diff --git a/ram/metadata/migrations/0011_company_slug_and_more.py b/ram/metadata/migrations/0011_company_slug_and_more.py
new file mode 100644
index 0000000..f12bf7b
--- /dev/null
+++ b/ram/metadata/migrations/0011_company_slug_and_more.py
@@ -0,0 +1,93 @@
+# Generated by Django 4.1.5 on 2023-01-09 11:22
+
+from django.db import migrations, models
+
+
+from ram.utils import slugify
+
+
+def create_slug(apps, schema_editor):
+    fields = ["Company", "Manufacturer", "RollingStockType", "Scale"]
+
+    for m in fields:
+        model = apps.get_model("metadata", m)
+
+        for row in model.objects.all():
+            if hasattr(row, "type"):
+                row.slug = slugify("{} {}".format(row.type, row.category))
+            elif hasattr(row, "scale"):
+                row.slug = slugify(row.scale)
+            else:
+                row.slug = slugify(row.name)
+
+            row.save(update_fields=["slug"])
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("metadata", "0010_alter_manufacturer_category"),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name="company",
+            name="slug",
+            field=models.CharField(
+                editable=False, max_length=64, blank=True
+            ),
+        ),
+        migrations.AddField(
+            model_name="manufacturer",
+            name="slug",
+            field=models.CharField(
+                editable=False, max_length=128, blank=True
+            ),
+        ),
+        migrations.AddField(
+            model_name="rollingstocktype",
+            name="slug",
+            field=models.CharField(
+                editable=False, max_length=128, blank=True
+            ),
+        ),
+        migrations.AddField(
+            model_name="scale",
+            name="slug",
+            field=models.CharField(
+                editable=False, max_length=32, blank=True
+            ),
+        ),
+        migrations.RunPython(
+            create_slug,
+            reverse_code=migrations.RunPython.noop
+        ),
+        migrations.AlterField(
+            model_name="company",
+            name="slug",
+            field=models.CharField(
+                editable=False, max_length=64, unique=True
+            ),
+        ),
+        migrations.AlterField(
+            model_name="manufacturer",
+            name="slug",
+            field=models.CharField(
+                editable=False, max_length=128, unique=True
+            ),
+        ),
+        migrations.AlterField(
+            model_name="rollingstocktype",
+            name="slug",
+            field=models.CharField(
+                editable=False, max_length=128, unique=True
+            ),
+        ),
+        migrations.AlterField(
+            model_name="scale",
+            name="slug",
+            field=models.CharField(
+                editable=False, max_length=32, unique=True
+            ),
+        ),
+    ]
diff --git a/ram/metadata/models.py b/ram/metadata/models.py
index ad38f77..ef79f07 100644
--- a/ram/metadata/models.py
+++ b/ram/metadata/models.py
@@ -1,6 +1,7 @@
 from urllib.parse import quote
 
 from django.db import models
+from django.urls import reverse
 from django.conf import settings
 from django.dispatch.dispatcher import receiver
 from django_countries.fields import CountryField
@@ -22,6 +23,7 @@ class Property(models.Model):
 
 class Manufacturer(models.Model):
     name = models.CharField(max_length=128, unique=True)
+    slug = models.CharField(max_length=128, unique=True, editable=False)
     category = models.CharField(
         max_length=64, choices=settings.MANUFACTURER_TYPES
     )
@@ -36,8 +38,13 @@ class Manufacturer(models.Model):
     def __str__(self):
         return self.name
 
-    def safe_name(self):
-        return quote(self.__str__().lower(), safe="& ")
+    def get_absolute_url(self):
+        return reverse(
+            "filtered", kwargs={
+                "_filter": "manufacturer",
+                "search": self.slug,
+            }
+        )
 
     def logo_thumbnail(self):
         return get_image_preview(self.logo.url)
@@ -47,6 +54,7 @@ class Manufacturer(models.Model):
 
 class Company(models.Model):
     name = models.CharField(max_length=64, unique=True)
+    slug = models.CharField(max_length=64, unique=True, editable=False)
     extended_name = models.CharField(max_length=128, blank=True)
     country = CountryField()
     freelance = models.BooleanField(default=False)
@@ -61,8 +69,13 @@ class Company(models.Model):
     def __str__(self):
         return self.name
 
