同学你好，该知识点来自沪江网校《2020考研蜕变计划标准班【政英+教育学+专业课1对1】》的课程，想要更系统的学习，欢迎进入课程学习。不仅可以和更多的同学一起学习，而且还有老师、助教随时的学习指导和知识点解答哦。

Some companies [主语] are limiting [谓语] the risk [宾语] by conducting online transactions only with established business partners. [状语]
who引导了定语从句
Business partners [主语] are given [谓语] access [宾语] to the company’s private intranet. [定语]
有些公司为了降低风险，只与那些已经熟识的固定贸易伙伴进行在线贸易，并给予这些伙伴进入本公司局域网的权利。