What are the US states that have mandated sales tax collection?

SysCloud collects sales tax in the following states:

1. Connecticut
2. Georgia
3. Illinois
4. Maine
5. Maryland
6. Massachusetts
7. New Jersey
8. New Mexico
9. New York
10. North Carolina
11. Ohio
12. Pennsylvania
13. Rhode Island
14. South Carolina
15. Tennessee
16. Texas
17. Utah
18. Vermont
19. Washington
20. Wisconsin
21. District of Columbia
22. Virginia