It is not the technology, the product, or the process that makes a company great.  It is the people behind that great solution.  This article from Forbes describes the 15 behaviors that will make you almost irreplaceable at your workplace.

https://www.forbes.com/sites/ninaangelovska/2018/10/30/these-15-behaviors-will-make-you-almost-irreplaceable-at-your-workplace/#509dc62a1a54