Constant Contact Doesn't Show

Hustle's sales page shows Constant Contact as an option. There are files in the plugin for Constant Contact. But, I'm not seeing the option to select Constant Contact.

<select data-silent="true" data-attribute="optin_provider" name="optin_new_provider_name" id="optin_new_provider_name" class="wpmuiSelect select2-hidden-accessible" data-nonce="9cf2a1a5ab" tabindex="-1" aria-hidden="true">

											<option value="">Choose email provider</option>

												<option value="aweber">AWeber</option>

												<option value="activecampaign">ActiveCampaign</option>

												<option value="campaignmonitor">Campaignmonitor</option>

												<option value="mailchimp">MailChimp</option>

												<option value="convertkit">ConvertKit</option>

												<option value="getresponse">GetResponse</option>

												<option value="sendy">Sendy</option>

												<option value="mad_mimi">Mad Mimi</option>

												<option value="mautic">Mautic</option>

												<option value="infusionsoft">Infusionsoft</option>

												<option value="sendinblue">SendinBlue</option>

										</select>