diff --git a/app/controllers/process_units_controller.rb b/app/controllers/process_units_controller.rb
index 7729304..492e05f 100644
--- a/app/controllers/process_units_controller.rb
+++ b/app/controllers/process_units_controller.rb
@@ -1,2 +1,83 @@
 class ProcessUnitsController < ApplicationController
+  # GET /process_units
+  # GET /process_units.xml
+  def index
+    @process_units = ProcessUnit.all
+
+    respond_to do |format|
+      format.html # index.html.erb
+      format.xml  { render :xml => @process_units }
+    end
+  end
+
+  # GET /process_units/1
+  # GET /process_units/1.xml
+  def show
+    @process_unit = ProcessUnit.find(params[:id])
+
+    respond_to do |format|
+      format.html # show.html.erb
+      format.xml  { render :xml => @process_unit }
+    end
+  end
+
+  # GET /process_units/new
+  # GET /process_units/new.xml
+  def new
+    @process_unit = ProcessUnit.new
+
+    respond_to do |format|
+      format.html # new.html.erb
+      format.xml  { render :xml => @process_unit }
+    end
+  end
+
+  # GET /process_units/1/edit
+  def edit
+    @process_unit = ProcessUnit.find(params[:id])
+  end
+
+  # POST /process_units
+  # POST /process_units.xml
+  def create
+    @process_unit = ProcessUnit.new(params[:process_unit])
+
+    respond_to do |format|
+      if @process_unit.save
+        format.html { redirect_to(@process_unit, :notice => 'Process unit was successfully created.') }
+        format.xml  { render :xml => @process_unit, :status => :created, :location => @process_unit }
+      else
+        format.html { render :action => "new" }
+        format.xml  { render :xml => @process_unit.errors, :status => :unprocessable_entity }
+      end
+    end
+  end
+
+  # PUT /process_units/1
+  # PUT /process_units/1.xml
+  def update
+    @process_unit = ProcessUnit.find(params[:id])
+
+    respond_to do |format|
+      if @process_unit.update_attributes(params[:process_unit])
+        format.html { redirect_to(@process_unit, :notice => 'Process unit was successfully updated.') }
+        format.xml  { head :ok }
+      else
+        format.html { render :action => "edit" }
+        format.xml  { render :xml => @process_unit.errors, :status => :unprocessable_entity }
+      end
+    end
+  end
+
+  # DELETE /process_units/1
+  # DELETE /process_units/1.xml
+  def destroy
+    @process_unit = ProcessUnit.find(params[:id])
+    @process_unit.destroy
+
+    respond_to do |format|
+      format.html { redirect_to(process_units_url) }
+      format.xml  { head :ok }
+    end
+  end
 end
diff --git a/app/views/process_units/_form.html.erb b/app/views/process_units/_form.html.erb
new file mode 100644
index 0000000..28127bb
--- /dev/null
+++ b/app/views/process_units/_form.html.erb
@@ -0,0 +1,17 @@
+<%= form_for(@process_unit) do |f| %>
+  <% if @process_unit.errors.any? %>
+    <div id="error_explanation">
+      <h2><%= pluralize(@process_unit.errors.count, "error") %> prohibited this process_unit from being saved:</h2>
+
+      <ul>
+      <% @process_unit.errors.full_messages.each do |msg| %>
+        <li><%= msg %></li>
+      <% end %>
+      </ul>
+    </div>
+  <% end %>
+
+  <div class="actions">
+    <%= f.submit %>
+  </div>
+<% end %>
diff --git a/app/views/process_units/edit.html.erb b/app/views/process_units/edit.html.erb
new file mode 100644
index 0000000..0d09613
--- /dev/null
+++ b/app/views/process_units/edit.html.erb
@@ -0,0 +1,6 @@
+<h1>Editing process_unit</h1>
+
+<%= render 'form' %>
+
+<%= link_to 'Show', @process_unit %> |
+<%= link_to 'Back', process_units_path %>
