diff --git a/src/main/java/geoinfo/drilling/input/service/impl/DrillingInputServiceImpl.java b/src/main/java/geoinfo/drilling/input/service/impl/DrillingInputServiceImpl.java
index 5bfcb185..e35feb99 100644
--- a/src/main/java/geoinfo/drilling/input/service/impl/DrillingInputServiceImpl.java
+++ b/src/main/java/geoinfo/drilling/input/service/impl/DrillingInputServiceImpl.java
@@ -99,9 +99,17 @@ public class DrillingInputServiceImpl implements DrillingInputService {
 		
         
 		try {
+			String constCompanyName = MyUtil.getStringFromObject( params.get("constCompanyName") );
 			Long constCompanyCode = drillingInputMapper.findConstCompanyCodeByConstCompanyName(params);			
 			params.put("constCompanyCode", constCompanyCode);
 			drillingInputMapper.spAddTblCsi(params);
+
+			if( constCompanyName == null ) {
+				return params;
+			}
+			if( constCompanyName.trim().equals("") ) { // '건설사 미선정'에 체크 함.
+				return params;
+			}
 			/**
 			 * 기업사용자를 지정했다면
 			 *  : 기업사용자 프로젝트 목록에도 등록이 필요함. 등록시 필요한 파라미터를 셋팅한다. 
diff --git a/src/main/webapp/WEB-INF/views/drilling/common/includeTopMenu.jsp b/src/main/webapp/WEB-INF/views/drilling/common/includeTopMenu.jsp
index ec7a1746..5ec639e7 100644
--- a/src/main/webapp/WEB-INF/views/drilling/common/includeTopMenu.jsp
+++ b/src/main/webapp/WEB-INF/views/drilling/common/includeTopMenu.jsp
@@ -86,7 +86,8 @@
                 </c:if>
                  <c:if test="${'305' == masterCompanyCode}">                
                 	<h1 class="logo logo-09"><a href="/topMenuSelect.do?url=mypage_main">한국공항공사</a></h1>
-                </c:if>                 <c:if test="${'903' == masterCompanyCode}">                
+                </c:if>
+                <c:if test="${'903' == masterCompanyCode || '671' == masterCompanyCode }">                
                 	<h1 class="logo logo-10"><a href="/topMenuSelect.do?url=mypage_main">한국철도공사</a></h1>
                 </c:if>