Why is 大消费组 used here?
I don't think you should omit it. It's something like Big Consumption Team/Division in the research department. It denotes the Team "I" work in, whereas 消费类行业 denotes the target industries "I" work on/am in charge of.

Thus, the sentence should be,


  I am in charge of 6 consumer industries of the Big Consumption Team in the research department of this company.