top_company 와 condition_tit 이 
한꾸러미에 들어있지 않아서 정규식만으로는 힘들겠네요!
html 라이브러리를 사용하시던지 만드셔야 편해지겠습니다.
정규식을 제대로 사용하려면 구간의 시작과 끝이 
확실해야 하더군요!

   <td class="company">
    <dl>
     <dd class="scrap"><img src="http://img.incruit.com/common/icon/icon_scrap_no.gif" width="14" height="14" id="icon_scrap_nor_1410070032222" name="icon_scrap" title="클릭하면 스크랩됩니다" style="vertical-align:middle; margin-top:-1px;cursor:pointer " onclick="callScrapAdd('IncJob', '', '', '1410070032222', 'nor')" /></dd>
     <dd class="top_company"><a href="http://job.incruit.com/jobdb_info/jobpost.asp?job=1410070032222"> (주)지오매틱코리아 </a>
                  <p><a href="http://job.incruit.com/jobdb_list/searchjob.asp?ct=9&ty=1&cd=1" rel="nofollow"><a href="http://job.incruit.com/jobdb_list/searchjob.asp?ct=31&ty=1&cd=1" rel="nofollow">우수기업</a></a></p>
     </dd>
    </dl>
   </td>
   <td>
    <ul class="jobtitle">
     <li  class="condition_tit"><a href="http://job.incruit.com/jobdb_info/jobpost.asp?job=1410070032222"  class="vcheck"> 병역특례 정보처리분야(보충역) 모집 </a>
     <span id="RecmdIcon"><img src="http://img.incruit.com/fe/sub_home_contents_job/img/bullet/icon_ucc03.gif" onmouseover="fnShowRecmd_Layer(this);return false;" onmouseout="fnHideRecmd_Layer(this);return false;"></span>
     </li>
     <li class="condition"><span class="terms">병역특례 | 회사내규</span>
     </li>
     <li class="new">
      <a href="http://job.incruit.com/jobdb_info/jobpost.asp?job=1410070032222"  onclick="return goCL(this,'18011','job','새창');" target="_blank" class="new" rel="nofollow"><span>새창</span></a>
     </li>
    </ul>
   </td>

/** The same as curl_exec except tries its best to convert the output to utf8 **/
function curl_exec_utf8($ch) {
    $data = curl_exec($ch);
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    $content_type = curl_getinfo($ch, CURLINFO_CONTENT_TYPE);

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    }

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    }

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    }

    /* 5: Default for HTML */
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    }

    /* Convert it if it is anything but UTF-8 */
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    if (isset($charset) && strtoupper($charset) != "UTF-8")
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    return $data;
}