It's a representative from L & E Research. I signed up to participate in some of their studies from time to time. For a few hours of my time, along with my honesty, they reward me with cash. That works very well for me!
It may be a thinly disguised "invitation" to join that focus group.
Alternately, since that company uses an 877 phone number, it could be an invitation to call the 513 number, and get scammed.