AWS (Amazon Web Services)

Website: https://aws.amazon.com
Currently using: Yes

From Wikipedia

Amazon Web Services (AWS) is a subsidiary of Amazon providing on-demand cloud computing platforms and APIs to individuals, companies, and governments, on a metered pay-as-you-go basis. Read more on Wikipedia

AWS (Amazon Web Services) is referenced in the following articles

SaaS Manual

Introduction

Moving to AWS

Product Definition

Building a website on Notion

AWS Cloud9