diff --git a/src/main/resources/egovframework/sqlmap/mapper/drilling/input/DrillingInputMapper.xml b/src/main/resources/egovframework/sqlmap/mapper/drilling/input/DrillingInputMapper.xml
index f2c18bf1..f8ae25f6 100644
--- a/src/main/resources/egovframework/sqlmap/mapper/drilling/input/DrillingInputMapper.xml
+++ b/src/main/resources/egovframework/sqlmap/mapper/drilling/input/DrillingInputMapper.xml
@@ -71,58 +71,27 @@
 	</select>	
 	
 	<select id="selectConstructCompanyList" parameterType="map" resultType="egovMap">
-		SELECT
-			TRIM(wmi.COMPANY_NAME) AS COMPANY_NAME,
-			wmi.USERID,
-			TRIM(wmi.PART_NAME) AS PART_NAME,
-			wmi.EMAIL
-		FROM
-			web_member_in wmi
-		WHERE
-			wmi.CLS = 1
-			and wmi.COMPANY_NAME NOT IN ('111', 'a')
-			and wmi.COMPANY_NAME is not NULL 
-			and wmi.COMPANY_NAME LIKE  '%' || #{companyName} || '%' 
-		UNION					
-		SELECT
-			TRIM(wmi.COMPANY_NAME) AS COMPANY_NAME,
-			wmi.USERID,
-			TRIM(wmi.PART_NAME) AS PART_NAME,
-			wmi.EMAIL
-		FROM
-			web_member_in wmi
-		WHERE
-			wmi.CLS = 1
-			and wmi.COMPANY_NAME NOT IN ('111', 'a')
-			and wmi.COMPANY_NAME is not NULL 
-			and wmi.USER_NAME like '%' || #{companyName} || '%' 
-		UNION					
-		SELECT
-			TRIM(wmi.COMPANY_NAME) AS COMPANY_NAME,
-			wmi.USERID,
-			TRIM(wmi.PART_NAME) AS PART_NAME,
-			wmi.EMAIL
-		FROM
-			web_member_in wmi
-		WHERE
-			wmi.CLS = 1
-			and wmi.COMPANY_NAME NOT IN ('111', 'a')
-			and wmi.COMPANY_NAME is not NULL 
-			and wmi.USERID like '%' || #{companyName} || '%'
-		UNION					
-		SELECT
-			TRIM(wmi.COMPANY_NAME) AS COMPANY_NAME,
-			wmi.USERID,
-			TRIM(wmi.PART_NAME) AS PART_NAME,
-			wmi.EMAIL
-		FROM
-			web_member_in wmi
-		WHERE
-			wmi.CLS = 1
-			and wmi.COMPANY_NAME NOT IN ('111', 'a')
-			and wmi.COMPANY_NAME is not NULL 
-			and wmi.EMAIL like '%' || #{companyName} || '%'
-	</select>	
+	    SELECT
+	        TRIM(wmi.COMPANY_NAME) AS COMPANY_NAME,
+	        wmi.USERID,
+	        TRIM(wmi.PART_NAME) AS PART_NAME,
+	        wmi.EMAIL
+	    FROM
+	        web_member_in wmi
+	    WHERE
+	        wmi.CLS = 1
+	        AND wmi.COMPANY_NAME IS NOT NULL
+	        AND wmi.COMPANY_NAME NOT IN ('111', 'a')
+	        <choose>
+	            <when test='companyName != null and companyName.length() >= 2'>
+	                AND CONTAINS(wmi.COMPANY_NAME, '%' || #{companyName} || '%') > 0
+	            </when>
+	            <otherwise>
+	                AND 1 = 0
+	            </otherwise>
+	        </choose>
+        	AND ROWNUM &lt;= 50
+	</select>
 	
 	<select id="getDepartments" parameterType="map" resultType="egovMap">
 		SELECT