I think what you meant to say is that the World Headquarters for Boeing is located in the United States. The aircraft are manufactured and assembled by vendors from all over the world. That's just one issue with the 787 as it was with the 777.

Do they make good products ? Yes. Are they the "best"...that depends on whom you talk to. As for Russian built products, let's not get into the latest offering from the Sukhoi Design Bureau, the S-27PU, or the planned "stealth fighter" SU-37,which is undergoing testing as we speak.

G'Day Mates