-    def safe_name(self):
-        return quote(self.__str__().lower(), safe="& ")
+    def get_absolute_url(self):
+        return reverse(
+            "filtered", kwargs={
+                "_filter": "company",
+                "search": self.slug,
+            }
+        )
 
     def logo_thumbnail(self):
         return get_image_preview(self.logo.url)
@@ -94,6 +107,7 @@ class Decoder(models.Model):
 
 class Scale(models.Model):
     scale = models.CharField(max_length=32, unique=True)
+    slug = models.CharField(max_length=32, unique=True, editable=False)
     ratio = models.CharField(max_length=16, blank=True)
     gauge = models.CharField(max_length=16, blank=True)
     tracks = models.CharField(max_length=16, blank=True)
@@ -101,11 +115,40 @@ class Scale(models.Model):
     class Meta:
         ordering = ["scale"]
 
+    def get_absolute_url(self):
+        return reverse(
+            "filtered", kwargs={
+                "_filter": "scale",
+                "search": self.slug,
+            }
+        )
+
     def __str__(self):
         return str(self.scale)
 
-    def safe_name(self):
-        return quote(self.__str__(), safe="& ")
+
+class RollingStockType(models.Model):
+    type = models.CharField(max_length=64)
+    order = models.PositiveSmallIntegerField()
+    category = models.CharField(
+        max_length=64, choices=settings.ROLLING_STOCK_TYPES
+    )
+    slug = models.CharField(max_length=128, unique=True, editable=False)
+
+    class Meta(object):
+        unique_together = ("category", "type")
+        ordering = ["order"]
+
+    def get_absolute_url(self):
+        return reverse(
+            "filtered", kwargs={
+                "_filter": "type",
+                "search": self.slug,
+            }
+        )
+
+    def __str__(self):
+        return "{0} {1}".format(self.type, self.category)
 
 
 class Tag(models.Model):
@@ -115,28 +158,20 @@ class Tag(models.Model):
     def __str__(self):
         return self.name
 
-    def safe_name(self):
-        return self.slug
+    def get_absolute_url(self):
+        return reverse(
+            "filtered", kwargs={
+                "_filter": "tag",
+                "search": self.slug,
+            }
+        )
 
