diff --git a/gcloud/cloudbuild.go b/gcloud/cloudbuild.go
index de64992..8b0fbea 100644
--- a/gcloud/cloudbuild.go
+++ b/gcloud/cloudbuild.go
@@ -28,7 +28,7 @@ func (c *Client) getCloudBuildService(project string) (*cloudbuild.Service, erro
 		return svc, nil
 	}
 
-	if err := c.ServiceEnable(project, "cloudbuild.googleapis.com"); err != nil {
+	if err := c.ServiceEnable(project, CloudBuild); err != nil {
 		return nil, fmt.Errorf("error activating service for polling: %s", err)
 	}
 
diff --git a/gcloud/clouddomains.go b/gcloud/clouddomains.go
index fbe78fd..358d791 100644
--- a/gcloud/clouddomains.go
+++ b/gcloud/clouddomains.go
@@ -44,7 +44,7 @@ func (c *Client) getDomainsClient(project string) (*domains.Client, error) {
 		return svc, nil
 	}
 
-	if err := c.ServiceEnable(project, "domains.googleapis.com"); err != nil {
+	if err := c.ServiceEnable(project, Domains); err != nil {
 		return nil, fmt.Errorf("error activating service for polling: %s", err)
 	}
 
diff --git a/gcloud/cloudfunctions.go b/gcloud/cloudfunctions.go
index e828617..c1a1baa 100644
--- a/gcloud/cloudfunctions.go
+++ b/gcloud/cloudfunctions.go
@@ -29,7 +29,7 @@ func (c *Client) getCloudFunctionsService(project string) (*cloudfunctions.Servi
 		return svc, nil
 	}
 
-	if err := c.ServiceEnable(project, "cloudfunctions.googleapis.com"); err != nil {
+	if err := c.ServiceEnable(project, CloudFunctions); err != nil {
 		return nil, fmt.Errorf("error activating service for polling: %s", err)
 	}
 
@@ -48,7 +48,7 @@ func (c *Client) getCloudFunctionsService(project string) (*cloudfunctions.Servi
 func (c *Client) FunctionRegionList(project string) ([]string, error) {
 	resp := []string{}
 
-	if err := c.ServiceEnable(project, "cloudfunctions.googleapis.com"); err != nil {
+	if err := c.ServiceEnable(project, CloudFunctions); err != nil {
 		return resp, fmt.Errorf("error activating service for polling: %s", err)
 	}
 
diff --git a/gcloud/cloudrun.go b/gcloud/cloudrun.go
index 1595ef2..fa1e048 100644
--- a/gcloud/cloudrun.go
+++ b/gcloud/cloudrun.go
@@ -29,7 +29,7 @@ func (c *Client) getRunService(project string) (*run.APIService, error) {
 		return svc, nil
 	}
 
-	if err := c.ServiceEnable(project, "run.googleapis.com"); err != nil {
+	if err := c.ServiceEnable(project, Run); err != nil {
 		return nil, fmt.Errorf("error activating service for polling: %s", err)
 	}
 
diff --git a/gcloud/computeengine.go b/gcloud/computeengine.go
index a2d80b3..61371fb 100644
--- a/gcloud/computeengine.go
+++ b/gcloud/computeengine.go
@@ -48,7 +48,7 @@ func (c *Client) getComputeService(project string) (*compute.Service, error) {
 		return svc, nil
 	}
 
-	if err := c.ServiceEnable(project, "compute.googleapis.com"); err != nil {
+	if err := c.ServiceEnable(project, Compute); err != nil {
 		return nil, fmt.Errorf("error activating service for polling: %s", err)
 	}
 
diff --git a/gcloud/gcloud_test.go b/gcloud/gcloud_test.go
index b40c985..0b1f270 100644
--- a/gcloud/gcloud_test.go
+++ b/gcloud/gcloud_test.go
@@ -471,7 +471,7 @@ func TestBreakServicesServiceUsage(t *testing.T) {
 				client.services.serviceUsage.BasePath = "nonsenseshouldbreak"
 			},
 			errorfunc: func() (interface{}, error) {
-				return client.ServiceIsEnabled(projectID, "example.com")
+				return client.ServiceIsEnabled(projectID, Compute)
 			},
 		},
 	}
diff --git a/gcloud/iam.go b/gcloud/iam.go
index f71629e..e23ae2d 100644
--- a/gcloud/iam.go
+++ b/gcloud/iam.go
@@ -28,7 +28,7 @@ func (c *Client) getIAMService(project string) (*iam.Service, error) {
 		return svc, nil
 	}
 
