List of all the vendors who are among the top two scorers on the maximum number of aspects is:
Explanation:
Following table lists down the top two vendors (highlighted in blue) in each aspect.
As observed, Vendor 1 is among the top two in 3 aspects (Reach, Quality and Customer Service). Vendor 5 is also among top two in 3 aspects (Reliability, Reach and Features).
All other vendors are among top two in 2 aspects only.
Hence, option (b).
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