diff --git a/.gitignore b/.gitignore
index b04a8c8..b213c5f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -6,6 +6,6 @@
 /pkg/
 /spec/reports/
 /tmp/
-
+.idea
 # rspec failure tracking
 .rspec_status
diff --git a/.rubocop_todo.yml b/.rubocop_todo.yml
index 44acdbc..5861265 100644
--- a/.rubocop_todo.yml
+++ b/.rubocop_todo.yml
@@ -93,6 +93,7 @@ RSpec/MultipleExpectations:
 RSpec/NamedSubject:
   Exclude:
     - 'spec/lib/etda_utilities_etda_file_paths_spec.rb'
+    - 'spec/lib/etda_utilities_hosts_spec.rb'
 
 # Offense count: 9
 # Configuration parameters: Strict, EnforcedStyle.
diff --git a/lib/etda_utilities.rb b/lib/etda_utilities.rb
index 2aa14ac..7121b9f 100755
--- a/lib/etda_utilities.rb
+++ b/lib/etda_utilities.rb
@@ -7,4 +7,5 @@ module EtdaUtilities
   require 'etda_utilities/partner'
   require 'etda_utilities/access_level'
   require 'etda_utilities/etda_file_paths'
+  require 'etda_utilities/hosts'
 end
diff --git a/lib/etda_utilities/hosts.rb b/lib/etda_utilities/hosts.rb
new file mode 100755
index 0000000..c75f3ef
--- /dev/null
+++ b/lib/etda_utilities/hosts.rb
@@ -0,0 +1,43 @@
+# frozen_string_literal: true
+
+module EtdaUtilities
+  class Hosts
+    def workflow_submit_host(partner, environment = 'prod')
+      host_builder(partner, environment, true)
+    end
+
+    def explore_host(partner, environment = 'prod')
+      host_builder(partner, environment, false)
+    end
+
+    private
+
+      def host_builder(partner, environment, is_workflow)
+        return nil if partner.nil?
+        return 'localhost' if environment == 'development'
+        location_environment = "#{host_application(is_workflow)}-#{environment}" if environment != 'prod'
+        "#{host_prefix(is_workflow)}#{partner_host(partner)}#{location_environment}.libraries.psu.edu"
+      end
+
+      def host_prefix(is_workflow = false)
+        return '' unless is_workflow
+        'submit-'
+      end
+
+      def host_application(is_workflow = false)
+        return '' if is_workflow
+        '-explore'
+      end
+
+      def partner_host(partner)
+        case partner
+        when 'graduate'
+          "etda"
+        when 'honors'
+          "honors"
+        when 'milsch'
+          "millennium-scholars"
+        end
+      end
+  end
+end
diff --git a/spec/lib/etda_utilities_hosts_spec.rb b/spec/lib/etda_utilities_hosts_spec.rb
new file mode 100755
index 0000000..19bb969
--- /dev/null
+++ b/spec/lib/etda_utilities_hosts_spec.rb
@@ -0,0 +1,53 @@
+# frozen_string_literal: true
+
+RSpec.describe EtdaUtilities::Hosts, type: :model do
+  describe 'Hosts' do
+    describe '#workflow_submit_host' do
+      it 'returns the correct production host for workflow graduate' do
+        expect(subject.workflow_submit_host('graduate')).to eq('submit-etda.libraries.psu.edu')
+      end
+      it 'returns the correct production host for workflow honors' do
+        expect(subject.workflow_submit_host('honors')).to eq('submit-honors.libraries.psu.edu')
+      end
+      it 'returns the correct production host for workflow millennium scholars' do
+        expect(subject.workflow_submit_host('milsch')).to eq('submit-millennium-scholars.libraries.psu.edu')
+      end
+      it 'returns the correct QA host for workflow graduate' do
+        expect(subject.workflow_submit_host('graduate', 'qa')).to eq('submit-etda-qa.libraries.psu.edu')
+      end
+      it 'returns the correct QA host for workflow honors' do
+        expect(subject.workflow_submit_host('honors', 'qa')).to eq('submit-honors-qa.libraries.psu.edu')
+      end
+      it 'returns the correct QA host for workflow millennium scholars' do
+        expect(subject.workflow_submit_host('milsch', 'qa')).to eq('submit-millennium-scholars-qa.libraries.psu.edu')
+      end
+      it 'returns the correct host for workflow if environment is development' do
+        expect(subject.workflow_submit_host('graduate', 'development')).to eq('localhost')
+      end
+    end
+
+    describe '#explore_host' do
+      it 'returns the correct production host for explore graduate' do
+        expect(subject.explore_host('graduate')).to eq('etda.libraries.psu.edu')
+      end
+      it 'returns the correct production host for explore honors' do
+        expect(subject.explore_host('honors')).to eq('honors.libraries.psu.edu')
+      end
+      it 'returns the correct production host for explore millennium scholars' do
+        expect(subject.explore_host('milsch')).to eq('millennium-scholars.libraries.psu.edu')
+      end
+      it 'returns the correct QA host for explore graduate' do
+        expect(subject.explore_host('graduate', 'qa')).to eq('etda-explore-qa.libraries.psu.edu')
+      end
+      it 'returns the correct QA host for explore honors' do
+        expect(subject.explore_host('honors', 'qa')).to eq('honors-explore-qa.libraries.psu.edu')
+      end
+      it 'returns the correct QA host for explore millennium scholars' do
+        expect(subject.explore_host('milsch', 'qa')).to eq('millennium-scholars-explore-qa.libraries.psu.edu')
+      end
+      it 'returns the correct host for explore if environment is development' do
+        expect(subject.explore_host('graduate', 'development')).to eq('localhost')
+      end
+    end
+  end
+end