个人看法来的，呵呵