diff --git a/app/views/process_units/index.html.erb b/app/views/process_units/index.html.erb
new file mode 100644
index 0000000..e039cee
--- /dev/null
+++ b/app/views/process_units/index.html.erb
@@ -0,0 +1,21 @@
+<h1>Listing process_units</h1>
+
+<table>
+  <tr>
+    <th></th>
+    <th></th>
+    <th></th>
+  </tr>
+
+<% @process_units.each do |process_unit| %>
+  <tr>
+    <td><%= link_to 'Show', process_unit %></td>
+    <td><%= link_to 'Edit', edit_process_unit_path(process_unit) %></td>
+    <td><%= link_to 'Destroy', process_unit, :confirm => 'Are you sure?', :method => :delete %></td>
+  </tr>
+<% end %>
+</table>
+
+<br />
+
+<%= link_to 'New Process unit', new_process_unit_path %>
diff --git a/app/views/process_units/new.html.erb b/app/views/process_units/new.html.erb
new file mode 100644
index 0000000..aaaa54f
--- /dev/null
+++ b/app/views/process_units/new.html.erb
@@ -0,0 +1,5 @@
+<h1>New process_unit</h1>
+
+<%= render 'form' %>
+
+<%= link_to 'Back', process_units_path %>
diff --git a/app/views/process_units/show.html.erb b/app/views/process_units/show.html.erb
new file mode 100644
index 0000000..e7db36e
--- /dev/null
+++ b/app/views/process_units/show.html.erb
@@ -0,0 +1,5 @@
+<p id="notice"><%= notice %></p>
+
+
+<%= link_to 'Edit', edit_process_unit_path(@process_unit) %> |
+<%= link_to 'Back', process_units_path %>
diff --git a/config/routes.rb b/config/routes.rb
index d08e263..c4a69fa 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -1,7 +1,8 @@
 Switcher::Application.routes.draw do
-  resources :process_units
+  
 
   resources :process_flows
+  resources :process_units
 
   # The priority is based upon order of creation:
   # first created -> highest priority.
diff --git a/spec/controllers/process_units_controller_spec.rb b/spec/controllers/process_units_controller_spec.rb
index 16663dc..9a4404a 100644
--- a/spec/controllers/process_units_controller_spec.rb
+++ b/spec/controllers/process_units_controller_spec.rb
@@ -1,5 +1,125 @@
 require 'spec_helper'
 
+# This spec was generated by rspec-rails when you ran the scaffold generator.
+# It demonstrates how one might use RSpec to specify the controller code that
+# was generated by the Rails when you ran the scaffold generator.
+
 describe ProcessUnitsController do
 
+  def mock_process_unit(stubs={})
+    @mock_process_unit ||= mock_model(ProcessUnit, stubs).as_null_object
+  end
+
+  describe "GET index" do
+    it "assigns all process_units as @process_units" do
+      ProcessUnit.stub(:all) { [mock_process_unit] }
+      get :index
+      assigns(:process_units).should eq([mock_process_unit])
+    end
+  end
+
+  describe "GET show" do
+    it "assigns the requested process_unit as @process_unit" do
+      ProcessUnit.stub(:find).with("37") { mock_process_unit }
+      get :show, :id => "37"
+      assigns(:process_unit).should be(mock_process_unit)
+    end
+  end
+
+  describe "GET new" do
+    it "assigns a new process_unit as @process_unit" do
+      ProcessUnit.stub(:new) { mock_process_unit }
+      get :new
+      assigns(:process_unit).should be(mock_process_unit)
+    end
+  end
+
+  describe "GET edit" do
+    it "assigns the requested process_unit as @process_unit" do
+      ProcessUnit.stub(:find).with("37") { mock_process_unit }
+      get :edit, :id => "37"
+      assigns(:process_unit).should be(mock_process_unit)
+    end
+  end
+
+  describe "POST create" do
+    describe "with valid params" do
+      it "assigns a newly created process_unit as @process_unit" do
+        ProcessUnit.stub(:new).with({'these' => 'params'}) { mock_process_unit(:save => true) }
