[trashtester]

I would argue that when the primary products of a company are technologies, they are tech companies. That would include TSMC, AMD, AWS and much of Microsoft.

If your products are just BUILT using technology, well then you may consider yourself in another business. Whether that is a clothing, cars, pharmaceutical, weaponry or social media platforms (sorted by increasing potential for harm ;)

Still, even if you're in the last category, it may be fair to consider it "tech" if the main challenges/differentiating factors in creating the product is scienc/engineering/technological rather than for instance design, marketing or organizational efficiency.