Index: Core/Gui/src/Core.Gui/Forms/MainWindow/MainWindow.xaml.cs
===================================================================
diff -u -r49861b2d7698649a70eb22308a7858dd364109f1 -r6c6e35803f103849428c1e9bea47c817fe55c496
--- Core/Gui/src/Core.Gui/Forms/MainWindow/MainWindow.xaml.cs	(.../MainWindow.xaml.cs)	(revision 49861b2d7698649a70eb22308a7858dd364109f1)
+++ Core/Gui/src/Core.Gui/Forms/MainWindow/MainWindow.xaml.cs	(.../MainWindow.xaml.cs)	(revision 6c6e35803f103849428c1e9bea47c817fe55c496)
@@ -28,6 +28,7 @@
 using System.Windows.Controls.Primitives;
 using System.Windows.Input;
 using System.Windows.Interop;
+using System.Windows.Media;
 using Core.Common.Base.Data;
 using Core.Common.Controls.Views;
 using Core.Common.Util.Settings;
@@ -289,7 +290,7 @@
             applicationSelection = null;
         }
 
-        internal void AddStateButton(string text, string symbol, Func<IProject, object> getRootData)
+        internal void AddStateButton(string text, string symbol, FontFamily fontFamily, Func<IProject, object> getRootData)
         {
             var stateToggleButton = new ToggleButton
             {
@@ -298,7 +299,8 @@
                 Content = new TextBlock
                 {
                     Style = (Style) FindResource("ButtonLargeIconStyle"),
-                    Text = symbol
+                    Text = symbol,
+                    FontFamily = fontFamily
                 }
             };
 
Index: Core/Gui/src/Core.Gui/GuiCore.cs
===================================================================
diff -u -ra8f8849871d5cb8ecc684c6082caadc641d4d4e4 -r6c6e35803f103849428c1e9bea47c817fe55c496
--- Core/Gui/src/Core.Gui/GuiCore.cs	(.../GuiCore.cs)	(revision a8f8849871d5cb8ecc684c6082caadc641d4d4e4)
+++ Core/Gui/src/Core.Gui/GuiCore.cs	(.../GuiCore.cs)	(revision 6c6e35803f103849428c1e9bea47c817fe55c496)
@@ -497,7 +497,7 @@
 
             foreach (StateInfo stateInfo in GetStateInfos())
             {
-                mainWindow.AddStateButton(stateInfo.Name, stateInfo.Symbol, stateInfo.GetRootData);
+                mainWindow.AddStateButton(stateInfo.Name, stateInfo.Symbol, stateInfo.FontFamily, stateInfo.GetRootData);
             }
 
             mainWindow.SubscribeToGui();
Index: Core/Gui/src/Core.Gui/Plugin/StateInfo.cs
===================================================================
diff -u -r369400e3add949c344017f34f89620f095eac05a -r6c6e35803f103849428c1e9bea47c817fe55c496
--- Core/Gui/src/Core.Gui/Plugin/StateInfo.cs	(.../StateInfo.cs)	(revision 369400e3add949c344017f34f89620f095eac05a)
+++ Core/Gui/src/Core.Gui/Plugin/StateInfo.cs	(.../StateInfo.cs)	(revision 6c6e35803f103849428c1e9bea47c817fe55c496)
@@ -20,6 +20,7 @@
 // All rights reserved.
 
 using System;
+using System.Windows.Media;
 using Core.Common.Base.Data;
 
 namespace Core.Gui.Plugin
@@ -34,13 +35,26 @@
         /// </summary>
         /// <param name="name">The name of the state.</param>
         /// <param name="symbol">The symbol of the state.</param>
+        /// <param name="fontFamily">The font family of the symbol.</param>
         /// <param name="getRootData">The method for obtaining the root data of the state.</param>
-        /// <exception cref="ArgumentNullException">Thrown when <paramref name="getRootData"/> is <c>null</c>.</exception>
-        public StateInfo(string name, string symbol, Func<IProject, object> getRootData)
+        /// <exception cref="ArgumentNullException">Thrown when <paramref name="fontFamily"/>
+        /// or <paramref name="getRootData"/> is <c>null</c>.</exception>
+        public StateInfo(string name, string symbol, FontFamily fontFamily, Func<IProject, object> getRootData)
         {
+            if (fontFamily == null)
+            {
+                throw new ArgumentNullException(nameof(fontFamily));
+            }
+            
+            if (getRootData == null)
+            {
+                throw new ArgumentNullException(nameof(getRootData));
+            }
+            
             Name = name;
             Symbol = symbol;
-            GetRootData = getRootData ?? throw new ArgumentNullException(nameof(getRootData));
+            FontFamily = fontFamily;
+            GetRootData = getRootData;
         }
 
