This is from Command Transport. If they are calling you, it is because you are doing business with them or they are accidentally dialing a wrong number. NOT SPAM.

Here is the information I have on them thus far:

Command Transportation
7500 Frontage Rd
Skokie, IL 60077
Telephone: (800) 511-6111
Telephone: (847) 213.2295
Telephone: (847) 329-0567
Fax: (847) 324-7451
Fax: (847) 324-7449
http://www.commandtransportation.com/