건설 철강 시멘트회사규모(명)시기전화계룡건설산업미정11월초042-480-7203고려제강〃12월초02-3166-123동양메이저〃10월중순02-3770-3089동양석판〃11월초02-2639-1743삼부토건219월말02-3706-2108삼성엔지니어링미정10월중순02-3458-4894세아제강〃11월중순02-3783-8117한일시멘트공업10〃02-531-7194현대산업개발1012월말02-2008-9222LG건설미정12월중순02-728-2653동국제강30∼50〃02-317-1078벽산건설미정12월초02-767-5137포항제철130수시02-3457-0404현대시멘트미정10월하순02-520-2040
CJ개발〃9월말02-3677-0128두산건설5010월중순02-510-3426롯데건설30∼3511월02-3480-9078쌍용건설약간수시02-3433-7117풍림산업미정11월중순02-5286-314∼5