+        post :create, :process_unit => {'these' => 'params'}
+        assigns(:process_unit).should be(mock_process_unit)
+      end
+
+      it "redirects to the created process_unit" do
+        ProcessUnit.stub(:new) { mock_process_unit(:save => true) }
+        post :create, :process_unit => {}
+        response.should redirect_to(process_unit_url(mock_process_unit))
+      end
+    end
+
+    describe "with invalid params" do
+      it "assigns a newly created but unsaved process_unit as @process_unit" do
+        ProcessUnit.stub(:new).with({'these' => 'params'}) { mock_process_unit(:save => false) }
+        post :create, :process_unit => {'these' => 'params'}
+        assigns(:process_unit).should be(mock_process_unit)
+      end
+
+      it "re-renders the 'new' template" do
+        ProcessUnit.stub(:new) { mock_process_unit(:save => false) }
+        post :create, :process_unit => {}
+        response.should render_template("new")
+      end
+    end
+  end
+
+  describe "PUT update" do
+    describe "with valid params" do
+      it "updates the requested process_unit" do
+        ProcessUnit.stub(:find).with("37") { mock_process_unit }
+        mock_process_unit.should_receive(:update_attributes).with({'these' => 'params'})
+        put :update, :id => "37", :process_unit => {'these' => 'params'}
+      end
+
+      it "assigns the requested process_unit as @process_unit" do
+        ProcessUnit.stub(:find) { mock_process_unit(:update_attributes => true) }
+        put :update, :id => "1"
+        assigns(:process_unit).should be(mock_process_unit)
+      end
+
+      it "redirects to the process_unit" do
+        ProcessUnit.stub(:find) { mock_process_unit(:update_attributes => true) }
+        put :update, :id => "1"
+        response.should redirect_to(process_unit_url(mock_process_unit))
+      end
+    end
+
+    describe "with invalid params" do
+      it "assigns the process_unit as @process_unit" do
+        ProcessUnit.stub(:find) { mock_process_unit(:update_attributes => false) }
+        put :update, :id => "1"
+        assigns(:process_unit).should be(mock_process_unit)
+      end
+
+      it "re-renders the 'edit' template" do
+        ProcessUnit.stub(:find) { mock_process_unit(:update_attributes => false) }
+        put :update, :id => "1"
+        response.should render_template("edit")
+      end
+    end
+  end
+
+  describe "DELETE destroy" do
+    it "destroys the requested process_unit" do
+      ProcessUnit.stub(:find).with("37") { mock_process_unit }
+      mock_process_unit.should_receive(:destroy)
+      delete :destroy, :id => "37"
+    end
+
+    it "redirects to the process_units list" do
+      ProcessUnit.stub(:find) { mock_process_unit }
+      delete :destroy, :id => "1"
+      response.should redirect_to(process_units_url)
+    end
+  end
+
 end
diff --git a/spec/requests/process_units_spec.rb b/spec/requests/process_units_spec.rb
new file mode 100644
index 0000000..d2288b4
--- /dev/null
+++ b/spec/requests/process_units_spec.rb
@@ -0,0 +1,11 @@
+require 'spec_helper'
+
+describe "ProcessUnits" do
+  describe "GET /process_units" do
+    it "works! (now write some real specs)" do
+      # Run the generator again with the --webrat flag if you want to use webrat methods/matchers
+      get process_units_path
+      response.status.should be(200)
+    end
+  end
+end
diff --git a/spec/routing/process_units_routing_spec.rb b/spec/routing/process_units_routing_spec.rb
new file mode 100644
index 0000000..c31a9ee
--- /dev/null
+++ b/spec/routing/process_units_routing_spec.rb
