ValuePRO Software interview questions

After 3 rounds of interviews (in-person and online) spanning many hours in total, I received no email or call about the outcome. I was told that I was free to call them anytime about the interview process but they were very dismissive when I called one week after the last interview and still couldn't just say that they decided to go with another candidate. I was asked to wait for a call "next week" which never came. Very unprofessional and disrespectful of people's time.