diff --git a/src/wireviz/DataClasses.py b/src/wireviz/DataClasses.py
index 9b2cc6a..307daf0 100644
--- a/src/wireviz/DataClasses.py
+++ b/src/wireviz/DataClasses.py
@@ -7,6 +7,7 @@ from pathlib import Path
 from wireviz.wv_helper import int2tuple, aspect_ratio
 from wireviz.wv_colors import Color, Colors, ColorMode, ColorScheme, COLOR_CODES
 from wireviz.wv_bom_new import Bom_hash, Bom_hash_list
+from wireviz.wv_gv_html import nested_html_table, bom_bubble
 
 # Each type alias have their legal values described in comments - validation might be implemented in the future
 PlainText = str # Text not containing HTML tags nor newlines
@@ -180,6 +181,15 @@ class TopLevelGraphicalComponent(GraphicalComponent):
 
     show_name: bool = True
 
+    def gen_add_bom_table(self):
+        if self.additional_components:
+            rows = []
+            for comp in self.additional_components:
+                rows.append([bom_bubble(comp.bom_id), comp.qty, comp.description, comp.pn])
+            return rows
+        else:
+            return None
+
 
 @dataclass
 class Connector(TopLevelGraphicalComponent):
@@ -241,7 +251,6 @@ class Connector(TopLevelGraphicalComponent):
     def activate_pin(self, pin: Pin) -> None:
         self.visible_pins[pin] = True
 
-    @property
     def qty_factor(self, qty_multiplier: Optional[ConnectorMultiplier]) -> int:
         if not qty_multiplier:
             return 1
@@ -376,7 +385,6 @@ class Cable(TopLevelGraphicalComponent):
         for i, _ in enumerate(from_pin):
             self.connections.append(Connection(from_name, from_pin[i], via_wire[i], to_name, to_pin[i]))
 
-    @property
     def qty_factor(self, qty_multiplier: Optional[CableMultiplier]) -> float:
         if not qty_multiplier:
             return 1
diff --git a/src/wireviz/Harness.py b/src/wireviz/Harness.py
index 9e9f7b9..4efd290 100644
--- a/src/wireviz/Harness.py
+++ b/src/wireviz/Harness.py
@@ -13,14 +13,14 @@ from wireviz.DataClasses import AdditionalComponent, Metadata, Options, Tweak, C
 from wireviz.wv_colors import get_color_hex, translate_color
 from wireviz.wv_gv_html import nested_html_table, \
     html_bgcolor_attr, html_bgcolor, html_colorbar, \
-    html_image, html_caption, remove_links, html_line_breaks, bom_bubble
+    html_image, html_caption, remove_links, html_line_breaks, bom_bubble, html_table
 # from wireviz.wv_bom import pn_info_string, component_table_entry, \
 #     get_additional_component_table, bom_list, generate_bom, \
 #     HEADER_PN, HEADER_MPN, HEADER_SPN
 from wireviz.wv_bom_new import pn_info_string, HEADER_PN, HEADER_MPN, HEADER_SPN
 from wireviz.wv_html import generate_html_output
 from wireviz.wv_helper import awg_equiv, mm2_equiv, tuplelist2tsv, flatten2d, \
-    open_file_read, open_file_write
+    open_file_read, open_file_write, remove_empty_columns
 
 
 @dataclass
@@ -192,9 +192,10 @@ class Harness:
                      html_colorbar(connector.color)],
                     '<!-- connector table -->' if connector.style != 'simple' else None,
                     [html_image(connector.image)],
-                    [html_caption(connector.image)]]
+                    [html_caption(connector.image)],
+                    html_table(remove_empty_columns(connector.gen_add_bom_table()), 2)]
             # rows.extend(get_additional_component_table(self, connector))
-            rows.append(['Reimplement additional component table!'])
+            # rows.append()
             rows.append([html_line_breaks(connector.notes)])
             html.extend(nested_html_table(rows, html_bgcolor_attr(connector.bgcolor)))
 
@@ -522,8 +523,8 @@ class Harness:
         bomlist = [[]]
         # HTML output
         generate_html_output(filename, bomlist, self.metadata, self.options)
-
-    def bom(self):
-        if not self._bom:
-            self._bom = generate_bom(self)
-        return self._bom
+    #
+    # def bom(self):
+    #     if not self._bom:
+    #         self._bom = generate_bom(self)
+    #     return self._bom
diff --git a/src/wireviz/wv_gv_html.py b/src/wireviz/wv_gv_html.py
index a2c4ed2..d55f63d 100644
--- a/src/wireviz/wv_gv_html.py
+++ b/src/wireviz/wv_gv_html.py
@@ -32,6 +32,18 @@ def nested_html_table(rows: List[Union[str, List[Optional[str]], None]], table_a
     html.append('</table>')
     return html
 
+def html_table(rows: List[List[str]], indent_level: int = 0) -> str:
+    html = []
+    html.append('<table border="0" cellspacing="0" cellpadding="3" cellborder="1">')
+    for row in rows:
+        html.append(' <tr>')
+        for item in row:
+            html.append(f'  <td>{item}</td>')
+        html.append(' </tr>')
+    html.append('</table>')
+    html = [' '*indent_level + row for row in html]
+    return '\n'.join(html)
+
 def html_bgcolor_attr(color: Color) -> str:
     """Return attributes for bgcolor or '' if no color."""
     return f' bgcolor="{translate_color(color, "HEX")}"' if color else ''
@@ -75,6 +87,5 @@ def html_size_attr(image):
 def html_line_breaks(inp):
     return remove_links(inp).replace('\n', '<br />') if isinstance(inp, str) else inp
 
-
 def bom_bubble(inp):
     return(f'<table border="0"><tr><td border="1" style="rounded">{inp}</td></tr></table>')
diff --git a/src/wireviz/wv_helper.py b/src/wireviz/wv_helper.py
index 6b78f17..4bac469 100644
--- a/src/wireviz/wv_helper.py
+++ b/src/wireviz/wv_helper.py
@@ -116,3 +116,9 @@ def aspect_ratio(image_src):
     except Exception as error:
         print(f'aspect_ratio(): {type(error).__name__}: {error}')
     return 1 # Assume 1:1 when unable to read actual image size
+
+def remove_empty_columns(inp: List[List]) -> List[List]:
+    transp = list(map(list, zip(*inp)))            # transpose list
+    transp = [item for item in transp if any(item)]  # remove empty rows (easier)
+    out = list(map(list, zip(*transp)))            # transpose back
+    return out