Microsoft Azure
Fermyon and Microsoft Azure have partnered on various projects related to WebAssembly development - most notably as collaborators to develop and maintain SpinKube (a CNCF Sandbox Project).
Azure supports running WebAssembly workloads with Spin and SpinKube, on Azure Kubernetes Service (AKS).
Resources
Blog Articles
WebAssembly in Azure with Azure Kubernetes Service and SpinKube
Integrating Spin with Azure services