Prudential, MassMutual Probed by Massachusetts on Pensions

Prudential Financial Inc. and Massachusetts Mutual Life Insurance Co. are among firms under investigation by a Massachusetts regulator who is expanding an inquiry spurred by MetLife Inc.’s failure to pay some pension obligations to about 13,500 customers.

Secretary of the Commonwealth William Galvin also will look at Principal Financial Group Inc. and Aegon NV’s Transamerica, both of which provide retirement benefits, his office said March 1 in a statement. MetLife provided Galvin’s office with names of the retired workers who are owed money.

MetLife disclosed in December that it had lost track of some clients owed pension benefits and was ...