Nor do they have even particularly critical national security technology. In-Q-Tel probably has less dark tech knowledge than your average building at NBP.
One of my startups was contacted by one of their employees (it's almost always an employee, not the org directly), and they really just facilitated our data analysis processes, and made some connections. It never got to the stage where we accepted any money, and it was a lot less creepy than some of the government contractors cough Mitre cough.
Disclaimer: I have not, do not, and will not work on mass surveillance technology.