Number of providers in competition

Depending on the industry and region, there is usually a lower and upper limit to the number of providers that are for healthy competition, customer-oriented, profit-oriented and innovation-promoting.

You will see some examples now.

Cloud-Providers

Microsoft Azure 

Amazon WebServices AWS

Google Cloud

Alibaba Cloud

Smartphone OS (operating systems)

Android (Google, now Alphabet)

Apple IOS 

Harmony OS

Lineage OS 

old proprietary OS

Smartphone manufacturers 

over >80  

 

Civil Aviation Aircraft Manufacturers

Boeing 
Airbus 
Comac 
I hardly know any others

 

to be continued ...