The deal, gives Sae-A Trading control of Swisstex El Salvador and Unique El Salvador. Credit: Sae-A Trading. The deal, terms of which were not disclosed, gives Sae-A Trading control of Swisstex El Salvador and Unique El Salvador. Around 300 of Swisstex’s 500 employees are based in El Salvador, with the remainder in Los Angeles, where operations will continue independently. Its management team will remain in place in both the US and El Salvador to ensure continuity.