The ever-increasing complexity of modern freight logistics and global supply chain management heightens the importance of securing and tracking merchandise not only in warehouses, but from origination to destination. The visibility of cargo during transport and ensuring the integrity of shipments upon delivery is essential to every company. As a leading manufacturer and distributor of best-in-class tamper-evident seals and security devices, CSS is uniquely positioned to work with businesses who demand effective solutions to the unique challenges they face in protecting and ensuring the integrity of their products and shipments.

Our goal at CSS is to provide each individual company with the very best solution to meet its particular security requirements to prevent tampering, diversion, and any other type of unauthorized activity. We offer a wide variety of tamper-evident, high-security, electronic, RFID, and GPS-based security solutions, including the world’s foremost tracking and monitoring products and services from our industry partners, ShadowTrack247 and Starcom Systems.

Whatever your specific requirement, from reusable electronic security seals to vehicle and asset tracking devices and monitoring services, our team of industry professionals will work hand-in-hand with you to identify the most effective and comprehensive solution.


CSS offers a variety of user-friendly state-of-the-art devices which utilize GPS technology to provide continuous visibility throughout the shipping and storage processes. Companies can customize the easy-to-use software to track locations and receive specific event notifications and alerts, or can utilize our third-party monitoring services for enhanced around-the-clock security.

  • ShadowTrack24/7 IQ GPS Tracking Lock
  • Tetis Electronic GPS Tracking Device
  • Tetis R Electronic GPS Tracking Device (Refrigerated)
  • Lokies Electronic GPS Keyless Tracking Security Lock

Fleet Tracking

Companies with fleets of all sizes can readily track each and every vehicle by utilizing CSS fleet tracking devices. Each unit is compact, durable, and easy to install, making it the perfect flexible solution for frequent shippers. As an added bonus, CSS offers simple and cost-effective solutions for companies to ship the devices back to the home office or any other location once they have successfully reached their destination.

  • ShadowTrack24/7 GV50M GPS Electronic Tracking Device
  • Helios Electronic GPS Vehicle Tracking Device

Pallet & Asset Tracking

From freight yards to warehouses and distribution centers, businesses are increasingly recognizing the importance of tracking and monitoring merchandise and other valuable assets. CSS’s experienced professionals will work with you to design a customized plan and select the appropriate devices and software or services to meet your exact requirements and specifications.

  • ShadowTrack24/7 Solo Electronic GPS Tracking Device
  • Kylos Forever Electronic GPS Asset Tracking Device

Electronic Security Seals

A longtime industry standard and reliable source of tamper-evident security and supply chain integrity, CSS's line of electronic security seals are designed to replace the traditional single use security seals while providing an easily accessible audit trail for truck fleet owners and their customers. Each sealing event generates a random and unique identifying code that is used to ensure the detection of any unauthorized access. These unique devices are permanently affixed to the door of each vehicle or container within the fleet, and carry an estimated 5 year lifespan, eliminating the need to continuously purchase, store, and distribute seals throughout the supply chain.

  • Electronic Security Seal - MANTA
  • Electronic Security Seal – C2K
  • Noke – Electronic Keyless Security Lock

Individualized pricing and expertise

Are you seeking assistance with to purchase security seals? Do you need assurances that you are complying with regulations or internal systems and processes? Would you appreciate a friendly and knowledgeable expert clearly explaining the various security products, options, and pricing? CSS market professionals are eager to help you every step of the way. Our mission is to provide unparalleled service and satisfaction to our customers, and we invite you to discover for yourself why CSS is America’s friendliest seals company.

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Why Choose CSS

American Made

Best in Class Quality

Superior Customer Service

Fast and friendly, always willing to help

Fast Delivery

Never miss a beat

Compact Packaging

Reduces shipping costs

Cost Savings

Impacts your bottom line

More Customization Options

Use our builder for easy-building

HPT Seals
$0.44 × 1,000
Metal Seals
$40.00 × 1