This number appears to be a data-mining operation. They "offer" "free" publications based on your industry. They get you to give out company info, so you can later be targeted by more spam.
This is for Farm Equipment magazine. It is a free publication. We have been getting it for years. They are legit. If you don't want the magazine, just tell them or don't answer.
Update: They called again, and left no message. Caller ID says, "Omaha NE" this time. When you call the phone number back it rings twice, then you hear a fast busy signal. I blocked the phone number with Ooma from Costco.
This number appears to be a data-mining operation. They "offer" "free" publications based on your industry. They get you to give out company info, so you can later be targeted by more spam.