Im not doubting you, I am just curious as to what type of high value goods and services.
Here is a link to US exports, by products, for 2000-2004.
Computer software, aircraft, armaments, entertainment, medical equipment, pharmaceuticals (90% of all new pharmaceuticals are created here in the US) agricultural products etc, etc, etc.
As for services, the US is the world leader in banking, other financial services and insurance. Construction is a service and, again, we are the world leader. Other services include transportation, education and professional business services.
Here is a link to an older article that offers a good explanation about service exports: