Components, Assemblies & Turnkey Solutions
3,600+ Materials Ready for Your Custom Needs.
Product Types
Material Capabilities
Provide your exact specifications, or define them together with our team. Contact us to speak with a custom solutions expert.
Our Custom Sealing Process
Our Five-Step Process Delivers Reliable, Cost-Effective Solutions.
STEP 1
CONSULT
An in-depth consultation and discovery to help us get to the root of your applications challenges.
STEP 2
IDENTIFY
We put our expertise and technology to work for you to understand your unique situation and sealing needs.
STEP 3
ENGINEER
After determining what is causing the problem, we engineer your custom molded rubber solution.
STEP 4
TEST
We use technology and physical production to test the seal in your applications settings.
STEP 5
IMPLEMENT
Once the solution has been thoroughly tested, we implement and offer post-market support.
Innovation in Action
Precision Components - Built to Spec and Built to Perform.
“We don’t just sell parts. We solve problems."
Chad Smith
Chief Executive Officer
Why Partner with Marco for Custom Sealing Solutions?
Sealing Done Right. From Design to Delivery, Installation to Operation.
Decades of Experience
Industry leader in custom components, backed by unmatched materials and application expertise since 1980.
Application Expertise
Unmatched knowledge across materials, designs, and industries.
Global Sourcing Network
Flexible, reliable procurement with cost and lead time advantages.
3,600+ Proprietary Rubber Compounds
Extensive material options for high-performance sealing.
7,000+ Stocked SKUs
Inventory programs available on demand.
Custom Tooling Capabilities
Any component, servicing all end markets.
Full Lifecycle Support
From consultation to prototype to production and post-launch refinement.
Speed to Market
Rapid tooling and manufacturing to keep your timelines on track.
Cost Advantage
Strategic sourcing and market insight ensure reliable pricing without compromise
Industries We Serve
Trusted Across Highly Regulated and Mission-Critical Markets.
Case Studies
Real Examples. Proven Results.
Case Study
Precision at 60,000 PSI
A custom high-pressure seal for water jet cutting equipment, delivering flawless 60,000 psi performance, durability, and reliability in extreme reciprocating conditions.
Case Study
Defying Heat at 600°F
Engineering a spring-energized PTFE seal for 600°F and 1,000 psi, delivering reliable performance, superior durability, and tight sealing.
Case Study
Rapid Scaling For Complex Production
Streamlining production of metal over-molded multi-cable locks, enhancing safety, reliability, and throughput—earning approval for 15 SKUs in ABB’s Supplier Database.
Check out our blog for additional articles and case studies.
Value-Added Services
More Than a Parts Supplier - A Full-Service Partner.
Let's Solve Your Sealing Challenge Together
Partner with a team that delivers precision, performance, and peace of mind — in every custom component.
The Marco Advantage
Conversations on Innovation, Service & Expertise.
VIDEO
One-Stop Shop for Sealing & Assembly
“From O-rings, dye-stamped gaskets, and spliced cord, all the way to that completely custom solution.”
VIDEO
Global Network & Inventory Programs
“Sourcing is a big strength of Marco’s and we’ve got a global network of suppliers.”
VIDEO
Value-Added Services
“Our job is to do whatever we can within means for our customers.”
Check out our YouTube channel for additional videos and resources
Marco Rubber & Plastics is an industry leader in custom sealing solutions that go beyond the limits of catalog commodities. Since 1980, our solutions have delivered reliable, long-lasting success for customers worldwide. We offer the largest inventory of specialty and standard sealing solutions backed by best-in-class technology, service and support.
