partner-contact/partner_industry/view/partner.xml

<?xml version="1.0" encoding="utf-8"?>
<openerp>
    <data>

        <record id="view_partner_filter" model="ir.ui.view">
            <field name="name">res.partner.search.industry</field>
            <field name="model">res.partner</field>
            <field name="inherit_id" ref="base.view_res_partner_filter" />
            <field name="arch" type="xml">
                <field name="category_id" position="after">
                    <field name="industry_id"/>
                </field>
                <xpath expr="//filter[@string='Country']" position="after">
                    <filter string="Sector" context="{'group_by': 'industry_id'}"/>
                </xpath>
            </field>
        </record>

        <record id="view_partner_form" model="ir.ui.view">
            <field name="name">res.partner.form.industry</field>
            <field name="model">res.partner</field>
            <field name="inherit_id" ref="base.view_partner_form" />
            <field name="arch" type="xml">
                <field name="category_id" position="after">
                    <field name="industry_id" placeholder="Industry Sector.."
                        attrs="{'invisible':[('is_company','=', False)]}"/>
                </field>
            </field>
        </record>

    </data>
</openerp>