diff --git a/app/views/donations/_donation_form.html.erb b/app/views/donations/_donation_form.html.erb
index 977ef7319c..4c1bddf0e5 100644
--- a/app/views/donations/_donation_form.html.erb
+++ b/app/views/donations/_donation_form.html.erb
@@ -41,7 +41,7 @@
                           collection: @product_drive_participants,
                           selected: donation_form.product_drive_participant_id,
                           include_blank: true,
-                          label_method: lambda { |x| "#{x.try(:business_name) }" },
+                          label_method: lambda { |x| "#{x.try(:business_name).presence || x.try(:contact_name)}" },
                           label: "Product Drive Participant",
                           error: "Which product drive participant was this from?",
                           wrapper: :input_group %>
diff --git a/app/views/product_drive_participants/create.js.erb b/app/views/product_drive_participants/create.js.erb
index 4fb11ddbe1..9f291950f7 100644
--- a/app/views/product_drive_participants/create.js.erb
+++ b/app/views/product_drive_participants/create.js.erb
@@ -2,6 +2,6 @@
 $("#modal_new").modal("hide");
 $("#donation_product_drive_participant_id").empty();
 $("#donation_product_drive_participant_id").
-html('<%= j options_from_collection_for_select(current_organization.product_drive_participants, :id, :business_name) %>');
+html('<%= j options_from_collection_for_select(current_organization.product_drive_participants, :id, lambda { |p| p.business_name.present? ? p.business_name : p.contact_name }) %>');
 $("#donation_product_drive_participant_id").append('<option value="">---Create new Participant---</option>');
 $("#donation_product_drive_participant_id").val('<%= @product_drive_participant[:id] %>');
diff --git a/spec/system/donation_system_spec.rb b/spec/system/donation_system_spec.rb
index e94e8789a7..25a6909e95 100644
--- a/spec/system/donation_system_spec.rb
+++ b/spec/system/donation_system_spec.rb
@@ -161,6 +161,7 @@
         create(:donation_site, organization: organization)
         create(:product_drive, organization: organization)
         create(:product_drive_participant, organization: organization)
+        create(:product_drive_participant, organization: organization, contact_name: "contact without business name", business_name: "")
         create(:manufacturer, organization: organization)
         organization.reload
       end
@@ -248,6 +249,12 @@
           end.to change { Donation.count }.by(1)
         end
 
+        it "Displays ProductDrive Participants sources by business name then contact name" do
+          select Donation::SOURCES[:product_drive], from: "donation_source"
+          select ProductDrive.first.name, from: "donation_product_drive_id"
+          expect(page).to have_select('donation_product_drive_participant_id', with_options: ['contact without business name'])
+        end
+
         it "Allows User to create a Product Drive from donation" do
           select Donation::SOURCES[:product_drive], from: "donation_source"
           select "---Create new Product Drive---", from: "donation_product_drive_id"
@@ -273,9 +280,30 @@
           fill_in "product_drive_participant_email", with: "123@mail.ru"
           fill_in "product_drive_participant_comment", with: "test comment"
           click_on "product-drive-participant-submit"
+          expect(page).to have_select('donation_product_drive_participant_id', with_options: ['businesstest'])
+
           select "businesstest", from: "donation_product_drive_participant_id"
         end
 
+        # seems like a duplicate check but this update happens via JS, so we have to test that code works too
+        it "Renders ProductDrive Participants sources by business name then contact name after creating a participant" do
+          select Donation::SOURCES[:product_drive], from: "donation_source"
+          select "---Create new Participant---", from: "donation_product_drive_participant_id"
+
+          find(".modal-content")
+          expect(page).to have_content("New Product Drive Participant")
+
+          fill_in "product_drive_participant_business_name", with: ""
+          fill_in "product_drive_participant_contact_name", with: "2nd contact without business name"
+          fill_in "product_drive_participant_email", with: "1233@mail.ru"
+          fill_in "product_drive_participant_comment", with: "test comment"
+          click_on "product-drive-participant-submit"
+
+          select ProductDrive.first.name, from: "donation_product_drive_id"
+          # note that I'm not explicitly testing the business name here, this is handled in the previous test
+          expect(page).to have_select('donation_product_drive_participant_id', with_options: ['2nd contact without business name'])
+        end
+
         it "Allows User to create a donation for a Manufacturer source" do
           select Donation::SOURCES[:manufacturer], from: "donation_source"
           expect(page).to have_xpath("//select[@id='donation_manufacturer_id']")