app/code/Bensupply/DisplaySupplierNameAdmin/etc/module.xml
<?xml version="1.0"?>
<config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="../../../../../lib/internal/Magento/Framework/Module/etc/module.xsd">
<module name="Bensupply_DisplaySupplierNameAdmin" setup_version="2.0.3"></module>
</config>
Bensupply/DisplaySupplierNameAdmin/view/adminhtml/layout/sales_order_view.xml
<?xml version="1.0"?>
<page xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<body>
<referenceBlock name="column_name">
<action method="setTemplate">
<argument name="template" xsi:type="string">Bensupply_DisplaySupplierNameAdmin::items/column/name.phtml</argument>
</action>
</referenceBlock>
</body>
</page>
app/code/Bensupply/DisplaySupplierNameAdmin/view/adminhtml/templates/items/column/name.phtml
<?php
/**
* Copyright © 2013-2017 Magento, Inc. All rights reserved.
* See COPYING.txt for license details.
*/
// @codingStandardsIgnoreFile
?>
<?php
/**
* @see \Magento\Sales\Block\Adminhtml\Items\Column\Name
*/
?>
<?php if ($_item = $block->getItem()): ?>
<div id="order_item_<?php /* @escapeNotVerified */ echo $_item->getId() ?>_title"
class="product-title">
<?php echo $block->escapeHtml($_item->getName()) ?>
</div>
<div class="product-sku-block">
<span><?php /* @escapeNotVerified */ echo __('SKU---') ?>:</span> <?php echo implode('<br />', $this->helper('Magento\Catalog\Helper\Data')->splitSku($block->escapeHtml($block->getSku()))); ?>
</div>
<?php if ($block->getOrderOptions()): ?>
<dl class="item-options">
<?php foreach ($block->getOrderOptions() as $_option): ?>
<dt><?php /* @escapeNotVerified */ echo $_option['label'] ?>:</dt>
<dd>
<?php if (isset($_option['custom_view']) && $_option['custom_view']): ?>
<?php /* @escapeNotVerified */ echo $block->getCustomizedOptionValue($_option); ?>
<?php else: ?>
<?php $_option = $block->getFormattedOption($_option['value']); ?>
<?php /* @escapeNotVerified */ echo $_option['value']; ?><?php if (isset($_option['remainder']) && $_option['remainder']): ?><span id="<?php /* @escapeNotVerified */ echo $_dots = 'dots' . uniqid()?>"> ...</span><span id="<?php /* @escapeNotVerified */ echo $_id = 'id' . uniqid()?>"><?php /* @escapeNotVerified */ echo $_option['remainder'] ?></span>
<script>
require(['prototype'], function() {
$('<?php /* @escapeNotVerified */ echo $_id ?>').hide();
$('<?php /* @escapeNotVerified */ echo $_id ?>').up().observe('mouseover', function(){$('<?php /* @escapeNotVerified */ echo $_id ?>').show();});
$('<?php /* @escapeNotVerified */ echo $_id ?>').up().observe('mouseover', function(){$('<?php /* @escapeNotVerified */ echo $_dots?>').hide();});
$('<?php /* @escapeNotVerified */ echo $_id ?>').up().observe('mouseout', function(){$('<?php /* @escapeNotVerified */ echo $_id ?>').hide();});
$('<?php /* @escapeNotVerified */ echo $_id ?>').up().observe('mouseout', function(){$('<?php /* @escapeNotVerified */ echo $_dots ?>').show();});
});
</script>
<?php endif; ?>
<?php endif; ?>
</dd>
<?php endforeach; ?>
</dl>
<?php endif; ?>
<?php echo $block->escapeHtml($_item->getDescription()) ?>
<?php endif; ?>