diff --git a/src/meter_amiplus.cc b/src/meter_amiplus.cc
index 832ca63..d2ad651 100644
--- a/src/meter_amiplus.cc
+++ b/src/meter_amiplus.cc
@@ -55,9 +55,11 @@ private:
 };
 
 MeterAmiplus::MeterAmiplus(WMBus *bus, string& name, string& id, string& key) :
-    MeterCommonImplementation(bus, name, id, key, AMIPLUS_METER, MANUFACTURER_APA, LinkMode::T1)
+    MeterCommonImplementation(bus, name, id, key, AMIPLUS_METER, 0, LinkMode::T1)
 {
     addMedia(0x02);
+    addManufacturer(MANUFACTURER_APA);
+    addManufacturer(MANUFACTURER_DEV);
     MeterCommonImplementation::bus()->onTelegram(calll(this,handleTelegram,Telegram*));
 }
 
diff --git a/src/meter_apator162.cc b/src/meter_apator162.cc
index 6540e53..b228914 100644
--- a/src/meter_apator162.cc
+++ b/src/meter_apator162.cc
@@ -195,7 +195,7 @@ void MeterApator162::printMeter(Telegram *t,
              Q(total_m3,%f)
              QSE(timestamp,%s)
              "}",
-             mediaType(manufacturer(), t->a_field_device_type).c_str(),
+             mediaType(t->a_field_device_type).c_str(),
              name().c_str(),
              t->id.c_str(),
              totalWaterConsumption(),
diff --git a/src/meter_iperl.cc b/src/meter_iperl.cc
index 55117b3..d6d6c37 100644
--- a/src/meter_iperl.cc
+++ b/src/meter_iperl.cc
@@ -195,7 +195,7 @@ void MeterIperl::printMeter(Telegram *t,
              Q(max_flow_m3h,%f)
              QSE(timestamp,%s)
              "}",
-             mediaType(manufacturer(), t->a_field_device_type).c_str(),
+             mediaType(t->a_field_device_type).c_str(),
              name().c_str(),
              t->id.c_str(),
              totalWaterConsumption(),
diff --git a/src/meter_multical21.cc b/src/meter_multical21.cc
index a082ce3..fc2fc00 100644
--- a/src/meter_multical21.cc
+++ b/src/meter_multical21.cc
@@ -578,7 +578,7 @@ void MeterMultical21::printMeter(Telegram *t,
              QS(time_bursting,%s)
              QSE(timestamp,%s)
              "}",
-             mediaType(manufacturer(), t->a_field_device_type).c_str(),
+             mediaType(t->a_field_device_type).c_str(),
              meter_name_,
              name().c_str(),
              t->id.c_str(),
diff --git a/src/meter_supercom587.cc b/src/meter_supercom587.cc
index a80c5fd..a35f90d 100644
--- a/src/meter_supercom587.cc
+++ b/src/meter_supercom587.cc
@@ -180,7 +180,7 @@ void MeterSupercom587::printMeter(Telegram *t,
              Q(total_m3,%f)
              QSE(timestamp,%s)
              "}",
-             mediaType(manufacturer(), t->a_field_device_type).c_str(),
+             mediaType(t->a_field_device_type).c_str(),
              name().c_str(),
              t->id.c_str(),
              totalWaterConsumption(),
diff --git a/src/meters.cc b/src/meters.cc
index 9552825..462b5d4 100644
--- a/src/meters.cc
+++ b/src/meters.cc
@@ -23,7 +23,7 @@
 MeterCommonImplementation::MeterCommonImplementation(WMBus *bus, string& name, string& id, string& key,
                                                      MeterType type, int manufacturer,
                                                      LinkMode required_link_mode) :
-    type_(type), manufacturer_(manufacturer), name_(name), bus_(bus),
+    type_(type), name_(name), bus_(bus),
     required_link_mode_(required_link_mode)
 {
     use_aes_ = true;
@@ -33,6 +33,9 @@ MeterCommonImplementation::MeterCommonImplementation(WMBus *bus, string& name, s
     } else {
         hex2bin(key, &key_);
     }
+    if (manufacturer) {
+        manufacturers_.insert(manufacturer);
+    }
 }
 
