Castrol "R-Synthetic" oils I looked at today (5W-30, 0W-40, and 10W-60) failed to disclose where they were made, or even show the API logo.
Had the generic "meets or exceeds API etcetcetc".
$86 for 5 litres ('cept the 0W-60 at $79). Mobil 1 5W-50 supersyn is $61.