No, not 'inside knowledge' (whatever that is), just been researching this stuff an awfully long time....
It is not 101569: that's a 1/2 ton trailer.
As Richard has said, his REMLR lists are a work in progress, and are incomplete.
But why do you doubt my post? Believe me: 101969 is a Contractor, and your mate Steve is incorrect in his assumption (dangerous things, assumptions....). 101964 to 101993 are all Contractors.
Mike C