diff --git a/University.sln b/University.sln
index a3381e2..1438363 100644
--- a/University.sln
+++ b/University.sln
@@ -5,6 +5,16 @@ VisualStudioVersion = 17.4.33213.308
 MinimumVisualStudioVersion = 10.0.40219.1
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "UniversityBusinessLogic", "UniversityBusinessLogic\UniversityBusinessLogic\UniversityBusinessLogic.csproj", "{14D14C9D-57BE-42CC-B352-DA8918883A0E}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "UniversityCustomer", "UniversityCustomer\UniversityCustomer.csproj", "{1360F158-7807-49AD-94A2-4E2ACB2A941E}"
+EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "UniversityProvider", "UniversityProvider\UniversityProvider.csproj", "{78686252-0C90-4D1C-ADC6-8CFCCB84C393}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "UniversityContracts", "Contracts\UniversityContracts.csproj", "{21C732BB-0CF3-49E1-A12A-65055F833B87}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "UniversityModels", "UniversityModels\UniversityModels.csproj", "{597412F7-884C-49CB-AC41-36308551D330}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "UniversityDataBaseImplemet", "UniversityDataBaseImplemet\UniversityDataBaseImplemet.csproj", "{F8532F5E-942B-428E-8A10-280E905B8185}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -15,6 +25,26 @@ Global
 		{14D14C9D-57BE-42CC-B352-DA8918883A0E}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{14D14C9D-57BE-42CC-B352-DA8918883A0E}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{14D14C9D-57BE-42CC-B352-DA8918883A0E}.Release|Any CPU.Build.0 = Release|Any CPU
+		{1360F158-7807-49AD-94A2-4E2ACB2A941E}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{1360F158-7807-49AD-94A2-4E2ACB2A941E}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{1360F158-7807-49AD-94A2-4E2ACB2A941E}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{1360F158-7807-49AD-94A2-4E2ACB2A941E}.Release|Any CPU.Build.0 = Release|Any CPU
+		{78686252-0C90-4D1C-ADC6-8CFCCB84C393}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{78686252-0C90-4D1C-ADC6-8CFCCB84C393}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{78686252-0C90-4D1C-ADC6-8CFCCB84C393}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{78686252-0C90-4D1C-ADC6-8CFCCB84C393}.Release|Any CPU.Build.0 = Release|Any CPU
+		{21C732BB-0CF3-49E1-A12A-65055F833B87}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{21C732BB-0CF3-49E1-A12A-65055F833B87}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{21C732BB-0CF3-49E1-A12A-65055F833B87}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{21C732BB-0CF3-49E1-A12A-65055F833B87}.Release|Any CPU.Build.0 = Release|Any CPU
+		{597412F7-884C-49CB-AC41-36308551D330}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{597412F7-884C-49CB-AC41-36308551D330}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{597412F7-884C-49CB-AC41-36308551D330}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{597412F7-884C-49CB-AC41-36308551D330}.Release|Any CPU.Build.0 = Release|Any CPU
+		{F8532F5E-942B-428E-8A10-280E905B8185}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{F8532F5E-942B-428E-8A10-280E905B8185}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{F8532F5E-942B-428E-8A10-280E905B8185}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{F8532F5E-942B-428E-8A10-280E905B8185}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
diff --git a/Contracts/Class1.cs b/UniversityContracts/Class1.cs
similarity index 100%
rename from Contracts/Class1.cs
rename to UniversityContracts/Class1.cs
diff --git a/Contracts/UniversityContracts.csproj b/UniversityContracts/UniversityContracts.csproj
similarity index 100%
rename from Contracts/UniversityContracts.csproj
rename to UniversityContracts/UniversityContracts.csproj