Yes, I believe there is....
For your non-degreed librarians* and library support staff or paralibrarians, there is a state certification available to them. Perhaps you know about it, perhaps not. It is the PAralibrarian Recognition of Achievement Certification.
http://www.masslib.org/PARAProgram *non-degreed librarians are those staff whose title includes "librarian" even though they don't have an MLS or similar degree