-	if err := c.ServiceEnable(project, "domains.googleapis.com"); err != nil {
+	if err := c.ServiceEnable(project, IAM); err != nil {
 		return nil, fmt.Errorf("error activating service for polling: %s", err)
 	}
 
diff --git a/gcloud/scheduler.go b/gcloud/scheduler.go
index 51fa896..6a4cbeb 100644
--- a/gcloud/scheduler.go
+++ b/gcloud/scheduler.go
@@ -30,7 +30,7 @@ func (c *Client) getSchedulerService(project string) (*scheduler.CloudSchedulerC
 		return svc, nil
 	}
 
-	if err := c.ServiceEnable(project, "cloudscheduler.googleapis.com"); err != nil {
+	if err := c.ServiceEnable(project, CloudScheduler); err != nil {
 		return nil, fmt.Errorf("error activating service for polling: %s", err)
 	}
 
diff --git a/gcloud/secretmanager.go b/gcloud/secretmanager.go
index 9d307ad..0ac34cd 100644
--- a/gcloud/secretmanager.go
+++ b/gcloud/secretmanager.go
@@ -29,7 +29,7 @@ func (c *Client) getSecretManagerService(project string) (*secretmanager.Service
 		return svc, nil
 	}
 
-	if err := c.ServiceEnable(project, "secretmanager.googleapis.com"); err != nil {
+	if err := c.ServiceEnable(project, SecretManager); err != nil {
 		return nil, fmt.Errorf("error activating service for polling: %s", err)
 	}
 
diff --git a/gcloud/serviceusage.go b/gcloud/serviceusage.go
index 96c076e..8c4526e 100644
--- a/gcloud/serviceusage.go
+++ b/gcloud/serviceusage.go
@@ -22,6 +22,67 @@ import (
 	"google.golang.org/api/serviceusage/v1"
 )
 
+// Service is an enum that makes it easy to reference Google Cloud Services
+type Service int64
+
+const (
+	// Compute is the service name for enabling Compute Engine
+	Compute Service = iota + 1
+	// CloudResourceManager is the service name for enabling
+	// CloudResourceManager this is ultimately about manipulating projects
+	CloudResourceManager
+	// CloudBuild is the service name for enabling Cloud Build
+	CloudBuild
+	// CloudScheduler is the service name for enabling Cloud Scheduler
+	CloudScheduler
+	// Domains is the service name for enabling Cloud Domains
+	Domains
+	// CloudFunctions is the service name for enabling Cloud Functions
+	CloudFunctions
+	// Run is the service name for enabling Cloud Run
+	Run
+	// IAM is the service name for enabling Cloud IAM
+	IAM
+	// SecretManager is the service name for enabling Cloud Secret Manager
+	SecretManager
+	// Storage is the service name for enabling Cloud Storage
+	Storage
+	// Vault is the service name for enabling Cloud Vault
+	Vault
+)
+
+func (s Service) String() string {
+	apistring := "googleapis.com"
+	svc := ""
+	switch s {
+	case Compute:
+		svc = "compute"
+	case CloudResourceManager:
+		svc = "cloudresourcemanager"
+	case CloudBuild:
+		svc = "cloudbuild"
+	case Domains:
+		svc = "domains"
+	case CloudFunctions:
+		svc = "cloudfunctions"
+	case Run:
+		svc = "run"
+	case IAM:
+		svc = "iam"
+	case SecretManager:
+		svc = "secretmanager"
+	case Storage:
+		svc = "storage"
+	case CloudScheduler:
+		svc = "cloudscheduler"
+	case Vault:
+		svc = "vault"
+	default:
+		svc = "unknown"
+	}
+	return fmt.Sprintf("%s.%s", svc, apistring)
+}
+
 // ErrorServiceNotExistOrNotAllowed occurs when the user running this code doesn't have
 // permission to enable the service in the project or it's a nonexistent service name.
 var ErrorServiceNotExistOrNotAllowed = fmt.Errorf("Not found or permission denied for service")
@@ -50,8 +111,8 @@ func (c *Client) getServiceUsageService() (*serviceusage.Service, error) {
 
