diff --git a/canopen/objectdictionary/__init__.py b/canopen/objectdictionary/__init__.py
index fa694c56..8eb057f5 100644
--- a/canopen/objectdictionary/__init__.py
+++ b/canopen/objectdictionary/__init__.py
@@ -209,6 +209,8 @@ def __init__(self, name: str, index: int):
         self.storage_location = None
         self.subindices = {}
         self.names = {}
+        #: Key-Value pairs not defined by the standard
+        self.custom_options = {}
 
     def __repr__(self) -> str:
         return f"<{type(self).__qualname__} {self.name!r} at {pretty_index(self.index)}>"
@@ -268,6 +270,8 @@ def __init__(self, name: str, index: int):
         self.storage_location = None
         self.subindices = {}
         self.names = {}
+        #: Key-Value pairs not defined by the standard
+        self.custom_options = {}
 
     def __repr__(self) -> str:
         return f"<{type(self).__qualname__} {self.name!r} at {pretty_index(self.index)}>"
@@ -374,6 +378,8 @@ def __init__(self, name: str, index: int, subindex: int = 0):
         self.storage_location = None
         #: Can this variable be mapped to a PDO
         self.pdo_mappable = False
+        #: Key-Value pairs not defined by the standard
+        self.custom_options = {}
 
     def __repr__(self) -> str:
         subindex = self.subindex if isinstance(self.parent, (ODRecord, ODArray)) else None
diff --git a/canopen/objectdictionary/eds.py b/canopen/objectdictionary/eds.py
index 8ab1a349..ab6e2301 100644
--- a/canopen/objectdictionary/eds.py
+++ b/canopen/objectdictionary/eds.py
@@ -140,14 +140,17 @@ def import_eds(source, node_id):
                 arr.add_member(last_subindex)
                 arr.add_member(build_variable(eds, section, node_id, index, 1))
                 arr.storage_location = storage_location
+                arr.custom_options = _get_custom_options(eds, section)
                 od.add_object(arr)
             elif object_type == ARR:
                 arr = objectdictionary.ODArray(name, index)
                 arr.storage_location = storage_location
+                arr.custom_options = _get_custom_options(eds, section)
                 od.add_object(arr)
             elif object_type == RECORD:
                 record = objectdictionary.ODRecord(name, index)
                 record.storage_location = storage_location
+                record.custom_options = _get_custom_options(eds, section)
                 od.add_object(record)
 
             continue
@@ -253,6 +256,19 @@ def _revert_variable(var_type, value):
     else:
         return f"0x{value:02X}"
 
+_STANDARD_OPTIONS = ["objecttype"      , "parametername" , "datatype"    , "accesstype"   ,
+                     "pdomapping"      , "lowlimit"      , "highlimit"   , "defaultvalue" ,
+                     "parametervalue"  , "factor"        , "description" , "unit"         ,
+                     "storagelocation" , "compactsubobj" , "nrofentries" , "subnumber"    ,
+                     "objflags"        , "denotation"                                     ]
+
+def _get_custom_options(eds, section):
+    custom_options = {}
+    for option, value in eds.items(section):
+        if not (option.lower() in _STANDARD_OPTIONS or option.isdigit()) :
+            custom_options[option] = value
+    return custom_options
+
 
 def build_variable(eds, section, node_id, index, subindex=0):
     """Creates a object dictionary entry.
@@ -332,6 +348,8 @@ def build_variable(eds, section, node_id, index, subindex=0):
             var.unit = eds.get(section, "Unit")
         except ValueError:
             pass
+
+    var.custom_options = _get_custom_options(eds, section)
     return var
 
 
@@ -406,12 +424,17 @@ def export_variable(var, eds):
         if getattr(var, 'unit', '') != '':
             eds.set(section, "Unit", var.unit)
 
+        for option, value in var.custom_options.items():
+            eds.set(section, option, value)
+
     def export_record(var, eds):
         section = f"{var.index:04X}"
         export_common(var, eds, section)
         eds.set(section, "SubNumber", f"0x{len(var.subindices):X}")
         ot = RECORD if isinstance(var, objectdictionary.ODRecord) else ARR
         eds.set(section, "ObjectType", f"0x{ot:X}")
+        for option, value in var.custom_options.items():
+            eds.set(section, option, value)
         for i in var:
             export_variable(var[i], eds)