My bill requires all transportation equipment purchased with federal dollars to be made in America.
Virtually all of the January increase was in transportation equipment.
By category, orders for transportation equipment rose 10.2 percent, to $30.1 billion last month.
The only major industry to post a decline was transportation equipment.
The only major decline was in transportation equipment, which tumbled 1.8 percent.
The biggest decline was a 1.4 percent drop for transportation equipment.
"The largest decrease was in transportation equipment, down 14.7 percent, to $31.7 billion," it added.
Almost the entire increase resulted from growing orders for transportation equipment.
Factories in the region produce metal products and public transportation equipment.
Orders for transportation equipment have been more volatile than usual.