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We searched for radio pulsations from the potential neutron star binarycompanions to subdwarf B stars HE 0532-4503, HE 0929-0424, TON S 183 and PG1232-136. Optical spectroscopy of these subdwarfs has indicated they orbit acompanion in the neutron star mass range. These companions are thought to playan important role in the poorly understood formation of subdwarf B stars. Usingthe Green Bank Telescope we searched down to mean flux densities as low as 0.2mJy, but no pulsed emission was found. We discuss the implications for eachsystem.

A search for radio pulsations from neutron star companions of four subdwarf B stars