OMAHA, Neb. — A tiny Nebraska startup awarded the first border wall construction project under President Donald Trump is the offshoot of a construction firm that was sued repeatedly for failing to pay subcontractors and accused in a 2016 government audit of shady billing practices.
SWF Constructors, which lists just one employee in its Omaha office, won the $11 million federal contract in November as part of a project to replace a little more than 2 miles (3.2