 MeterType MeterCommonImplementation::type()
@@ -40,11 +43,6 @@ MeterType MeterCommonImplementation::type()
     return type_;
 }
 
-int MeterCommonImplementation::manufacturer()
-{
-    return manufacturer_;
-}
-
 vector<int> MeterCommonImplementation::media()
 {
     return media_;
@@ -55,6 +53,11 @@ void MeterCommonImplementation::addMedia(int m)
     media_.push_back(m);
 }
 
+void MeterCommonImplementation::addManufacturer(int m)
+{
+    manufacturers_.insert(m);
+}
+
 vector<string> MeterCommonImplementation::ids()
 {
     return ids_;
@@ -155,7 +158,7 @@ bool MeterCommonImplementation::isTelegramForMe(Telegram *t)
         return false;
     }
 
-    if (manufacturer_ != 0 && t->m_field != manufacturer_) {
+    if (manufacturers_.count(t->m_field) == 0) {
         // We are not that strict for the manufacturer.
         // Simply warn.
         warning("(meter) %s: probably not for me since manufacturer differs\n", name_.c_str());
diff --git a/src/meters.h b/src/meters.h
index b34096e..b861a75 100644
--- a/src/meters.h
+++ b/src/meters.h
@@ -40,7 +40,6 @@ struct Meter {
     virtual vector<string> ids() = 0;
     virtual string name() = 0;
     virtual MeterType type() = 0;
-    virtual int manufacturer() = 0;
     virtual vector<int> media() = 0;
     virtual WMBus *bus() = 0;
     virtual LinkMode requiredLinkMode() = 0;
diff --git a/src/meters_common_implementation.h b/src/meters_common_implementation.h
index 82895a8..58a6464 100644
--- a/src/meters_common_implementation.h
+++ b/src/meters_common_implementation.h
@@ -21,13 +21,13 @@
 #include"meters.h"
 
 #include<map>
+#include<set>
 
 struct MeterCommonImplementation : public virtual Meter
 {
     vector<string> ids();
     string name();
     MeterType type();
-    int manufacturer();
     vector<int> media();
     WMBus *bus();
     LinkMode requiredLinkMode();
@@ -56,12 +56,13 @@ protected:
 
     void triggerUpdate(Telegram *t);
     void addMedia(int media);
+    void addManufacturer(int m);
 
 private:
 
     MeterType type_ {};
-    int manufacturer_ {};
-    vector<int> media_ {};
+    vector<int> media_;
+    set<int> manufacturers_;
     string name_;
     vector<string> ids_;
     vector<uchar> key_;
diff --git a/src/wmbus.cc b/src/wmbus.cc
index c67dbcd..1cde5b7 100644
--- a/src/wmbus.cc
+++ b/src/wmbus.cc
@@ -166,7 +166,7 @@ string deviceType(int m_field, int a_field_device_type) {
     return "Unknown";
 }
 
-string mediaType(int m_field, int a_field_device_type) {
+string mediaType(int a_field_device_type) {
     switch (a_field_device_type) {
     case 0: return "other";
     case 1: return "oil";
diff --git a/src/wmbus.h b/src/wmbus.h
index 34a4a5c..c85c342 100644
--- a/src/wmbus.h
+++ b/src/wmbus.h
@@ -151,7 +151,7 @@ unique_ptr<WMBus> openSimulator(string file, SerialCommunicationManager *manager
 string manufacturer(int m_field);
 string manufacturerFlag(int m_field);
 string deviceType(int m_field, int a_field_device_type);
-string mediaType(int m_field, int a_field_device_type);
+string mediaType(int a_field_device_type);
 string ciType(int ci_field);
 string cType(int c_field);
 string ccType(int cc_field);