diff --git a/test/data/ims_otrs_customers.json b/test/data/ims_otrs_customers.json
new file mode 100644
index 0000000000000000000000000000000000000000..c5da5600087ba4175a495f9ad802674ce684db6b
--- /dev/null
+++ b/test/data/ims_otrs_customers.json
@@ -0,0 +1,276 @@
+{
+    "Customer": [
+        {
+            "Id": 57284,
+            "ParentCustomerId": null,
+            "Name": "DUMMY 1",
+            "FullName": "DUMMY 1",
+            "Number": null,
+            "Address": "",
+            "PhoneNumber": "",
+            "FaxNumber": "",
+            "AccountManager": "",
+            "AccountEmail": "",
+            "Code": "",
+            "SlaId": null,
+            "ServiceCenter": 0,
+            "ServiceCenterName": "",
+            "Website": "",
+            "CustomerTypeId": null,
+            "PwCodeBlue": 0,
+            "PwInformProtectionSwitch": 0,
+            "PwInformDown": 0,
+            "PwInformAtRisk": 0,
+            "PwInformImPact": 0,
+            "PwInformNoImPact": 0,
+            "PwExtraInfo": "",
+            "PwLanguage": "",
+            "CountryId": null,
+            "Sla": null,
+            "Sites": null,
+            "Nodes": null,
+            "Racks": null,
+            "Orders": null,
+            "PwInformedList": null,
+            "Circuits": null,
+            "OloCircuits": null,
+            "ChannelReservations": null,
+            "PortReservations": null,
+            "IpRanges": null,
+            "NumberManagementList": null,
+            "CustomerRelatedContacts": null,
+            "CustomerRelatedContracts": null,
+            "InNumbers": null,
+            "ManagementSystems": null,
+            "CustomerType": null,
+            "ContractCustomerRelations": null,
+            "ParentCustomer": null,
+            "SubCustomers": null,
+            "EsimProfiles": null,
+            "Esims": null,
+            "Country": null,
+            "PwEmailSetups": null,
+            "TelephoneNumbers": null,
+            "TelephoneNumberRanges": null,
+            "RowVersion": "2016-05-18T10:20:38",
+            "Errors": null,
+            "HasErrors": false
+        },
+        {
+            "Id": 57603,
+            "ParentCustomerId": null,
+            "Name": "DUMMY 2",
+            "FullName": "DUMMY 2",
+            "Number": null,
+            "Address": "",
+            "PhoneNumber": "",
+            "FaxNumber": "",
+            "AccountManager": "",
+            "AccountEmail": "",
+            "Code": "",
+            "SlaId": null,
+            "ServiceCenter": 0,
+            "ServiceCenterName": "",
+            "Website": "",
+            "CustomerTypeId": 1,
+            "PwCodeBlue": 0,
+            "PwInformProtectionSwitch": 1,
+            "PwInformDown": 1,
+            "PwInformAtRisk": 1,
+            "PwInformImPact": 1,
+            "PwInformNoImPact": 1,
+            "PwExtraInfo": "",
+            "PwLanguage": "",
+            "CountryId": null,
+            "Sla": null,
+            "Sites": null,
+            "Nodes": null,
+            "Racks": null,
+            "Orders": null,
+            "PwInformedList": null,
+            "Circuits": null,
+            "OloCircuits": null,
+            "ChannelReservations": null,
+            "PortReservations": null,
+            "IpRanges": null,
+            "NumberManagementList": null,
+            "CustomerRelatedContacts": null,
+            "CustomerRelatedContracts": null,
+            "InNumbers": null,
+            "ManagementSystems": null,
+            "CustomerType": null,
+            "ContractCustomerRelations": null,
+            "ParentCustomer": null,
+            "SubCustomers": null,
+            "EsimProfiles": null,
+            "Esims": null,
+            "Country": null,
+            "PwEmailSetups": null,
+            "TelephoneNumbers": null,
+            "TelephoneNumberRanges": null,
+            "RowVersion": "2020-01-31T13:35:07",
+            "Errors": null,
+            "HasErrors": false
+        },
+        {
+            "Id": 57604,
+            "ParentCustomerId": null,
+            "Name": "DUMMY 3",
+            "FullName": "DUMMY 3",
+            "Number": null,
+            "Address": "",
+            "PhoneNumber": "",
+            "FaxNumber": "",
+            "AccountManager": "",
+            "AccountEmail": "",
+            "Code": "",
+            "SlaId": null,
+            "ServiceCenter": 0,
+            "ServiceCenterName": "",
+            "Website": "",
+            "CustomerTypeId": 1,
+            "PwCodeBlue": 0,
+            "PwInformProtectionSwitch": 1,
+            "PwInformDown": 1,
+            "PwInformAtRisk": 1,
+            "PwInformImPact": 1,
+            "PwInformNoImPact": 1,
+            "PwExtraInfo": "",
