diff --git a/src/ai/api/ai_industrytype.hpp b/src/ai/api/ai_industrytype.hpp
new file mode 100644
--- /dev/null
+++ b/src/ai/api/ai_industrytype.hpp
@@ -0,0 +1,114 @@
+/* $Id$ */
+
+/** @file ai_industrytype.hpp Everything to query and build industries. */
+
+#ifndef AI_INDUSTRYTYPE_HPP
+#define AI_INDUSTRYTYPE_HPP
+
+#include "ai_object.hpp"
+#include "ai_error.hpp"
+#include "ai_list.hpp"
+
+/**
+ * Class that handles all industry-type related functions.
+ */
+class AIIndustryType : public AIObject {
+public:
+	static const char *GetClassName() { return "AIIndustryType"; }
+
+	/**
+	 * Checks whether the given industry-type is valid.
+	 * @param industry_type The type check.
+	 * @return True if and only if the industry-type is valid.
+	 */
+	static bool IsValidIndustryType(IndustryType industry_type);
+
+	/**
+	 * Get the name of an industry-type.
+	 * @param industry_type The type to get the name for.
+	 * @pre IsValidIndustryType(industry_type).
+	 * @return The name of an industry.
+	 */
+	static const char *GetName(IndustryType industry_type);
+
+	/**
+	 * Get a list of CargoID possible produced by this industry-type.
+	 * @param industry_type The type to get the CargoIDs for.
+	 * @pre IsValidIndustryType(industry_type).
+	 * @return The CargoIDs of all cargotypes this industry could produce.
+	 */
+	static AIList *GetProducedCargo(IndustryType industry_type);
+
+	/**
+	 * Get a list of CargoID accepted by this industry-type.
+	 * @param industry_type The type to get the CargoIDs for.
+	 * @pre IsValidIndustryType(industry_type).
+	 * @return The CargoIDs of all cargotypes this industry accepts.
+	 */
+	static AIList *GetAcceptedCargo(IndustryType industry_type);
+
+	/**
+	 * Is this industry type a raw industry?
+	 * @param industry_type The type of the industry.
+	 * @pre IsValidIndustryType(industry_type).
+	 * @return True if it should be handled as a raw industry.
+	 */
+	static bool IsRawIndustry(IndustryType industry_type);
+
+	/**
+	 * Can the production of this industry increase?
+	 * @param industry_type The type of the industry.
+	 * @pre IsValidIndustryType(industry_type).
+	 * @return True if the production of this industry can increase.
+	 */
+	static bool ProductionCanIncrease(IndustryType industry_type);
+
+	/**
+	 * Get the cost for building this industry-type.
+	 * @param industry_type The type of the industry.
+	 * @pre IsValidIndustryType(industry_type).
+	 * @return The cost for building this industry-type.
+	 */
+	static Money GetConstructionCost(IndustryType industry_type);
+
+	/**
+	 * Can you build this type of industry?
+	 * @param industry_type The type of the industry.
+	 * @pre IsValidIndustryType(industry_type).
+	 * @return True if you can prospect this type of industry.
+	 * @note Returns false if you can only prospect this type of industry.
+	 */
+	static bool CanBuildIndustry(IndustryType industry_type);
+
+	/**
+	 * Can you prospect this type of industry?
+	 * @param industry_type The type of the industry.
+	 * @pre IsValidIndustryType(industry_type).
+	 * @return True if you can prospect this type of industry.
+	 * @note If the patch setting "Manual primary industry construction method" is set
+	 * to either "None" or "as other industries" this function always returns false.
+	 */
+	static bool CanProspectIndustry(IndustryType industry_type);
+
+	/**
+	 * Build an industry of the specified type.
+	 * @param industry_type The type of the industry to build.
+	 * @param tile The tile to build the industry on.
+	 * @pre CanBuildIndustry(industry_type).
+	 * @return True if the industry was succesfully build.
+	 */
+	static bool BuildIndustry(IndustryType industry_type, TileIndex tile);
+
+	/**
+	 * Prospect an industry of this type. Prospecting an industries let the game try to create
+	 * an industry on a random place on the map.
+	 * @param industry_type The type of the industry.
+	 * @pre CanProspectIndustry(industry_type).
+	 * @return True if no error occured while trying to prospect.
+	 * @note Even if true is returned there is no guarantee a new industry is build.
+	 * @note If true is returned the money is paid, whether a new industry was build or not.
+	 */
+	static bool ProspectIndustry(IndustryType industry_type);
+};
+
+#endif /* AI_INDUSTRYTYPE_HPP */