Even though I have quite some experience in using various tools, I still can't make up my mind whether I prefer using IDE or a simple editor for code editing.

Most IDEs I have experienced are written in Java (like Eclipse) which makes them slow and bulky. What's good about them is that it provides lots of tools.

On the other hand editors are usually VERY fast. They can also be extended to become more similar to IDEs but usually I don't do that. However, there is Sublime Text 2 which has some basic code completion built-in.

My question would be whether most Enterprise companies like Google, Apple, IBM and etc (except Microsoft because they have AMAZING IDE which, I assume, is used by MS developers) force their workers to use IDEs and whether using plain editor with external tools is considered being not professional?

P.S. Not talking about cases like Android development where working without IDE barely possible.