Here are codes added to those above files:
Code company_profile.php
<!– Add new field –>
<div class=”form-group row”>
<label for=”new_field” class=”col-sm-3 control-label”><?php _e(‘New Field’,’noo’)?></label>
<div class=”col-sm-9″>
<input type=”text” class=”form-control” id=”new_field” value=”<?php echo ($company_id ? noo_get_post_meta($company_id,’_new_field’) : ”) ?>” name=”new_field” placeholder=”<?php echo esc_attr__(‘Enter your text’,’noo’)?>”>
</div>
</div>+++++++++++++Code noo_form_handler.php
// ===== Update New field
update_post_meta($company_id, ‘_new_field’, wp_kses( $args[‘new_field’], $no_html ) );+++++++++++++
Code noo_company_info.php
<!– Show info New Field –>
<div class=”info-new-field”>
<?php
// ===== Get info field
$new_field = noo_get_post_meta( $company_id, ‘_new_field’ );// ===== Show info field
echo ‘<div class=”item-field”>’ . $new_field . ‘</div>’;
?>
</div>
<!– END Show info New Field –>