diff --git a/CHANGELOG.md b/CHANGELOG.md
index 186bc70..e2bc96e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,13 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+### Added
+
+- **Manufacturer names from the archive itself** (`appprog_parser.py`): `parse_devices_from_project`
+  now reads vendor names from the `knx_master.xml` shipped inside every `.knxproj`/`.knxprod`
+  (e.g. M-0073 → HDL, M-00B6 → Ekinex S.p.A.) instead of relying on a hardcoded id map that can
+  never be complete; the static map remains as fallback.
+
 ## [0.8.0] — 2026-07-07
 
 **Lessons from a second field project (a different integrator naming school):** positional
diff --git a/nickol_knx_mcp/appprog_parser.py b/nickol_knx_mcp/appprog_parser.py
index fad3323..888cfc5 100644
--- a/nickol_knx_mcp/appprog_parser.py
+++ b/nickol_knx_mcp/appprog_parser.py
@@ -254,8 +254,21 @@ def parse_project(path: str, password: Optional[str] = None) -> dict[str, Any]:
     pwd = password.encode() if password else None
     devices: list[dict[str, Any]] = []
     seen_mfr, app_cache, hw_count = set(), {}, 0
+    mfr_names = dict(_MANUFACTURERS)
     with zipfile.ZipFile(path) as z:
         names = z.namelist()
+        # authoritative manufacturer names ship inside the archive itself
+        # (knx_master.xml, vendor-neutral) — read them instead of relying on a
+        # hardcoded id map that can never be complete
+        for n in names:
+            if n.lower().endswith("knx_master.xml"):
+                try:
+                    master = z.read(n, pwd=pwd).decode("utf-8", "replace")
+                    mfr_names.update(re.findall(
+                        r'<Manufacturer Id="(M-[0-9A-Fa-f]+)"[^>]*Name="([^"]+)"', master))
+                except Exception:
+                    pass
+                break
         hardware_files = [n for n in names if re.search(r"/Hardware\.xml$", n) and n.startswith("M-")]
         appfiles = {n for n in names if re.match(r"M-[0-9A-Fa-f]+/M-[0-9A-Fa-f]+_A-[^/]+\.xml$", n)}
 
@@ -273,7 +286,7 @@ def parse_project(path: str, password: Optional[str] = None) -> dict[str, Any]:
                 if not app_path or app_path not in appfiles:
                     devices.append({
                         "order_number": entry["order_number"], "name": entry["name"],
-                        "manufacturer": _MANUFACTURERS.get(mcode, mcode),
+                        "manufacturer": mfr_names.get(mcode, mcode),
                         "application_program": {"app_id": app_ref, "version": None},
                         "object_counts": {"master_catalog_total": 0},
                         "blocks": [], "comm_objects": [],
@@ -290,7 +303,7 @@ def parse_project(path: str, password: Optional[str] = None) -> dict[str, Any]:
                 no_dpt = sum(1 for o in objs if o["dpt"] is None)
                 devices.append({
                     "order_number": entry["order_number"], "name": entry["name"],
-                    "manufacturer": _MANUFACTURERS.get(mcode, mcode),
+                    "manufacturer": mfr_names.get(mcode, mcode),
                     "application_program": {"app_id": app_ref,
                                             "version": f"v{ver}" if ver else None},
                     "object_counts": {