Both companies are privately held.
STI, an independent company since 2004, was formerly the High Value Products/Logistics Division of North American Van Lines. Headquartered in Ft. Wayne, Ind., the company has 250 employees, 500 owner operators and works through an extensive network of 150 agents in the United States and Canada.
"With this acquisition, CRST International projected annual revenue will be in excess of $1.3 billion," said CRST President and CEO Dave Rusch.
CRST gained 45 distribution centers in the transaction.
CRST International is one of the largest specialized trucking companies in the United States. It currently employs more than 4,400 drivers and office personnel, and an additional 2,500 independent contractors across the United States.
STI specializes in supporting customers in the technology, healthcare, industrial, furniture, store fixtures, retail, and financial services markets.