diff --git a/src/Client/src/app/models/Company.ts b/src/Client/src/app/models/Company.ts
index 4ceca30..d0762ca 100644
--- a/src/Client/src/app/models/Company.ts
+++ b/src/Client/src/app/models/Company.ts
@@ -1,5 +1,5 @@
 export class Company {
-  public id: number = 0;
+  public id: number = -1;
   public name: string = "";
   public email: string = "";
   public emailVerified: boolean = false;
@@ -14,7 +14,7 @@ export class Company {
 }
 
 export class Employee {
-  public id: number = 0;
+  public id: number = -1;
   public accountID: number = 0;
   public company: Company = new Company;
 }
\ No newline at end of file
diff --git a/src/Client/src/app/models/JobListing.ts b/src/Client/src/app/models/JobListing.ts
index 3aae717..18b9427 100644
--- a/src/Client/src/app/models/JobListing.ts
+++ b/src/Client/src/app/models/JobListing.ts
@@ -1,5 +1,5 @@
 export class JobListing {
-  public id: number = 0;
+  public id: number = -1;
   public companyID: number = 0;
   public title: string = "";
   public postalCode: string = "";
diff --git a/src/Client/src/app/models/Resume.ts b/src/Client/src/app/models/Resume.ts
index ef68ba7..4ac970f 100644
--- a/src/Client/src/app/models/Resume.ts
+++ b/src/Client/src/app/models/Resume.ts
@@ -1,5 +1,5 @@
 export class Resume {
-    public id: number = 0;
+    public id: number = -1;
     public accountID: number = 0;
     public name: string = "";
     public field: string = "";
@@ -20,7 +20,7 @@ export class Resume {
 }
 
 export class ResumeExperience {
-    id: number = 0;
+    id: number = -1;
     resumeID: number = 0;
     jobTitle: string = "";
     company: string = "";
@@ -35,14 +35,14 @@ export class ResumeExperience {
 }
 
 export class ResumeExperienceBullet {
-    id: number = 0;
+    id: number = -1;
     resumeID: number = 0;
     resumeExperienceID: number = 0;
     jobFunction: string = "";
 }
 
 export class ResumeMilitary {
-    id: number = 0;
+    id: number = -1;
     resumeID: number = 0;
     country: string = "";
     rank: string = "";
@@ -53,7 +53,7 @@ export class ResumeMilitary {
 }
 
 export class ResumeMilitaryBullet {
-    id: number = 0;
+    id: number = -1;
     resumeID: number = 0;
     resumeMilitaryID: number = 0;
     achievement: string = "";
@@ -61,7 +61,7 @@ export class ResumeMilitaryBullet {
 }
 
 export class ResumeEducation {
-    id: number = 0;
+    id: number = -1;
     resumeID: number = 0;
     degreeType: string = "";
     degreeField: string = "";
@@ -76,21 +76,21 @@ export class ResumeEducation {
 }
 
 export class ResumeSkill {
-    id: number = 0; // PK
-    resumeID: number = 0; // FK
+    id: number = -1;
+    resumeID: number = 0;
     name: string = "";
     description: string = "";
 }
 
 export class ResumeLanguage {
-    id: number = 0;
+    id: number = -1;
     resumeID: number = 0;
     language: string = "";
     proficiency: string = "";
 }
 
 export class ResumeCertification {
-    id: number = 0;
+    id: number = -1;
     resumeID: number = 0;
     name: string = "";
     verificationURL: string = "";
@@ -98,7 +98,7 @@ export class ResumeCertification {
 }
 
 export class ResumeProject {
-    id: number = 0;
+    id: number = -1;
     resumeID: number = 0;
     name: string = "";
     url: string = "";