I can only speak towards Twilio because that is where my experience is. It is a very international company. In recent years it has made several acquisitions of

I can only speak towards Twilio because that is where my experience is. It is a very international company. In recent years it has made several acquisitions of companies that were not previously based in the US. Maybe it is a broad trend across the industry for tech workers that used to work for smaller local companies coming under the umbrella of large US-based corporations?