[Python] How to categorize small/local company names into sectors (Tech, Industry, etc.) when...

I have a large dataset containing small-scale / local company names, and I need to categorize each company into sectors such as Tech, Industrial, Finance, Retail, etc.

The problem is:
These companies are too small to be found on Google, LinkedIn, or any AI model/knowledge base, so I cannot rely on web search or AI lookup.

I tried using ChatGPT to classify them, but since these companies don’t exist in public datasets, the model guesses incorrectly or inconsistently.

What I need:

A programmatic and scalable approach (preferably in Python) to categorize these company names based only on the **name itself.

Any guidance, ideas, libraries, or sample code would be very helpful.**

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