 
+
+@receiver(models.signals.pre_save, sender=Manufacturer)
+@receiver(models.signals.pre_save, sender=Company)
+@receiver(models.signals.pre_save, sender=Scale)
+@receiver(models.signals.pre_save, sender=RollingStockType)
 @receiver(models.signals.pre_save, sender=Tag)
 def slug_pre_save(sender, instance, **kwargs):
-    instance.slug = slugify(instance.name)
-
-
-class RollingStockType(models.Model):
-    type = models.CharField(max_length=64)
-    order = models.PositiveSmallIntegerField()
-    category = models.CharField(
-        max_length=64, choices=settings.ROLLING_STOCK_TYPES
-    )
-
-    class Meta(object):
-        unique_together = ("category", "type")
-        ordering = ["order"]
-
-    def __str__(self):
-        return "{0} {1}".format(self.type, self.category)
-
-    def safe_name(self):
-        return quote(self.__str__().lower(), safe="& ")
+    instance.slug = slugify(instance.__str__())
diff --git a/ram/portal/templates/cards.html b/ram/portal/templates/cards.html
index f9cc312..d2d3aa1 100644
--- a/ram/portal/templates/cards.html
+++ b/ram/portal/templates/cards.html
@@ -38,7 +38,7 @@
                   <tr>
                     <th scope="row">Company</th>
                     <td>
-                      <a href="{% url 'filtered' _filter="company" search=d.rolling_class.company.safe_name %}"><abbr title="{{ d.rolling_class.company.extended_name }}">{{ d.rolling_class.company }}</abbr></a>
+                      <a href="{% url 'filtered' _filter="company" search=d.rolling_class.company.slug %}"><abbr title="{{ d.rolling_class.company.extended_name }}">{{ d.rolling_class.company }}</abbr></a>
                     </td>
                   </tr>
                   <tr>
@@ -56,12 +56,12 @@
                   <tr>
                     <th width="35%" scope="row">Manufacturer</th>
                     <td>{%if d.manufacturer %}
-                      <a href="{% url 'filtered' _filter="manufacturer" search=d.manufacturer.safe_name %}">{{ d.manufacturer }}{% if d.manufacturer.website %}</a> <a href="{{ d.manufacturer.website }}" target="_blank"><i class="bi bi-box-arrow-up-right"></i></a>{% endif %}
+                      <a href="{% url 'filtered' _filter="manufacturer" search=d.manufacturer.slug %}">{{ d.manufacturer }}{% if d.manufacturer.website %}</a> <a href="{{ d.manufacturer.website }}" target="_blank"><i class="bi bi-box-arrow-up-right"></i></a>{% endif %}
                     {% endif %}</td>
                   </tr>
                   <tr>
                     <th scope="row">Scale</th>
-                    <td><a href="{% url 'filtered' _filter="scale" search=d.scale.safe_name %}"><abbr title="{{ d.scale.ratio }} - {{ d.scale.tracks }}">{{ d.scale }}</abbr></a></td>
+                    <td><a href="{% url 'filtered' _filter="scale" search=d.scale.slug %}"><abbr title="{{ d.scale.ratio }} - {{ d.scale.tracks }}">{{ d.scale }}</abbr></a></td>
                   </tr>
                   <tr>
                     <th scope="row">SKU</th>
diff --git a/ram/portal/templates/companies.html b/ram/portal/templates/companies.html
index 74d1087..b7fd706 100644
--- a/ram/portal/templates/companies.html
+++ b/ram/portal/templates/companies.html
@@ -42,7 +42,7 @@
               </tbody>
             </table>
             <div class="d-grid gap-2 mb-1 d-md-block">
-              <a class="btn btn-sm btn-outline-primary" href="{% url 'filtered' _filter="company" search=d.safe_name %}">Show all rolling stock</a>
+              <a class="btn btn-sm btn-outline-primary" href="{% url 'filtered' _filter="company" search=d.slug %}">Show all rolling stock</a>
               {% if request.user.is_staff %}<a class="btn btn-sm btn-outline-danger" href="{% url 'admin:metadata_company_change' d.pk %}">Edit</a>{% endif %}
             </div>
           </div>
diff --git a/ram/portal/templates/manufacturers.html b/ram/portal/templates/manufacturers.html
index dab3c8b..6ad0f8e 100644
--- a/ram/portal/templates/manufacturers.html
+++ b/ram/portal/templates/manufacturers.html
@@ -34,7 +34,7 @@
               </tbody>
             </table>
             <div class="d-grid gap-2 mb-1 d-md-block">
-              <a class="btn btn-sm btn-outline-primary" href="{% url 'filtered' _filter="manufacturer" search=d.safe_name %}">Show all rolling stock</a>
+              <a class="btn btn-sm btn-outline-primary" href="{% url 'filtered' _filter="manufacturer" search=d.slug %}">Show all rolling stock</a>
