diff --git a/README.md b/README.md
index e07d8f2..bd8e701 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 # Site Process
 
-A thin wrapper around the Symfony Process Component that allows applications to use the Site Alias library to specify the target for a remote call. 
+A thin wrapper around the Symfony Process Component that allows applications to use the Site Alias library to specify the target for a remote call.
 
 [![ci](https://github.com/consolidation/site-process/workflows/CI/badge.svg)](https://travis-ci.org/consolidation/site-process)
 [![scrutinizer](https://scrutinizer-ci.com/g/consolidation/site-process/badges/quality-score.png?b=master)](https://scrutinizer-ci.com/g/consolidation/site-process/?branch=master)
@@ -32,6 +32,18 @@ This is equivalent to:
 $process = $processManager->siteProcess($site_alias, ['git', '--untracked-files=no', 'status']);
 ```
 ### Transports
+
+The transport for a site alias is automatically determined based on its config. The
+transport can be specified explicitly using the `transport` property.
+
+Available transports:
+
+* ssh
+* kubectl
+* skpr
+* docker-dompose
+* vagrant
+
 #### SSH
 Wraps a command so that it runs on a remote system via the ssh cli.
 
@@ -41,7 +53,7 @@ local:
   host: localhost
   uri: http://localhost
   ssh:
-    options: -o PasswordAuthentication=no -i $HOME/.ssh/id_rsa 
+    options: -o PasswordAuthentication=no -i $HOME/.ssh/id_rsa
 
 ```
 ### Vagrant
@@ -97,7 +109,7 @@ The test suite may be run locally by way of some simple composer scripts:
 | Run all tests    | `composer test`
 | PHPUnit tests    | `composer unit`
 | PHP linter       | `composer lint`
-| Code style       | `composer cs`     
+| Code style       | `composer cs`
 | Fix style errors | `composer cbf`
 
 
diff --git a/src/ProcessManager.php b/src/ProcessManager.php
index acfe12b..40ce98b 100644
--- a/src/ProcessManager.php
+++ b/src/ProcessManager.php
@@ -69,11 +69,11 @@ public static function createDefault()
      */
     public static function addTransports(ProcessManager $processManager)
     {
-        $processManager->add(new SshTransportFactory());
-        $processManager->add(new KubectlTransportFactory());
-        $processManager->add(new SkprTransportFactory());
-        $processManager->add(new DockerComposeTransportFactory());
-        $processManager->add(new VagrantTransportFactory());
+        $processManager->add(new SshTransportFactory(), 'ssh');
+        $processManager->add(new KubectlTransportFactory(), 'kubectl');
+        $processManager->add(new SkprTransportFactory(), 'skpr');
+        $processManager->add(new DockerComposeTransportFactory(), 'docker-compose');
+        $processManager->add(new VagrantTransportFactory(), 'vagrant');
 
         return $processManager;
     }
@@ -125,10 +125,15 @@ public function shell($command, $cwd = null, array $env = null, $input = null, $
     /**
      * add a transport factory to our factory list
      * @param TransportFactoryInterface $factory
+     * @param string $name
      */
-    public function add(TransportFactoryInterface $factory)
+    public function add(TransportFactoryInterface $factory, string $name = null)
     {
-        $this->transportFactories[] = $factory;
+        if ($name) {
+            $this->transportFactories[$name] = $factory;
+        } else {
+            $this->transportFactories[] = $factory;
+        }
         return $this;
     }
 
@@ -170,8 +175,9 @@ public function getTransport(SiteAliasInterface $siteAlias)
      */
     protected function getTransportFactory(SiteAliasInterface $siteAlias)
     {
-        foreach ($this->transportFactories as $factory) {
-            if ($factory->check($siteAlias)) {
+        $transport = $siteAlias->get('transport');
+        foreach ($this->transportFactories as $key => $factory) {
+            if ((!$transport || $transport === $key) && $factory->check($siteAlias)) {
                 return $factory;
             }
         }
diff --git a/tests/SiteProcessTest.php b/tests/SiteProcessTest.php
index a207d8e..b5b29de 100644
--- a/tests/SiteProcessTest.php
+++ b/tests/SiteProcessTest.php
@@ -136,6 +136,17 @@ public function siteProcessTestValues()
                 NULL,
             ],
 
+            [
+                "kubectl --namespace=vv exec --tty=false --stdin=false deploy/drupal -- ls -al /path1 /path2",
+                false,
+                false,
+                ['transport' => 'kubectl', 'host' => 'server.net', 'kubectl' => ['namespace' => 'vv', 'resource' => 'deploy/drupal']],
+                ['ls', '-al', '/path1', '/path2'],
+                [],
+                [],
+                NULL,
+            ],
+
             [
                 "drush status '--fields=root,uri'",
                 false,