\!h /app/code/local/Theme/Genderoptions/etc/config.xml
<?xml version="1.0"?>
<config>
<modules>
<Theme_Genderoptions>
<version>1.0.0.0</version>
</Theme_Genderoptions>
</modules>
<global>
<resources>
<custom_gender_options>
<setup>
<module>Theme_Genderoptions</module>
<class>Mage_Customer_Model_Entity_Setup</class>
</setup>
<connection>
<use>core_setup</use>
</connection>
</custom_gender_options>
</resources>
</global>
</config>
\!h /app/code/local/Theme/Genderoptions/sql/custom_gender_options
<?php
/* @var $installer Mage_Customer_Model_Entity_Setup */
$installer = $this;
$installer->startSetup();
$tableOptions = $installer->getTable('eav_attribute_option');
$tableOptionValues = $installer->getTable('eav_attribute_option_value');
$attributeId = (int)$installer->getAttribute('customer', 'gender', 'attribute_id');
$data = array(
'attribute_id' => $attributeId,
'sort_order' => 2,
);
$installer->getConnection()->insert($tableOptions, $data);
// add option label
$optionId = (int)$installer->getConnection()->lastInsertId($tableOptions, 'option_id');
$data = array(
'option_id' => $optionId,
'store_id' => 0,
'value' => 'Company',
);
$installer->getConnection()->insert($tableOptionValues, $data);
\!h /app/etc/modules/Theme_Genderoptions.xml
<?xml version="1.0"?>
<config>
<modules>
<Theme_Genderoptions>
<active>true</active>
<codePool>local</codePool>
</Theme_Genderoptions>
</modules>
</config>