I don't think it works that way. I believe the GPL stipulates that you must make your source code available to any party to which you distribute your binary. If

I don't think it works that way. I believe the GPL stipulates that you must make your source code available to any party to which you distribute your binary. If you are using a modifying GPL code internal to your organization but not giving the any of the compiled binaries to anyone, you are under no obligation to release the code.