+            "PwLanguage": "",
+            "CountryId": null,
+            "Sla": null,
+            "Sites": null,
+            "Nodes": null,
+            "Racks": null,
+            "Orders": null,
+            "PwInformedList": null,
+            "Circuits": null,
+            "OloCircuits": null,
+            "ChannelReservations": null,
+            "PortReservations": null,
+            "IpRanges": null,
+            "NumberManagementList": null,
+            "CustomerRelatedContacts": null,
+            "CustomerRelatedContracts": null,
+            "InNumbers": null,
+            "ManagementSystems": null,
+            "CustomerType": null,
+            "ContractCustomerRelations": null,
+            "ParentCustomer": null,
+            "SubCustomers": null,
+            "EsimProfiles": null,
+            "Esims": null,
+            "Country": null,
+            "PwEmailSetups": null,
+            "TelephoneNumbers": null,
+            "TelephoneNumberRanges": null,
+            "RowVersion": "2020-01-31T13:35:07",
+            "Errors": null,
+            "HasErrors": false
+        }
+    ],
+    "Vendor": [
+        {
+            "Id": 2482,
+            "Name": "DUMMY 4",
+            "TypeId": 1,
+            "SlaOnSiteId": null,
+            "SlaMainTimeToRepairId": null,
+            "SlaLink": "",
+            "SlaDescription": "",
+            "Description": "TESTVENDORDESCRIPTION",
+            "SpareOwner": "",
+            "StockLocation": "",
+            "StockContact": "",
+            "InternetAddress": "",
+            "MasterAccount": "",
+            "EscalationDescription": "",
+            "Color": "",
+            "IssuerCodeEsim": null,
+            "MnoCode": "",
+            "EumId": "",
+            "EquipmentDefinitions": null,
+            "ManagementSystems": null,
+            "CardCodes": null,
+            "CardDefinitions": null,
+            "CableTypes": null,
+            "VendorRelatedContacts": null,
+            "VendorMaterialTypes": null,
+            "Contract": null,
+            "SlaOnSite": null,
+            "SlaMainTimeToRepair": null,
+            "Type": null,
+            "RowVersion": "2020-01-23T16:34:30",
+            "Errors": null,
+            "HasErrors": false
+        },
+        {
+            "Id": 2502,
+            "Name": "DUMMY 5",
+            "TypeId": 13,
+            "SlaOnSiteId": null,
+            "SlaMainTimeToRepairId": null,
+            "SlaLink": "",
+            "SlaDescription": "",
+            "Description": "",
+            "SpareOwner": "",
+            "StockLocation": "",
+            "StockContact": "",
+            "InternetAddress": "",
+            "MasterAccount": "",
+            "EscalationDescription": "",
+            "Color": "",
+            "IssuerCodeEsim": null,
+            "MnoCode": "",
+            "EumId": "",
+            "EquipmentDefinitions": null,
+            "ManagementSystems": null,
+            "CardCodes": null,
+            "CardDefinitions": null,
+            "CableTypes": null,
+            "VendorRelatedContacts": null,
+            "VendorMaterialTypes": null,
+            "Contract": null,
+            "SlaOnSite": null,
+            "SlaMainTimeToRepair": null,
+            "Type": null,
+            "RowVersion": "2020-01-31T13:30:42",
+            "Errors": null,
+            "HasErrors": false
+        },
+        {
+            "Id": 2503,
+            "Name": "DUMMY 2",
+            "TypeId": 14,
+            "SlaOnSiteId": null,
+            "SlaMainTimeToRepairId": null,
+            "SlaLink": "",
+            "SlaDescription": "",
+            "Description": "",
+            "SpareOwner": "",
+            "StockLocation": "",
+            "StockContact": "",
+            "InternetAddress": "",
+            "MasterAccount": "",
+            "EscalationDescription": "",
+            "Color": "",
+            "IssuerCodeEsim": null,
+            "MnoCode": "",
+            "EumId": "",
+            "EquipmentDefinitions": null,
+            "ManagementSystems": null,
+            "CardCodes": null,
+            "CardDefinitions": null,
+            "CableTypes": null,
+            "VendorRelatedContacts": null,
+            "VendorMaterialTypes": null,
+            "Contract": null,
+            "SlaOnSite": null,
+            "SlaMainTimeToRepair": null,
+            "Type": null,
+            "RowVersion": "2020-01-31T13:30:42",
+            "Errors": null,
+            "HasErrors": false
+        }
+    ]
+}
\ No newline at end of file
diff --git a/test/test_ims_data.py b/test/test_ims_data.py
index 3afd06359eec764108ab0889c23824aa62ecccfe..4a951ec054df8df4397189dc4c2de7f826e75cc8 100644
--- a/test/test_ims_data.py
+++ b/test/test_ims_data.py
@@ -2,7 +2,8 @@ import json
 
