diff --git a/Apps.XtrfCustomerPortal/DataSources/LanguageDataSource.cs b/Apps.XtrfCustomerPortal/DataSources/LanguageDataSource.cs
index a3762c5..0f9b2b3 100644
--- a/Apps.XtrfCustomerPortal/DataSources/LanguageDataSource.cs
+++ b/Apps.XtrfCustomerPortal/DataSources/LanguageDataSource.cs
@@ -10,9 +10,9 @@ public class LanguageDataSource(InvocationContext invocationContext)
 {
     public async Task<Dictionary<string, string>> GetDataAsync(DataSourceContext context, CancellationToken cancellationToken)
     {
-        var languages = await Client.ExecuteRequestAsync<List<LanguageDto>>("/system/values/services", Method.Get, null);
+        var languages = await Client.ExecuteRequestAsync<List<LanguageDto>>("/system/values/languages", Method.Get, null);
         return languages
-            .Where(x => string.IsNullOrEmpty(context.SearchString) || x.Name.Contains(context.SearchString))
+            .Where(x => string.IsNullOrEmpty(context.SearchString) || x.Name.Contains(context.SearchString, StringComparison.OrdinalIgnoreCase))
             .ToDictionary(x => x.Id, x => x.Name);
     }
 }
diff --git a/Apps.XtrfCustomerPortal/DataSources/OfficeDataSource.cs b/Apps.XtrfCustomerPortal/DataSources/OfficeDataSource.cs
index f01ecbb..cc59fc7 100644
--- a/Apps.XtrfCustomerPortal/DataSources/OfficeDataSource.cs
+++ b/Apps.XtrfCustomerPortal/DataSources/OfficeDataSource.cs
@@ -13,7 +13,7 @@ public async Task<Dictionary<string, string>> GetDataAsync(DataSourceContext con
     {
         var offices = await Client.ExecuteRequestAsync<List<FullOfficeDto>>("/offices", Method.Get, null);
         return offices
-            .Where(x => string.IsNullOrEmpty(context.SearchString) || x.Name.Contains(context.SearchString))
+            .Where(x => string.IsNullOrEmpty(context.SearchString) || x.Name.Contains(context.SearchString, StringComparison.OrdinalIgnoreCase))
             .ToDictionary(x => x.Id.ToString(), x => x.Name);
     }
 }
\ No newline at end of file
diff --git a/Apps.XtrfCustomerPortal/DataSources/PersonDataSource.cs b/Apps.XtrfCustomerPortal/DataSources/PersonDataSource.cs
index 485ec54..e374d0e 100644
--- a/Apps.XtrfCustomerPortal/DataSources/PersonDataSource.cs
+++ b/Apps.XtrfCustomerPortal/DataSources/PersonDataSource.cs
@@ -25,7 +25,7 @@ public async Task<Dictionary<string, string>> GetDataAsync(DataSourceContext con
         }
 
         return officeDto.Persons
-            .Where(x => string.IsNullOrEmpty(context.SearchString) || x.Name.Contains(context.SearchString))
+            .Where(x => string.IsNullOrEmpty(context.SearchString) || x.Name.Contains(context.SearchString, StringComparison.OrdinalIgnoreCase))
             .ToDictionary(x => x.Id.ToString(), x => x.Name);
     }
 }
\ No newline at end of file
diff --git a/Apps.XtrfCustomerPortal/DataSources/PriceProfileDataSource.cs b/Apps.XtrfCustomerPortal/DataSources/PriceProfileDataSource.cs
index 63ec91f..5a29200 100644
--- a/Apps.XtrfCustomerPortal/DataSources/PriceProfileDataSource.cs
+++ b/Apps.XtrfCustomerPortal/DataSources/PriceProfileDataSource.cs
@@ -25,7 +25,7 @@ public async Task<Dictionary<string, string>> GetDataAsync(DataSourceContext con
         }
 
         return officeDto.PriceProfiles
-            .Where(x => string.IsNullOrEmpty(context.SearchString) || x.Name.Contains(context.SearchString))
+            .Where(x => string.IsNullOrEmpty(context.SearchString) || x.Name.Contains(context.SearchString, StringComparison.OrdinalIgnoreCase))
             .ToDictionary(x => x.Id.ToString(), x => x.Name);
     }
 }
\ No newline at end of file
diff --git a/Apps.XtrfCustomerPortal/DataSources/ServiceDataSource.cs b/Apps.XtrfCustomerPortal/DataSources/ServiceDataSource.cs
index aad7621..6265138 100644
--- a/Apps.XtrfCustomerPortal/DataSources/ServiceDataSource.cs
+++ b/Apps.XtrfCustomerPortal/DataSources/ServiceDataSource.cs
@@ -12,7 +12,7 @@ public async Task<Dictionary<string, string>> GetDataAsync(DataSourceContext con
     {
         var services = await Client.ExecuteRequestAsync<List<ServiceDto>>("/system/values/services", Method.Get, null);
         return services
-            .Where(x => string.IsNullOrEmpty(context.SearchString) || x.Name.Contains(context.SearchString))
+            .Where(x => string.IsNullOrEmpty(context.SearchString) || x.Name.Contains(context.SearchString, StringComparison.OrdinalIgnoreCase))
             .ToDictionary(x => x.Id, x => x.Name);
     }
 }
diff --git a/Apps.XtrfCustomerPortal/DataSources/SpecializationDataSource.cs b/Apps.XtrfCustomerPortal/DataSources/SpecializationDataSource.cs
index 21447d3..e4d928d 100644
--- a/Apps.XtrfCustomerPortal/DataSources/SpecializationDataSource.cs
+++ b/Apps.XtrfCustomerPortal/DataSources/SpecializationDataSource.cs
@@ -12,7 +12,7 @@ public async Task<Dictionary<string, string>> GetDataAsync(DataSourceContext con
     {
         var specializationDtos = await Client.ExecuteRequestAsync<List<SpecializationDto>>("/system/values/services", Method.Get, null);
         return specializationDtos
-            .Where(x => string.IsNullOrEmpty(context.SearchString) || x.Name.Contains(context.SearchString))
+            .Where(x => string.IsNullOrEmpty(context.SearchString) || x.Name.Contains(context.SearchString, StringComparison.OrdinalIgnoreCase))
             .ToDictionary(x => x.Id, x => x.Name);
     }
 }