Robinson Rubber Products

What Robinson Rubber Products does

Robinson Rubber Products Company, Inc. is a privately held custom manufacturer of elastomer and thermoplastic components, founded in 1938 in Minneapolis, Minnesota, and currently owned by CEO Pete Wolf, who acquired the company in 2022. The firm designs, develops, and manufactures custom molded rubber, liquid silicone rubber (LSR), and thermoplastic components for OEMs and industrial customers across at least twelve verticals, with primary exposure in aerospace and defense, medical devices, automotive, food and beverage, electronics, and agricultural equipment, and secondary exposure in construction and mining, energy and utilities, transportation, renewable energy, industrial equipment, and marine. Its core capabilities span compression, injection, and transfer molding; rubber-to-substrate bonding via insert and over molding (claimed to represent 70%+ of production with virtually zero returns); custom rubber extrusion; and precision LSR molding, supported by an in-house compound formulation library of more than 2,000 unique formulations across 20+ engineering-grade polymers.

The company operates a vertically integrated service model covering design assistance, custom material formulation, prototyping (5–25 working days), part testing, production, multi-material assembly, and tailored packaging. Pricing is entirely quote-based with no public tiers; customers engage directly through inbound quote requests, phone, and email consultation with engineering and sales teams. Robinson Rubber is ISO 9001:2015 certified, and named customer references include General Motors (recipient of GM's 2015 Supplier Quality Excellence Award), the U.S. Air Force (36th Airlift Squadron and 374th Logistics Readiness Squadron at Yokota Air Base, Japan), an RV generator manufacturer, an agricultural spraying equipment OEM (15+ years zero field failures on custom pinch valves), and a paint spray gun manufacturer. The company employs approximately 125 individuals and operates from an 85,000-square-foot manufacturing footprint acquired and expanded under current ownership.

Revenue is generated project-by-project from B2B customers with no public pricing, no disclosed financials, and no institutional investors or parent company. CEO Pete Wolf holds five U.S. patents for medical devices and materials, and General Manager Jeff Gust joined in 2022 with 30+ years of medical device contract manufacturing experience, signaling a strategic emphasis on higher-mix regulated end markets. The firm is privately held under the legal name Robinson Rubber Products Company, Inc., with DBA names including Robinson Rubber and RRP, and was previously known as Robinson Rubber Auto Supply Company.

Name

Robinson Rubber Products

Legal name

Robinson Rubber Products Company, Inc.

Website

https://robinsonrubber.com

Company type

Private

Founded year

1938

Operating status

Operating

Headcount range

51–100 employees

Short description

Robinson Rubber Products is a Minneapolis-based custom manufacturer of molded elastomer, LSR, and thermoplastic components, serving aerospace, medical, automotive, food & beverage, electronics, and industrial OEMs with in-house compound formulation, bonding, and assembly since 1938.

Ownership category

akta.pro rank

Product category

Custom Rubber and Elastomer Manufacturing

NAICS

Rubber Product Manufacturing for Mechanical Use (326291), All Other Plastics Product Manufacturing (326199)

SIC

Fabricated Rubber Products, Nec (3060)

akta.pro primary industry

Molded & Extruded Industrial Rubber Parts (Custom Components) (IMANALAG)

akta.pro secondary industry

Food-Grade, Medical & Cleanroom Rubber Compounds (IMANAJAH)

Keywords

• Custom rubber molding
• Elastomer components
• Liquid silicone rubber
• Rubber-to-metal bonding
• Thermoplastic molding

Headquarters

HQ city

Minneapolis

HQ country

United States

HQ region

North America

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Supply Chain, Personnel, Operations, Technology or R&D, Infrastructure, Marketing or Sales

Revenue model

1. Custom Rubber Molding Manufacturing: Robinson Rubber generates revenue through custom manufacturing of elastomer and thermoplastic components. The company provides end-to-end services including design assistance, material formulation, prototyping, production, assembly, and packaging. Revenue is project-based, generated from OEM and industrial customers requiring custom molded parts for specific applications.
2. Custom Rubber Extrusions: Revenue from precision-engineered extruded rubber profiles including tubing, seals, bumpers, and custom shapes for prototype and high-volume production applications.
3. Assembly and Packaging Services: Value-add services including component assembly, kitting, and customized packaging solutions (individual part packaging, layer packaging, Kan-Ban quantities, bulk packaging) bundled with manufactured components.

Pricing tiers

Go-to-market motion1 record

Distribution channels3 records

Marketing channels6 records

Core offering

Robinson Rubber Products is an ISO 9001:2015 certified custom molding manufacturer of elastomer and thermoplastic components and assemblies for OEM and industrial customers. The company designs, develops, and produces custom rubber molded parts using compression, injection, transfer, and liquid silicone rubber (LSR) molding, plus rubber extrusion and insert/over molding for rubber-to-substrate bonding. Services span design assistance, custom compound formulation from a library of 2,000+ formulations, prototyping, production, assembly, and packaging.