 // ServiceEnable enable a service in the selected project so that query calls
 // to various lists will work.
-func (c *Client) ServiceEnable(project, service string) error {
-	if _, ok := c.enabledServices[service]; ok {
+func (c *Client) ServiceEnable(project string, service Service) error {
+	if _, ok := c.enabledServices[service.String()]; ok {
 		return nil
 	}
 
@@ -66,7 +127,7 @@ func (c *Client) ServiceEnable(project, service string) error {
 	}
 
 	if enabled {
-		c.enabledServices[service] = true
+		c.enabledServices[service.String()] = true
 		return nil
 	}
 
@@ -83,20 +144,20 @@ func (c *Client) ServiceEnable(project, service string) error {
 				return err
 			}
 			if enabled {
-				c.enabledServices[service] = true
+				c.enabledServices[service.String()] = true
 				return nil
 			}
 			time.Sleep(1 * time.Second)
 		}
 	}
 
-	c.enabledServices[service] = true
+	c.enabledServices[service.String()] = true
 	return nil
 }
 
 // ServiceIsEnabled checks to see if the existing service is already enabled
 // in the project we are trying to enable it in.
-func (c *Client) ServiceIsEnabled(project, service string) (bool, error) {
+func (c *Client) ServiceIsEnabled(project string, service Service) (bool, error) {
 	svc, err := c.getServiceUsageService()
 
 	if project == "" {
@@ -121,7 +182,7 @@ func (c *Client) ServiceIsEnabled(project, service string) (bool, error) {
 }
 
 // ServiceDisable disables a service in the selected project
-func (c *Client) ServiceDisable(project, service string) error {
+func (c *Client) ServiceDisable(project string, service Service) error {
 	svc, err := c.getServiceUsageService()
 	if err != nil {
 		return err
diff --git a/gcloud/serviceusage_test.go b/gcloud/serviceusage_test.go
index cd98a5b..81c7f67 100644
--- a/gcloud/serviceusage_test.go
+++ b/gcloud/serviceusage_test.go
@@ -20,19 +20,21 @@ import (
 	"testing"
 )
 
+const FAKESERVICE Service = 1000004
+
 func TestServiceEnable(t *testing.T) {
 	c := NewClient(ctx, defaultUserAgent)
 	tests := map[string]struct {
-		service string
+		service Service
 		project string
 		err     error
 		want    bool
 		disable bool
 	}{
-		"vault":        {"vault.googleapis.com", projectID, nil, true, true},
-		"compute":      {"compute.googleapis.com", projectID, nil, true, false},
-		"fakeservice":  {"fakeservice.googleapis.com", projectID, ErrorServiceNotExistOrNotAllowed, false, false},
-		"emptyproject": {"compute.googleapis.com", "", ErrorProjectRequired, false, false},
+		"vault":        {Vault, projectID, nil, true, true},
+		"compute":      {Compute, projectID, nil, true, false},
+		"emptyproject": {Compute, "", ErrorProjectRequired, false, false},
+		"fakeservice":  {FAKESERVICE, projectID, ErrorServiceNotExistOrNotAllowed, false, false},
 	}
 
 	for name, tc := range tests {
@@ -67,13 +69,13 @@ func TestServiceEnable(t *testing.T) {
 func TestServiceDisable(t *testing.T) {
 	c := NewClient(ctx, defaultUserAgent)
 	tests := map[string]struct {
-		service string
+		service Service
 		project string
 		err     error
 		want    bool
 	}{
-		"vault":       {"vault.googleapis.com", projectID, nil, false},
-		"fakeservice": {"fakeservice.googleapis.com", projectID, ErrorServiceNotExistOrNotAllowed, false},
+		"vault":       {Vault, projectID, nil, false},
+		"fakeservice": {FAKESERVICE, projectID, ErrorServiceNotExistOrNotAllowed, false},
 	}
 
 	for name, tc := range tests {
diff --git a/gcloud/storage.go b/gcloud/storage.go
index a5d9228..be88695 100644
--- a/gcloud/storage.go
+++ b/gcloud/storage.go
@@ -31,7 +31,7 @@ func (c *Client) getStorageService(project string) (*storage.Client, error) {
 		return svc, nil
 	}
 
-	if err := c.ServiceEnable(project, "storage.googleapis.com"); err != nil {
+	if err := c.ServiceEnable(project, Storage); err != nil {
 		return nil, fmt.Errorf("error activating service for polling: %s", err)
 	}