CSA = Canadian Standards Association

UL = Underwriters Laboratories -- not 100% sure, but I was told this started as a product evaluation lab for a collection of insurance companies and grew from there.

M60ti, VP180, QS8, M2ti, EP500, PC-Plus 20-39
M5HP, M40ti, Sierra-1
LFR1100 active, ADA1500-4 and -8