diff --git a/src/newgrf_industries.h b/src/newgrf_industries.h
--- a/src/newgrf_industries.h
+++ b/src/newgrf_industries.h
@@ -13,6 +13,7 @@
 #define NEWGRF_INDUSTRIES_H
 
 #include "command_type.h"
+#include "company_type.h"
 #include "newgrf_spritegroup.h"
 
 /** When should the industry(tile) be triggered for random bits? */