add_filter( 'aioseo_local_business_output_business_info_location_data', 'aioseo_change_local_business_output_business_info_location_data', 10, 3 );

function aioseo_change_local_business_output_business_info_location_data( $locationData, $instance, $postId ) {

	$locationData->name .= ' LLC';

	return $locationData;

}