         /// <summary>
@@ -54,6 +68,11 @@
         public string Symbol { get; }
 
         /// <summary>
+        /// Gets the font family of the symbol.
+        /// </summary>
+        public FontFamily FontFamily { get; }
+
+        /// <summary>
         /// Gets the method for obtaining the root data of the state. Function arguments:
         /// <list type="number">
         ///     <item>The current <see cref="IProject"/> to get the state data from.</item>
Index: Core/Gui/test/Core.Gui.Test/Forms/MainWindow/MainWindowTest.cs
===================================================================
diff -u -re426893bd2c1d93c5d054e505957ab6d20f02b2f -r6c6e35803f103849428c1e9bea47c817fe55c496
--- Core/Gui/test/Core.Gui.Test/Forms/MainWindow/MainWindowTest.cs	(.../MainWindowTest.cs)	(revision e426893bd2c1d93c5d054e505957ab6d20f02b2f)
+++ Core/Gui/test/Core.Gui.Test/Forms/MainWindow/MainWindowTest.cs	(.../MainWindowTest.cs)	(revision 6c6e35803f103849428c1e9bea47c817fe55c496)
@@ -27,6 +27,7 @@
 using System.Threading;
 using System.Windows;
 using System.Windows.Input;
+using System.Windows.Media;
 using Core.Common.Base.Data;
 using Core.Common.Base.Storage;
 using Core.Common.Controls.TreeView;
@@ -590,7 +591,7 @@
             {
                 gui.Plugins.Add(new TestPlugin(new[]
                 {
-                    new StateInfo("Name", "Symbol", p => p)
+                    new StateInfo("Name", "Symbol", new FontFamily(), p => p)
                 }));
 
                 gui.Run();
@@ -627,8 +628,8 @@
             {
                 gui.Plugins.Add(new TestPlugin(new[]
                 {
-                    new StateInfo("Name", "Symbol", p => p),
-                    new StateInfo("Name", "Symbol", p => new object())
+                    new StateInfo("Name", "Symbol", new FontFamily(), p => p),
+                    new StateInfo("Name", "Symbol", new FontFamily(), p => new object())
                 }));
 
                 gui.Run();
@@ -707,7 +708,7 @@
             {
                 gui.Plugins.Add(new TestPlugin(new[]
                 {
-                    new StateInfo("Name", "Symbol", p => p)
+                    new StateInfo("Name", "Symbol", new FontFamily(), p => p)
                 }));
 
                 gui.Run();
@@ -752,8 +753,8 @@
             {
                 gui.Plugins.Add(new TestPlugin(new[]
                 {
-                    new StateInfo("Name", "Symbol", p => p),
-                    new StateInfo("Name", "Symbol", p => new object())
+                    new StateInfo("Name", "Symbol", new FontFamily(), p => p),
+                    new StateInfo("Name", "Symbol", new FontFamily(), p => new object())
                 }));
 
                 gui.Run();
Index: Core/Gui/test/Core.Gui.Test/GuiCoreTest.cs
===================================================================
diff -u -r2bb78c041989c4970c56a3d74f0afa82083625ae -r6c6e35803f103849428c1e9bea47c817fe55c496
--- Core/Gui/test/Core.Gui.Test/GuiCoreTest.cs	(.../GuiCoreTest.cs)	(revision 2bb78c041989c4970c56a3d74f0afa82083625ae)
+++ Core/Gui/test/Core.Gui.Test/GuiCoreTest.cs	(.../GuiCoreTest.cs)	(revision 6c6e35803f103849428c1e9bea47c817fe55c496)
@@ -26,6 +26,7 @@
 using System.Threading;
 using System.Windows.Forms;
 using System.Windows.Forms.Integration;
+using System.Windows.Media;
 using Core.Common.Base.Data;
 using Core.Common.Base.Storage;
 using Core.Common.Controls.TreeView;
@@ -630,7 +631,7 @@
             {
                 gui.Plugins.Add(new TestPlugin(new[]
                 {
-                    new StateInfo("Name", "Symbol", p => p)
+                    new StateInfo("Name", "Symbol", new FontFamily(), p => p)
                 }));
 
                 // Call
Index: Core/Gui/test/Core.Gui.Test/Plugin/StateInfoTest.cs
===================================================================
diff -u -r369400e3add949c344017f34f89620f095eac05a -r6c6e35803f103849428c1e9bea47c817fe55c496
--- Core/Gui/test/Core.Gui.Test/Plugin/StateInfoTest.cs	(.../StateInfoTest.cs)	(revision 369400e3add949c344017f34f89620f095eac05a)
+++ Core/Gui/test/Core.Gui.Test/Plugin/StateInfoTest.cs	(.../StateInfoTest.cs)	(revision 6c6e35803f103849428c1e9bea47c817fe55c496)
@@ -20,6 +20,7 @@
 // All rights reserved.
 
 using System;
+using System.Windows.Media;
 using Core.Common.Base.Data;
 using Core.Gui.Plugin;
 using NUnit.Framework;
@@ -35,22 +36,35 @@
             // Setup
             const string name = "Name";
             const string symbol = "Symbol";
+            var fontFamily = new FontFamily();
             Func<IProject, object> getRootData = o => new object();
 
             // Call
-            var stateInfo = new StateInfo(name, symbol, getRootData);
+            var stateInfo = new StateInfo(name, symbol, fontFamily, getRootData);
 
