For taxi riding services
Owning a taxi riding services has proven to be a very lucrative business for companies like Uber and Taxify. There is no harm in starting your own taxi business. Just employ the service of willing drivers and your have yourself a company. Since it is very rare to find a business that doesn't require an online presence. Using a .TAXI domain extension for your taxi business site will be unique and people appreciate uniqueness above anything.
For taxi drivers
Do you specialize in private taxi hiring service I.e. you get booked before you leave your garage and not just roaming around till you find a customer? Then you need to project your business and attract more attention to your business using the Internet. Registering a .TAXI domain name will be the perfect way to do this.
For Taxi insurance services
Taxis and cab are much more exposed to both minor and major accident than a normal private car. Any insurance company taking care of taxis should make it clear by making sure to buy a .TAXI domain extension for its business page.
For Taxi sales outlets
There are special cars which are designated for taxi depending on the location. The most common feature found on this type of vehicle is its ability to save fuel and speed. If you car sales shop deals in the sales of this type of cars then using a .TAXI domain name for your business page will help to project your business further. And attract the right type of customer.