I think it is not always like that.
In case of many companies, like Yokohama for example, when you go to the parent website of that company and enter your country, you get links to their details.
For Yokohama:
To verify / check, go to https://www.y-yokohama.com/global/product/tire/locator/ , Press Ctrl + F, and enter Pakistan, you will find following details in Asia and Oceania region:
Pakistan:
Shaikh Brothers
8 - B , Block -VI, P.E.C.H.S.,Opp. Nursery Off. Shahrah-e-Faisal, Karachi - Pakistan
Tel:+922-1-34526958
Fax:+922-1-34396736
URL:URL;http://www.yokohama.com.pk/
RAFIQ AND COMPANY
344, A-3, Gulberg-3, Lahore - Pakistan.
Tel:+92-42-35760945 / +92-42-35711861
Fax:+924-2-37631775
For Continental:
Go to https://www.continental-tires.com/car , press the Global button in the upper middle region. A drop down menu will appear. Look for Pakistan somewhere in the mid of that page. Click on it, and it will take you to https://www.continental-tyres.com.pk/car being the official website for Pakistan.
Please counter check. I have provided some details above.