send them an email, ask for a cash flow statement or a credit history report, its your check they will be toying with. The cost of doing businesss today in expediting is to risky.
Google is your friend. I just did a quick search, it didn't take long to find the link below. Plenty of info here, dig in and make your best-guess judgment.
Off the top of my pointy skull, this doesn't look like an expedited company. It looks like general trucking.