Microsoft
Lots of programming languages were developed IN the US or BY US citizens, but there are no languages that were developed BY the US as a whole.
1996
The firs't successful programming language was Fortran desgined by John Backus in 1957.
C++, Java
Chuck Esterbrook
James gosling...
Intermediate Language Disassembler
programming languages B and BCPL which was used to derive C
MySQL was written and developed using the C and C++ programming languages.
Html, javascript, ajax
That would be the "Ada" programming language.
In C language Oracle is developed and after that enhancement is done in Java for 10g and 11g