In my opinion the very thought in you affirms that ""you are a very productive and trustworthy person"". Maybe you are getting this feeling because your potentials are under utilized. Continue to work with same enthusiasm, I assure you that your skills will be noticed and you will get higher responsibilities soon. Please remember that growth of an employee is dependent on the growth of the company and this depends on many factors external and internal. So don't be frustrated, keep your spirits high, you will grow in your career soon as I can understand that you are a honest and hard working professional. CHEERS !!!