Mission-Critical Sealing Solutions for Defense & Space

Engineered for extreme performance, reliability, and compliance in the most demanding aerospace and defense environments.

Certified. 
Trusted. 
Mission-Ready.

Seal Company supports defense and space programs with engineered sealing solutions that meet rigorous military, flight-qualified, and space-grade specifications. We understand the stakes of mission-critical performance, which is why we’re trusted by top-tier OEMs and government contractors.

  • SAE AS9100D & ISO 9001:2015 Certified
  • ITAR Registered & GIDEP Member
  • UL® Certified Repackager
  • CMMC 2.0 (in process) & NIST SP 800-171
  • FAA Design House & Prime Contractor
  • Registered with the Missile Defense Agency (MDA)
  • HubZone Certified

High-Performance Components for Air, Land, Sea, and Space

Aerospace Seals & Gaskets – Flight-rated elastomers and specialty materials for engines, actuators, and avionics.

Defense Vehicle Components – Rugged, impact- and vibration-resistant seals for land and marine systems.

Missile & Space Systems – Ultra-high-performance seals for propulsion, launch, and orbital stability

EMI/RFI Shielding – Spira and other shielding products to protect sensitive electronics.

Seal Kits for Field Maintenance – Kitted and packaged to MIL-SPEC and customer standards.

Materials Qualified for Extreme Conditions

Silicone & Fluorosilicone (FVMQ) – Excellent for aerospace temperature extremes

FFKM & FKM (e.g., Kalrez®, Viton®) – High resistance to fuels, oils, and oxidizers

EPDM & HNBR – Performance in vibration-heavy, outdoor environments

Metallics – Custom-cut shims and shields in copper, aluminum, brass, and stainless steel

Fish Paper, EMI Materials & Cloth-Inserted Rubber – Electrical isolation and insulation

And More…

Supporting Critical Missions Worldwide

Our components are often found in systems where safety, consistency, and durability are non-negotiable. With a deep understanding of both legacy platforms and emerging technologies, we provide sealing solutions that ensure mission success from design through deployment. From rugged tactical vehicles to advanced space launch systems, our products are engineered to meet stringent performance standards.

Seal Company proudly supports:

  • Prime DoD Contractors & Subcontractors
  • Aerospace & Satellite OEMs
  • Military Ground Vehicle Programs
  • Space Launch & Propulsion Teams
  • Defense Maintenance & Repair Organizations (MROs)

Engineered with Care.

Built to Withstand.

From prototype to flight hardware, our vertically integrated manufacturing operation enables us to meet tight tolerances, traceability, and accelerated timelines. Whether for custom molded o-rings or complex gasket assemblies, we build to spec with confidence. Our engineers collaborate closely with defense customers to ensure compliance with program-specific requirements. We also support qualification and documentation needs, including FAI, traceability, and material cert packages.

Our Capabilities Include:

  • CNC Knife & Router
  • Laser Cutting & Precision Die Cutting
  • Vulcanized & Molded O-Rings
  • Lathe & Mill Operations
  • CAD/CAM & 3D Scanning
  • Clicker Press Die Cutting

Our Services Include:

  • Custom Packaging & Labeling to MIL-SPEC
  • Color Coding, Kitting & Barcoding
  • Inventory Management (Kanban, VMI, JIT)

When It Has to Be Right, Trust Seal Company

Seal Company delivered high-temp fluorosilicone gaskets with full traceability in record time, helping us stay on schedule for a satellite subsystem launch.
Government Contractor
Procurement Manager

Seal Company is a certified HubZone business, recognized by the U.S. Small Business Administration. This certification reflects our commitment to empowering underutilized communities while providing high-performance products to the defense and space sectors. Working with a HubZone supplier like Seal Company helps government contractors and agencies meet their small business and socioeconomic contracting goals while maintaining the highest standards of quality and reliability.

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Please note our offices will be closed on ​​Monday, May 26th in observance of Memorial Day. We will resume normal business hours on Tuesday, May 27th. Thank you for your understanding.
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