               {% if request.user.is_staff %}<a class="btn btn-sm btn-outline-danger" href="{% url 'admin:metadata_manufacturer_change' d.pk %}">Edit</a>{% endif %}
             </div>
           </div>
diff --git a/ram/portal/templates/rollingstock.html b/ram/portal/templates/rollingstock.html
index 7c0796a..04d9f53 100644
--- a/ram/portal/templates/rollingstock.html
+++ b/ram/portal/templates/rollingstock.html
@@ -70,7 +70,7 @@
                       <tr>
                         <th scope="row">Company</th>
                         <td>
-                            <a href="{% url 'filtered' _filter="company" search=rolling_stock.rolling_class.company.safe_name %}"><abbr title="{{ rolling_stock.rolling_class.company.extended_name }}">{{ rolling_stock.rolling_class.company }}</abbr></a>
+                            <a href="{% url 'filtered' _filter="company" search=rolling_stock.rolling_class.company.slug %}"><abbr title="{{ rolling_stock.rolling_class.company.extended_name }}">{{ rolling_stock.rolling_class.company }}</abbr></a>
                         </td>
                       </tr>
                       <tr>
@@ -97,7 +97,7 @@
                       <tr>
                         <th width="35%" scope="row">Manufacturer</th>
                         <td>{%if rolling_stock.manufacturer %}
-                          <a href="{% url 'filtered' _filter="manufacturer" search=rolling_stock.manufacturer.safe_name %}">{{ rolling_stock.manufacturer }}{% if rolling_stock.manufacturer.website %}</a> <a href="{{ rolling_stock.manufacturer.website }}" target="_blank"><i class="bi bi-box-arrow-up-right"></i></a>{% endif %}
+                          <a href="{% url 'filtered' _filter="manufacturer" search=rolling_stock.manufacturer.slug %}">{{ rolling_stock.manufacturer }}{% if rolling_stock.manufacturer.website %}</a> <a href="{{ rolling_stock.manufacturer.website }}" target="_blank"><i class="bi bi-box-arrow-up-right"></i></a>{% endif %}
                         {% endif %}</td>
                       </tr>
                       <tr>
@@ -147,7 +147,7 @@
                       <tr>
                         <th width="35%" scope="row">Manufacturer</th>
                         <td>{%if rolling_stock.manufacturer %}
-                          <a href="{% url 'filtered' _filter="manufacturer" search=rolling_stock.manufacturer.safe_name %}">{{ rolling_stock.manufacturer }}{% if rolling_stock.manufacturer.website %}</a> <a href="{{ rolling_stock.manufacturer.website }}" target="_blank"><i class="bi bi-box-arrow-up-right"></i></a>{% endif %}
+                          <a href="{% url 'filtered' _filter="manufacturer" search=rolling_stock.manufacturer.slug %}">{{ rolling_stock.manufacturer }}{% if rolling_stock.manufacturer.website %}</a> <a href="{{ rolling_stock.manufacturer.website }}" target="_blank"><i class="bi bi-box-arrow-up-right"></i></a>{% endif %}
                         {% endif %}</td>
                       </tr>
                       <tr>
@@ -209,7 +209,7 @@
                       <tr>
                         <th scope="row">Company</th>
                         <td>
-                            <a href="{% url 'filtered' _filter="company" search=rolling_stock.rolling_class.company.safe_name %}">{{ rolling_stock.rolling_class.company }}</a> ({{ rolling_stock.rolling_class.company.extended_name }})
+                            <a href="{% url 'filtered' _filter="company" search=rolling_stock.rolling_class.company.slug %}">{{ rolling_stock.rolling_class.company }}</a> ({{ rolling_stock.rolling_class.company.extended_name }})
                         </td>
                       </tr>
                       <tr>
@@ -219,7 +219,7 @@
                       <tr>
                         <th scope="row">Manufacturer</th>
                         <td>{%if rolling_stock.rolling_class.manufacturer %}
-                          <a href="{% url 'filtered' _filter="manufacturer" search=rolling_stock.rolling_class.manufacturer.safe_name %}">{{ rolling_stock.rolling_class.manufacturer }}{% if rolling_stock.rolling_class.manufacturer.website %}</a> <a href="{{ rolling_stock.rolling_class.manufacturer.website }}" target="_blank"><i class="bi bi-box-arrow-up-right"></i></a>{% endif %}