@@ -0,0 +1,35 @@
+require "spec_helper"
+
+describe ProcessUnitsController do
+  describe "routing" do
+
+    it "recognizes and generates #index" do
+      { :get => "/process_units" }.should route_to(:controller => "process_units", :action => "index")
+    end
+
+    it "recognizes and generates #new" do
+      { :get => "/process_units/new" }.should route_to(:controller => "process_units", :action => "new")
+    end
+
+    it "recognizes and generates #show" do
+      { :get => "/process_units/1" }.should route_to(:controller => "process_units", :action => "show", :id => "1")
+    end
+
+    it "recognizes and generates #edit" do
+      { :get => "/process_units/1/edit" }.should route_to(:controller => "process_units", :action => "edit", :id => "1")
+    end
+
+    it "recognizes and generates #create" do
+      { :post => "/process_units" }.should route_to(:controller => "process_units", :action => "create")
+    end
+
+    it "recognizes and generates #update" do
+      { :put => "/process_units/1" }.should route_to(:controller => "process_units", :action => "update", :id => "1")
+    end
+
+    it "recognizes and generates #destroy" do
+      { :delete => "/process_units/1" }.should route_to(:controller => "process_units", :action => "destroy", :id => "1")
+    end
+
+  end
+end
diff --git a/spec/views/process_units/edit.html.erb_spec.rb b/spec/views/process_units/edit.html.erb_spec.rb
new file mode 100644
index 0000000..04f9c5e
--- /dev/null
+++ b/spec/views/process_units/edit.html.erb_spec.rb
@@ -0,0 +1,15 @@
+require 'spec_helper'
+
+describe "process_units/edit.html.erb" do
+  before(:each) do
+    @process_unit = assign(:process_unit, stub_model(ProcessUnit))
+  end
+
+  it "renders the edit process_unit form" do
+    render
+
+    # Run the generator again with the --webrat flag if you want to use webrat matchers
+    assert_select "form", :action => process_unit_path(@process_unit), :method => "post" do
+    end
+  end
+end
diff --git a/spec/views/process_units/index.html.erb_spec.rb b/spec/views/process_units/index.html.erb_spec.rb
new file mode 100644
index 0000000..d862907
--- /dev/null
+++ b/spec/views/process_units/index.html.erb_spec.rb
@@ -0,0 +1,14 @@
+require 'spec_helper'
+
+describe "process_units/index.html.erb" do
+  before(:each) do
+    assign(:process_units, [
+      stub_model(ProcessUnit),
+      stub_model(ProcessUnit)
+    ])
+  end
+
+  it "renders a list of process_units" do
+    render
+  end
+end
diff --git a/spec/views/process_units/new.html.erb_spec.rb b/spec/views/process_units/new.html.erb_spec.rb
new file mode 100644
index 0000000..f05ef5c
--- /dev/null
+++ b/spec/views/process_units/new.html.erb_spec.rb
@@ -0,0 +1,15 @@
+require 'spec_helper'
+
+describe "process_units/new.html.erb" do
+  before(:each) do
+    assign(:process_unit, stub_model(ProcessUnit).as_new_record)
+  end
+
+  it "renders new process_unit form" do
+    render
+
+    # Run the generator again with the --webrat flag if you want to use webrat matchers
+    assert_select "form", :action => process_units_path, :method => "post" do
+    end
+  end
+end
diff --git a/spec/views/process_units/show.html.erb_spec.rb b/spec/views/process_units/show.html.erb_spec.rb
new file mode 100644
index 0000000..bd54717
--- /dev/null
+++ b/spec/views/process_units/show.html.erb_spec.rb
@@ -0,0 +1,11 @@
+require 'spec_helper'
+
+describe "process_units/show.html.erb" do
+  before(:each) do
+    @process_unit = assign(:process_unit, stub_model(ProcessUnit))
+  end
+
+  it "renders attributes in <p>" do
+    render
+  end
+end