             // Assert
             Assert.AreEqual(name, stateInfo.Name);
             Assert.AreEqual(symbol, stateInfo.Symbol);
+            Assert.AreSame(fontFamily, stateInfo.FontFamily);
             Assert.AreSame(getRootData, stateInfo.GetRootData);
         }
 
         [Test]
+        public void Constructor_FontFamilyNull_ThrowsArgumentNullException()
+        {
+            // Call
+            void Call() => new StateInfo(string.Empty, string.Empty, null, project => project);
+
+            // Assert
+            var exception = Assert.Throws<ArgumentNullException>(Call);
+            Assert.AreEqual("fontFamily", exception.ParamName);
+        }
+
+        [Test]
         public void Constructor_GetRootDataNull_ThrowsArgumentNullException()
         {
             // Call
-            void Call() => new StateInfo(string.Empty, string.Empty, null);
+            void Call() => new StateInfo(string.Empty, string.Empty, new FontFamily(), null);
 
             // Assert
             var exception = Assert.Throws<ArgumentNullException>(Call);
Index: Riskeer/Integration/src/Riskeer.Integration.Plugin/Resources/Riskeer-Symbols.ttf
===================================================================
diff -u
Binary files differ
Index: Riskeer/Integration/src/Riskeer.Integration.Plugin/Riskeer.Integration.Plugin.csproj
===================================================================
diff -u -r48244f68eee25ef1d91701d82e4c4867f0252ffc -r6c6e35803f103849428c1e9bea47c817fe55c496
--- Riskeer/Integration/src/Riskeer.Integration.Plugin/Riskeer.Integration.Plugin.csproj	(.../Riskeer.Integration.Plugin.csproj)	(revision 48244f68eee25ef1d91701d82e4c4867f0252ffc)
+++ Riskeer/Integration/src/Riskeer.Integration.Plugin/Riskeer.Integration.Plugin.csproj	(.../Riskeer.Integration.Plugin.csproj)	(revision 6c6e35803f103849428c1e9bea47c817fe55c496)
@@ -87,6 +87,9 @@
       <PrivateAssets>all</PrivateAssets>
     </PackageReference>
   </ItemGroup>
+  <ItemGroup>
+    <Resource Include="Resources\Riskeer-Symbols.ttf" />
+  </ItemGroup>
   <Target Name="PostBuild" AfterTargets="PostBuildEvent">
     <Exec Command="xcopy /d/s/y &quot;$(Pkglog4net)\lib\net45\*&quot; &quot;$(SolutionDir)bin\$(Configuration)\Application\Built-in\Managed\Third-party\Log4net-2.0.12\*&quot;" />
   </Target>
Index: Riskeer/Integration/src/Riskeer.Integration.Plugin/RiskeerPlugin.cs
===================================================================
diff -u -rf2663f49768e7339f499240ba081fcb52f6393e0 -r6c6e35803f103849428c1e9bea47c817fe55c496
--- Riskeer/Integration/src/Riskeer.Integration.Plugin/RiskeerPlugin.cs	(.../RiskeerPlugin.cs)	(revision f2663f49768e7339f499240ba081fcb52f6393e0)
+++ Riskeer/Integration/src/Riskeer.Integration.Plugin/RiskeerPlugin.cs	(.../RiskeerPlugin.cs)	(revision 6c6e35803f103849428c1e9bea47c817fe55c496)
@@ -114,6 +114,7 @@
 using RiskeerCommonIOResources = Riskeer.Common.IO.Properties.Resources;
 using RiskeerCommonFormsResources = Riskeer.Common.Forms.Properties.Resources;
 using RiskeerCommonServiceResources = Riskeer.Common.Service.Properties.Resources;
+using FontFamily = System.Windows.Media.FontFamily;
 
 namespace Riskeer.Integration.Plugin
 {
@@ -273,7 +274,9 @@
 
         public override IEnumerable<StateInfo> GetStateInfos()
         {
-            yield return new StateInfo(Resources.RiskeerPlugin_GetStateInfos_AssessmentSection, "\uE94E", project =>
+            var fontFamily = new FontFamily(new Uri("pack://application:,,,/Riskeer.Integration.Plugin;component/Resources/"), "./#Deltares-Riskeer-Symbols");
+
+            yield return new StateInfo(Resources.RiskeerPlugin_GetStateInfos_AssessmentSection, "\uE900", fontFamily, project =>
             {
                 if (project is RiskeerProject riskeerProject)
                 {
@@ -285,7 +288,7 @@
                 return null;
             });
 
-            yield return new StateInfo(Resources.RiskeerPlugin_GetStateInfos_Calculations, "\uE91D", project =>
+            yield return new StateInfo(Resources.RiskeerPlugin_GetStateInfos_Calculations, "\uE901", fontFamily, project =>
             {
                 if (project is RiskeerProject riskeerProject)
                 {
@@ -295,7 +298,7 @@
                 return null;
             });
 
-            yield return new StateInfo(Resources.RiskeerPlugin_GetStateInfos_FailurePaths, "\uE953", project =>
+            yield return new StateInfo(Resources.RiskeerPlugin_GetStateInfos_FailurePaths, "\uE902", fontFamily, project =>
             {
                 if (project is RiskeerProject riskeerProject)
                 {