Nokia promotes a culture where(1) [good communications practice] is integrated into every day interaction with (3)and between(4) employees and where(2) [shared vision and goals,shared knowledge,openness,speed and integrity] are paramount.
1和2并列 同为关系副词where引导的定语从句修饰culture
3和4并列 意为与员工的沟通 以及员工之间的沟通
[]里面的内容分别是两个定语从句的主语
整体上说 这个句子是个SVO形式的简单句
只是宾语由两个长的定语从句修饰
where是关系副词 引导定语从句 在从句中
做状语 相当于 in this culture