diff --git a/src/ai/api/ai_cargolist.cpp b/src/ai/api/ai_cargolist.cpp
new file mode 100644
--- /dev/null
+++ b/src/ai/api/ai_cargolist.cpp
@@ -0,0 +1,46 @@
+/* $Id$ */
+
+/** @file ai_cargolist.cpp Implementation of AICargoList and friends. */
+
+#include "ai_cargolist.hpp"
+#include "ai_industry.hpp"
+#include "../../openttd.h"
+#include "../../cargotype.h"
+#include "../../tile_type.h"
+#include "../../industry.h"
+
+AICargoList::AICargoList()
+{
+	for (byte i = 0; i < NUM_CARGO; i++) {
+		const CargoSpec *c = ::GetCargo(i);
+		if (c->IsValid()) {
+			this->AddItem(i);
+		}
+	}
+}
+
+AICargoList_IndustryAccepting::AICargoList_IndustryAccepting(IndustryID industry_id)
+{
+	if (!AIIndustry::IsValidIndustry(industry_id)) return;
+
+	Industry *ind = ::GetIndustry(industry_id);
+	for (uint i = 0; i < lengthof(ind->accepts_cargo); i++) {
+		CargoID cargo_id = ind->accepts_cargo[i];
+		if (cargo_id != CT_INVALID) {
+			this->AddItem(cargo_id);
+		}
+	}
+}
+
+AICargoList_IndustryProducing::AICargoList_IndustryProducing(IndustryID industry_id)
+{
+	if (!AIIndustry::IsValidIndustry(industry_id)) return;
+
+	Industry *ind = ::GetIndustry(industry_id);
+	for (uint i = 0; i < lengthof(ind->produced_cargo); i++) {
+		CargoID cargo_id = ind->produced_cargo[i];
+		if (cargo_id != CT_INVALID) {
+			this->AddItem(cargo_id);
+		}
+	}
+}