Looking on the internet deeply has found these results:

associate with is the most popular phrase on the web.

associate to 12,710,000 results on the web	associate with 120,900,000 results on the web More popular!
Some examples and use cases from the internet:	Some examples and use cases from the internet:
Brought an associate to represent Sil. He sent an associate to register his bid for tomorrow's vote. mouthed junior associate to Wheels and The Legman. You didn't just instruct your associate to disobey my order? Pappa Wheelie, the smart An associate to do some business for me. Okay, I'm just texting my associate to have her things brought down.	What smell you associate with the color red? You experienced a traumatic event that you now associate with Dr. Lecter. Which I think you associate with him being pathetic. That's usually not a profession I associate with killers. Did he associate with any known gang members? But this skull has characteristics we associate with European origin. I don't associate with the likes of you. Where appropriate the Commission shall associate with these consultations any Member State concerned.

associate to

12,710,000 results on the web

associate with

120,900,000 results on the web

More popular!

What smell you associate with the color red?
You experienced a traumatic event that you now associate with Dr. Lecter.
Which I think you associate with him being pathetic.
That's usually not a profession I associate with killers.
Did he associate with any known gang members?
But this skull has characteristics we associate with European origin.
I don't associate with the likes of you.
Where appropriate the Commission shall associate with these consultations any Member State concerned.