Co-Op applicants have rated the interview process at Ecolab with 3 out of 5 (where 5 is the highest level of difficulty) and assessed their interview experience as 100% positive. To compare, the company-average is 69.3% positive. This is according to Glassdoor user ratings.
Here are the most commonly searched roles for interview reports -
I talked with recruiters at the university career fair, had an on-campus interview the next day, and then went to the plant for an on-site interview a couple of weeks later
Interview questions [1]
Question 1
Very standard behavioral questions - working on a team, having difficulties with someone, time management skills, least and most favorite class, etc