+                          <a href="{% url 'filtered' _filter="manufacturer" search=rolling_stock.rolling_class.manufacturer.slug %}">{{ rolling_stock.rolling_class.manufacturer }}{% if rolling_stock.rolling_class.manufacturer.website %}</a> <a href="{{ rolling_stock.rolling_class.manufacturer.website }}" target="_blank"><i class="bi bi-box-arrow-up-right"></i></a>{% endif %}
                         {% endif %}</td>
                       </tr>
                     </tbody>
diff --git a/ram/portal/templates/scales.html b/ram/portal/templates/scales.html
index bcf1ac1..dd3c609 100644
--- a/ram/portal/templates/scales.html
+++ b/ram/portal/templates/scales.html
@@ -32,7 +32,7 @@
               </tbody>
             </table>
             <div class="d-grid gap-2 mb-1 d-md-block">
-              <a class="btn btn-sm btn-outline-primary" href="{% url 'filtered' _filter="scale" search=d.safe_name %}">Show all rolling stock</a>
+              <a class="btn btn-sm btn-outline-primary" href="{% url 'filtered' _filter="scale" search=d.slug %}">Show all rolling stock</a>
               {% if request.user.is_staff %}<a class="btn btn-sm btn-outline-danger" href="{% url 'admin:metadata_scale_change' d.pk %}">Edit</a>{% endif %}
             </div>
           </div>
diff --git a/ram/portal/templates/types.html b/ram/portal/templates/types.html
index f7de10d..32088b3 100644
--- a/ram/portal/templates/types.html
+++ b/ram/portal/templates/types.html
@@ -24,7 +24,7 @@
               </tbody>
             </table>
             <div class="d-grid gap-2 mb-1 d-md-block">
-              <a class="btn btn-sm btn-outline-primary" href="{% url 'filtered' _filter="type" search=d.safe_name %}">Show all rolling stock</a>
+              <a class="btn btn-sm btn-outline-primary" href="{% url 'filtered' _filter="type" search=d.slug %}">Show all rolling stock</a>
               {% if request.user.is_staff %}<a class="btn btn-sm btn-outline-danger" href="{% url 'admin:metadata_scale_change' d.pk %}">Edit</a>{% endif %}
             </div>
           </div>
diff --git a/ram/portal/views.py b/ram/portal/views.py
index 1ffa269..26cfd2b 100644
--- a/ram/portal/views.py
+++ b/ram/portal/views.py
@@ -174,33 +174,22 @@ class GetRosterFiltered(View):
     def run_filter(self, request, search, _filter, page=1):
         site_conf = get_site_conf()
         if _filter == "type":
-            type_ = " ".join(search.split()[:-1])
-            category = search.split()[-1]
-            try:
-                title = (
-                    RollingStockType.objects.filter(type__iexact=type_)
-                    .get(category__iexact=category)
-                )
-            except ObjectDoesNotExist:
-                raise Http404
-            query = Q(
-                Q(rolling_class__type__type__iexact=type_)
-                & Q(rolling_class__type__category__iexact=category)
-            )
+            title = RollingStockType.objects.get(slug__iexact=search)
+            query = Q(rolling_class__type__slug__iexact=search)
         elif _filter == "company":
-            title = get_object_or_404(Company, name__iexact=search)
-            query = Q(rolling_class__company__name__iexact=search)
+            title = get_object_or_404(Company, slug__iexact=search)
+            query = Q(rolling_class__company__slug__iexact=search)
         elif _filter == "manufacturer":
-            title = get_object_or_404(Manufacturer, name__iexact=search)
+            title = get_object_or_404(Manufacturer, slug__iexact=search)
             query = Q(
-                Q(rolling_class__manufacturer__name__iexact=search)
-                | Q(manufacturer__name__iexact=search)
+                Q(rolling_class__manufacturer__slug__iexact=search)
+                | Q(manufacturer__slug__iexact=search)
             )
         elif _filter == "scale":
-            title = get_object_or_404(Scale, scale__iexact=search)
-            query = Q(scale__scale__iexact=search)
+            title = get_object_or_404(Scale, slug__iexact=search)
+            query = Q(scale__slug__iexact=search)
         elif _filter == "tag":
-            title = get_object_or_404(Tag, slug=search)
+            title = get_object_or_404(Tag, slug__iexact=search)
             query = Q(tags__slug__iexact=search)
         else:
             raise Http404
diff --git a/ram/ram/__init__.py b/ram/ram/__init__.py
index bd13107..49e0602 100644
--- a/ram/ram/__init__.py
+++ b/ram/ram/__init__.py
@@ -1,4 +1,4 @@
 from ram.utils import git_suffix
 
-__version__ = "0.1.2"
+__version__ = "0.2.0"
 __version__ += git_suffix(__file__)