Product overview

Robinson Rubber Products is a custom rubber and thermoplastic components manufacturer offering a comprehensive portfolio of services centered around custom rubber molding and related value-added solutions. The core offerings include Custom Rubber Molding (compression, injection, and transfer processes), Liquid Silicone Rubber (LSR) molding, and Thermoplastics (TPE, TPU, Santoprene). These manufacturing capabilities are complemented by Insert & Over Molding services for rubber-to-substrate bonding and Rubber Extruding for custom profile production. The company provides supporting services including Assembly (combining rubber, plastic, and metal components) and Packaging. With over 2,000 compound formulations and 20+ polymer families, the company specializes in custom material development and formulation. The portfolio serves diverse industries including aerospace, medical devices, automotive, food & beverage, electronics, energy, and industrial equipment.

Differentiator

Problem solved

Functional benefit

Products and services

• Custom Rubber Molding Custom rubber molding services spanning prototype development to high-volume production, utilizing compression, injection, and transfer molding processes with access to over 2,000 compound formulations for OEMs and industrial customers.
• Liquid Silicone Rubber (LSR) Molding Precision liquid silicone rubber injection molding offering high biocompatibility, temperature resistance, and intricate design capabilities for medical, automotive, electronics, and consumer goods applications.
• Thermoplastics (TPE, TPU, Santoprene) High-performance polymer solutions including thermoplastics, elastomeric plastics, thermoplastic polyurethane (TPU), thermoplastic elastomers (TPE), and Santoprene for applications requiring abrasion resistance, chemical resistance, and weather durability.
• Insert & Over Molding Advanced rubber-to-substrate bonding services that bond rubber to metals (steel, brass, aluminum, stainless steel) and plastics (nylon, PEEK, PTFE) through insert molding and over molding processes for complex multi-material assemblies.
• Rubber Extruding Custom rubber extrusion services producing continuous profiles in various shapes and lengths, from prototype tubing to high-volume production of seals, gaskets, bumpers, and custom extruded profiles.
• Assembly Services Component assembly services ranging from simple insertions to complex multi-material assemblies (rubber, plastic, metal), delivered as packaged and ready-for-installation finished products.
• Packaging Services Tailored packaging solutions including individual part packaging, layer packaging, Kan-Ban quantities, and bulk packaging for wholesale and retail distribution.
• Periflex EPDM Tubing Specialized EPDM tubing designed for peristaltic pump applications, featuring high flex life, chemical resistance, and tested to withstand up to 1,000 hours of continuous flexing without loss of integrity.

Quantifiable outcome

• Durability increased from 10,000 to 3,000,000 cycles (300x improvement) on agricultural pinch valves with zero field failures over 15+ years
• +5 more outcomes

Named customers5 records

Segments12 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature6 records

Scale indicators7 records

Recent moves8 records

Expansion highlights4 records

Broad incumbents

• Parker Hannifin: Global motion and control technologies leader with a substantial sealing and elastomer group (O-Rings, custom molded shapes). Broad incumbent serving the same industrial, aerospace, and automotive OEM base as Robinson, but at significantly greater scale and product breadth.
• Greene Tweed: Specialty engineered elastomers and seals manufacturer serving aerospace, semiconductor, oil & gas, and medical OEMs. Comparable to Robinson in proprietary compound development and high-spec sealing applications, but with broader material portfolio and larger installed base.
• Freudenberg Sealing Technologies: Global supplier of sealing solutions and custom-molded elastomer components for automotive, industrial, food, and pharmaceutical customers. Competes with Robinson in custom molded rubber assemblies, particularly for automotive and industrial OEMs.
• Continental ContiTech: Industrial rubber and elastomer products business of Continental, producing molded rubber components, hoses, and vibration-control parts for automotive and industrial OEMs. Competes with Robinson in custom-molded elastomer assemblies and industrial sealing applications.
• Trelleborg Sealing Solutions: Global engineered polymer and sealing solutions provider with deep presence in custom-molded elastomer components for aerospace, automotive, medical, and industrial OEMs. A large-incumbent comparator offering overlapping capabilities but at global scale across many more product lines.
• Saint-Gobain Seals: Division of Saint-Gobain producing high-performance sealing and engineered polymer components for aerospace, automotive, energy, and industrial markets. Comparable engineered elastomer capability and serves overlapping OEM customers with a much larger global footprint.

Direct peers

• Daemar Inc. Manufacturer and distributor of industrial sealing products including custom-molded rubber components and seals. Overlaps with Robinson in mechanical-use rubber parts for industrial and equipment OEM customers.
• Lauren Manufacturing: Custom rubber and plastics manufacturer producing extruded, molded, and fabricated components for industrial, automotive, and aerospace customers. Comparable to Robinson in custom compounds, multi-process molding, and engineered sealing parts.
• Minnesota Rubber & Plastics: Custom rubber and thermoplastic molder based in Minneapolis offering molded and extruded components to industrial and medical OEMs. Closest direct competitor to Robinson Rubber by geography, size, and capability mix (compounding, molding, bonding, assembly).
• Precision Polymer Technologies: Specialty custom rubber molding and compound development firm serving OEMs with molded seals, gaskets, and engineered elastomer components. Comparable custom compound and molding capability targeting similar industrial and regulated end markets.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• Facebookfacebook.com/RobinsonRubberProducts
• LinkedInlinkedin.com/company/robinson-rubber-products-company
• Xx.com/RobinsonRubber

Revenue estimate

Valuation estimate

Number of profiles

Profiles2 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Robinson Rubber Products