Look for large companies dealing in physical goods. I work on warehouse software for a company selling motorcycle helmets and bbqs. Its a great intersection of tech and industry.

That's pretty cool. I would expect most of that sort of company to be buying off the shelf products these days but I guess some still roll their own

Thank you for the advice, I really appreciate that you took the time to do that. Very kind of you

Once you hit scale there are very few off the shelf solutions. Every major application is going to have some degree of customization involved.

Personally, I maintain a legacy codebase of a propietary application running several distribution centers. New feature requests, bug fixes, integrations, ever-changing business requirements mean its worth having staff on payroll to do it, as the contractor costs to do so are exorbitant.