Those skills you've developed don't have much value at your current company any longer. They are most likely keeping you around for historical value and once the systems you built get replaced its over pretty quick. Take those skills elsewhere and brand yourself as someone who takes a company from 2 to n employees.
Not everyone has your skill set so learn how to market them. I'm on my second company where I was an early hire. I learned that you're way more valuable in the beginning then you are at the end. Eventually I got pushed out by management types because I held on to the notion that I helped build this company and deserved something for it. Don't wait too long to realize it.