When choosing cluster mailboxes, there are many options out there. However, Florence Corporation leads in several key areas that impact security, durability, compliance, and overall value — which is why they are Mailbox Directs‘ go-to supplier when building custom cluster mailbox solutions for our customers.
| Florence Corporation ✅ | Others ❌ | |
| Official USPS supplier | ✅ Yes | ❌ No |
| Superior build quality | ✅ Yes | ❌ Moderate |
| Integrated parcel security | ✅ Standard | ❌ Add-on |
| USPS future compliance | ✅ Fully compliant | ❌ Varies |
| Design flexibility | ✅ Modular + aesthetic | ❌ Less modular |
1. Official USPS supplier vs. USPS approval
Florence: The sole USPS supplier
Florence Corporation is the only mailbox manufacturer officially licensed and supplied by the United States Postal Service (USPS) for centralized delivery systems. This exclusive relationship ensures Florence mailboxes are the reference standard for all new USPS installations.
Others: USPS approved, not licensed
While other mailbox suppliers are USPS approved, they are not the official USPS supplier, meaning their designs mimic the standards but are not developed in direct coordination with USPS specifications.
✅ Advantage: Florence
2. Build quality and materials
Florence: Heavy-gauge, vandal-resistant design
Florence mailboxes use heavy-gauge aluminum, stainless steel hardware, and reinforced construction. They are built to withstand harsh weather, tampering, and daily use with minimal wear.
Others: Lighter construction
Other mailboxes are solid, but users often report that the construction is not as rugged, especially in high-traffic or high-vandalism environments.
✅ Advantage: Florence
3. Security and parcel handling
Florence: Integrated security and parcel lockers
Florence units feature high-security cam locks, anti-pry doors, and come standard with integrated parcel lockers in each cluster box (CBU). This makes package theft much less likely and accommodates growing parcel volume.
Others: Variable features
While other suppliers also offers locking compartments and parcel lockers, they may not be standard in every unit and may require additional purchases or customization.
✅ Advantage: Florence
4. Design and customization options
Florence: Modular and aesthetic flexibility
Florence offers custom finishes, engraving, modular configurations, and a variety of mounting options. Their powder-coated finishes are USPS-endorsed and resistant to chipping and fading.
Others: Good range but less modularity
Other suppliers have several models and color options, but their units are less modular and may not integrate as seamlessly with architectural layouts or USPS routing standards.
✅ Advantage: Florence
5. Warranty and customer support
Florence: Stronger long-term support
Florence offers comprehensive warranty coverage and benefits from USPS’s backing. Their customer service is geared toward long-term relationships with builders, developers, and government agencies.
Others: Competitive support, less USPS integration
Other suppliers also provide support and warranty, but issues may take longer to resolve, especially if they involve USPS compliance or installation errors.
✅ Advantage: Florence
6. Compliance and longevity
Florence: Fully F-series compliant and USPS future-proof
All Florence CBUs meet or exceed USPS F-series standards, meaning they are built to support current and future USPS delivery protocols without needing retrofitting.
Others: F-compliant, but not always future-proof
Other suppliers compliance varies by product line, and not all units may meet evolving USPS requirements without customization.
✅ Advantage: Florence
Final verdict: Florence Corporation leads in key areas
If you’re selecting a mailbox solution that delivers long-term reliability, postal compliance, and security, Florence Corporation is the clear winner. The official USPS partnership, superior materials, and turnkey design make Florence the preferred brand for developers and municipalities alike.
Have questions? We’re here to help.
The Mailbox Directs team is always available to assist with your mailbox project. Let us help you build a cluster mailbox solution for your neighborhood or building complex.