diff --git a/SystemKonkursow/4.2.1/aspnet-core/src/SystemKonkursow.Application/Competition/CompetitionCategory/CompetitionCategoryAppService.cs b/SystemKonkursow/4.2.1/aspnet-core/src/SystemKonkursow.Application/Competition/CompetitionCategory/CompetitionCategoryAppService.cs
new file mode 100644
index 0000000..ba5a141
--- /dev/null
+++ b/SystemKonkursow/4.2.1/aspnet-core/src/SystemKonkursow.Application/Competition/CompetitionCategory/CompetitionCategoryAppService.cs
@@ -0,0 +1,29 @@
+using Abp.Authorization;
+using Abp.Domain.Repositories;
+using System.Collections.Generic;
+using System.Linq;
+using SystemKonkursow.Competition.CompetitionCategory.Dto;
+
+namespace SystemKonkursow.Competition.CompetitionCategory
+{
+    public class CompetitionCategoryAppService : SystemKonkursowAppServiceBase
+    {
+        private readonly IRepository<Domain.CompetitionCategory, int> _competitionCategoryRepository;
+
+        public CompetitionCategoryAppService(IRepository<Domain.CompetitionCategory, int> competitionCategoryRepository)
+        {
+            _competitionCategoryRepository = competitionCategoryRepository;
+        }
+
+        [AbpAuthorize]
+        public List<CompetitionCategoryDto> GetAllCompetitionCategories()
+        {
+            var competitionCategories = _competitionCategoryRepository.GetAll().ToList();
+
+            var mappedObjects = ObjectMapper.Map<List<CompetitionCategoryDto>>(competitionCategories
+                .OrderBy(t => t.Name));
+
+            return mappedObjects;
+        }
+    }
+}
diff --git a/SystemKonkursow/4.2.1/aspnet-core/src/SystemKonkursow.Application/Competition/CompetitionCategory/Dto/CompetitionCategoryDto.cs b/SystemKonkursow/4.2.1/aspnet-core/src/SystemKonkursow.Application/Competition/CompetitionCategory/Dto/CompetitionCategoryDto.cs
new file mode 100644
index 0000000..48dd8fa
--- /dev/null
+++ b/SystemKonkursow/4.2.1/aspnet-core/src/SystemKonkursow.Application/Competition/CompetitionCategory/Dto/CompetitionCategoryDto.cs
@@ -0,0 +1,9 @@
+using Abp.Application.Services.Dto;
+
+namespace SystemKonkursow.Competition.CompetitionCategory.Dto
+{
+    public class CompetitionCategoryDto : EntityDto<int>
+    {
+        public string Name { get; set; }
+    }
+}
diff --git a/SystemKonkursow/4.2.1/aspnet-core/src/SystemKonkursow.Application/Competition/CompetitionCategory/Dto/CompetitionCategoryMapProfile.cs b/SystemKonkursow/4.2.1/aspnet-core/src/SystemKonkursow.Application/Competition/CompetitionCategory/Dto/CompetitionCategoryMapProfile.cs
new file mode 100644
index 0000000..1604ae5
--- /dev/null
+++ b/SystemKonkursow/4.2.1/aspnet-core/src/SystemKonkursow.Application/Competition/CompetitionCategory/Dto/CompetitionCategoryMapProfile.cs
@@ -0,0 +1,12 @@
+using AutoMapper;
+
+namespace SystemKonkursow.Competition.CompetitionCategory.Dto
+{
+    public class CompetitionCategoryMapProfile : Profile
+    {
+        public CompetitionCategoryMapProfile()
+        {
+            CreateMap<Domain.CompetitionCategory, CompetitionCategoryDto>();
+        }
+    }
+}