 import inventory_provider
 from inventory_provider.db.ims import InventoryStatus
-from inventory_provider.db.ims_data import lookup_pop_info, lookup_lg_routers
+from inventory_provider.db.ims_data import lookup_pop_info, lookup_lg_routers, \
+    otrs_get_customer_company_rows
 
 
 def test_lookup_lg_routers(mocker):
@@ -29,7 +30,7 @@ def test_lookup_lg_routers(mocker):
     }
 
     ds = inventory_provider.db.ims.IMS(
-        'dummy_base', 'dmmy_username', 'dummy_password')
+        'dummy_base', 'dummy_username', 'dummy_password')
 
     res = list(lookup_lg_routers(ds))
 
@@ -66,7 +67,7 @@ def test_lookup_pop_info(mocker):
     ims.return_value.get_entity_by_id.return_value = resp_data['site']
 
     ds = inventory_provider.db.ims.IMS(
-        'dummy_base', 'dmmy_username', 'dummy_password')
+        'dummy_base', 'dummy_username', 'dummy_password')
     res = lookup_pop_info(ds, 'dummy_host')
     ds.get_entity_by_name.assert_called_once_with('Node', 'dummy_host')
     ds.get_entity_by_id.assert_called_once_with(
@@ -83,3 +84,30 @@ def test_lookup_pop_info(mocker):
             'latitude': 50.10166667,
         }
     }
+
+
+def test_otrs_get_customer_company_rows(mocker):
+    ims = mocker.patch('inventory_provider.db.ims.IMS')
+    with open('test/data/ims_otrs_customers.json') as data:
+        resp_data = json.load(data)
+
+    def se(*args, **kargs):
+        return resp_data[args[0]]
+    mocked_get_all_entities = ims.return_value.get_all_entities
+    mocked_get_all_entities.side_effect = se
+    ds = inventory_provider.db.ims.IMS(
+        'dummy_base', 'dummy_username', 'dummy_password')
+    cus_comp_rows = list(otrs_get_customer_company_rows(ds))
+    assert len(cus_comp_rows) == 6
+    mocked_get_all_entities.assert_any_call('Customer')
+    mocked_get_all_entities.assert_any_call('Vendor')
+    assert cus_comp_rows[0] == ['customer_id', 'name', 'street', 'zip',
+                                'city', 'country', 'url', 'comments']
+    ids = []
+    names = []
+    for row in cus_comp_rows[1:]:
+        assert len(row) == 8
+        ids.append(row[0])
+        names.append(row[1])
+    assert ids == ['DUMMY1', 'DUMMY2', 'DUMMY3', 'DUMMY4', 'DUMMY5']
+    assert names == ['DUMMY 1', 'DUMMY 2', 'DUMMY 3', 'DUMMY 4', 'DUMMY 5']