| 6sense | Sales intelligence platform | — | Sales |
| ACI | Carrier | US | |
| Adobe Marketo Engage | Marketing Attribution Software | — | Marketing & Advertising |
| AfterShip | Carrier | US | |
| Amazon | Carrier | — | |
| Amazon Shipping UK | Carrier | UK | |
| APG | Carrier | — | |
| Australia Post | Carrier | AU | |
| Azure DevOps | — | US | |
| Better Trucks | Carrier | US | |
| Blue Yonder, Inc. (Previously Optoro) | Warehouse returns processing | — | |
| Canada Post | Carrier | CA | |
| Check Point (Avanan) | Email Security | US | Security & Identity |
| Chorus | Webcasting and Conference Calling | US | Engineering |
| C.H. Robinson | Transportation Management System | — | |
| CIRRO | Carrier | US | |
| Clay | Sales data enrichment | — | Sales |
| Cloudflare | Web Application Firewall | US | Security & Identity |
| Couriers Please | Carrier | AU | |
| Cvent | Marketing/events platform | — | Marketing & Advertising |
| DAI Post | Carrier | AU | |
| Decagon AI | Customer support AI chatbot | US | AI & Machine Learning |
| Deutsche Post | Carrier | — | |
| DHL eCommerce | Carrier | US | |
| Docusign | Contract Administration and Signature Tool | US | |
| DocuSmart, Inc. d/b/a Lexion | Contract Management Platform | US | Legal & Compliance |
| DPD Group UK | Carrier | UK | |
| DropBox Sign | Contract Administration and Signature Tool | US | |
| EasyPost | Address Validation and Carrier Label Purchasing | US | |
| Evri | Carrier | UK, NL | |
| FedEx | Carrier | — | |
| FlavorCloud | Cross border commerce services | US | |
| G3 Worldwide Mail (UK) Ltd DBA Spring Global Delivery Solutions | Carrier | — | |
| Global-E | Cross-Border Shipments | UK-EU | |
| GLS | Carrier | — | |
| Gong | Sales and outreach | — | Sales |
| HubSpot | Marketing | US | Marketing & Advertising |
| Intercom | Chat Based Support System | US | Customer Support |
| Jira | — | US | |
| Mailgun | Transactional Email | US | Communication |
| Microsoft Azure | Application Services, Infrastructure, and Storage | US | Cloud Infrastructure |
| MongoDB | Database | US | |
| Office 365 | — | — | |
| Ontrac | Carrier | US | |
| Open Border | Carrier | US | |
| Orderful | Supply Chain Management | US | Business Operations |
| OSM Worldwide | Carrier | US | |
| Pandium | Integration developer | — | Engineering |
| Passport | Carrier | US, CA, UK | |
| Pendo | Product analytics platform | — | Analytics & Monitoring |
| Persona Identities | Know Your Customer (KYC) platform | — | |
| Prox | Claims Processing | — | |
| Retool | IT | — | |
| Returnless | Returns solution | EU | |
| Royal Mail | Carrier | UK | |
| SalesForce | CRM/Customer Support | US | Customer Support |
| Seamless Contacts | Sales data enrichment | — | Sales |
| Seismic | Sales Enablement | US | Sales |
| SendCloud | Address Validation and Carrier Label Purchasing | Germany | |
| SendGrid | Transactional Email | US | Communication |
| SHIPPIT | Address Validation and Carrier Label Purchasing | AU | |
| Shippo | Address validation and carrier label processing | US | |
| Slack | Internal Messaging | — | Communication |
| Slope | Powers ShipBob Capital | — | |
| StackAdapt | Marketing platform | — | Marketing & Advertising |
| Stripe | Payment processor | — | Security & Identity |
| SVIX | Webhook platform | — | Automation & Integration |
| Tableau | Visual analytics platform | US | Analytics & Monitoring |
| TForce Logistics | Carrier | CA | |
| The Despatch Company | Integration developer | — | Engineering |
| Uber Freight | Transportation Management System (TMS) | US | |
| UniUni | Carrier | — | |
| UPS | Carrier | US | |
| USPS | Carrier | US | |
| Validity | Customer Data Quality Control | US | Data Processing & Storage |
| Veho | Carrier | US | |
| Vonage | VOIP Provider | US | Communication |