function doLookup()
{
    $connect = new ConnectDB();
    $db = $connect->Product_Database();
    // Product Classes
    $ProdClasses = $db->query("SELECT PRODUCT_CLASS_ID FROM PRODUCT_CLASSES_TABLE WITH(NOLOCK)");
    $ProdClasses = $ProdClasses->fetchAllRows();
    foreach ($ProdClasses as $k => $v) {
        $Lookup['PRODUCT_CLASS_ID'][] = $v['PRODUCT_CLASS_ID'];
    }
    // Brand Names
    $Brands = $db->query("SELECT DISTINCT(BRAND) AS BRANDS FROM INVENTORY_TABLE WITH(NOLOCK);");
    $Brands = $Brands->fetchAllRows();
    foreach ($Brands as $k => $v) {
        $Lookup['BRANDS'][] = $v['BRANDS'];
    }
    // Vendor IDs
    $Vendors = $db->query("SELECT VENDOR_ITEM_ID AS VENDORS FROM VENDOR_TABLE WITH(NOLOCK);");
    $Vendors = $Vendors->fetchAllRows();
    foreach ($Vendors as $k => $v) {
        $Lookup['VENDORS'][] = $v['VENDORS'];
    }
    // Destroy actual lookups (Everything is in a different array)
    unset($Vendors);
    unset($Brands);
    unset($ProdClasses);
    return $Lookup;
}