<?php
function addInakademiaCoustomColumns($columns) {
$columns['company_name'] = 'company_name';
return $columns;
}
add_filter('manage_users_columns', 'addInakademiaCoustomColumns');

function addInakademiaCoustomColumnsValues( $value, $column_name, $user_id ) {
if($column_name=='company_name') {
    $company = CompanyEmployee::getInstance()->getEmployeeCompany($user_id);
    if($company) {
        return get_user_field("invoice_company_name", $company->ID);
    }
}
return '';
}
add_action('manage_users_custom_column', 'addInakademiaCoustomColumnsValues', 10, 3);

function company_name_column_register_sortable( $columns ) {
$columns['company_name'] = 'company_name';

return $columns;
}
add_filter( 'manage_users_sortable_columns', 'company_name_column_register_sortable' );

function company_name_column_orderby( $vars ) {
if ( isset( $vars['orderby'] ) && 'company_name' == $vars['orderby'] ) {
    $vars = array_merge( $vars, array(
        'meta_key' => 'company_name',
        'orderby' => 'meta_value'
    ) );
}

return $vars;
}
add_filter( 'request', 'company_name_column_orderby' );