What Marsh Industries does

Marsh Industries, Inc. is a custom silicone rubber component manufacturer founded in November 1970 and headquartered at 49680 Leona Drive, Chesterfield, Michigan. The company operates from a single 23,000 square foot facility and produces precision-engineered silicone parts including extrusions, molded products, compounded rubber stock, bonded gaskets, and die-cut components. Its customer base spans the aerospace, automotive, appliance, and lighting industries, all of which require qualified, specification-driven rubber components rather than off-the-shelf parts.

Production capability is built around six extrusion lines, sixteen or more hydraulic presses, three automated injection presses, nine pneumatic bonding presses, and three die-cutting presses, supplemented by electrical discharge machining (EDM) capability and in-house mixing and milling. Marsh maintains a library of more than 600 standard compound formulations and supports custom compounding to customer specifications, allowing it to tailor mechanical, thermal, and chemical properties to end-use requirements. This combination of in-house compounding, multi-process forming, and secondary finishing enables it to deliver bespoke silicone solutions rather than catalogue commodities.

Marsh Industries runs a business-to-business, quote-based revenue model in which orders originate as customer requests for quotation (RFQ). The company sells primarily to domestic U.S. industrial customers across multiple end-markets with custom specifications, indicating a project- and specification-driven revenue profile rather than a recurring high-volume contract structure. It is privately held with reported headcount in the 11-50 range, and there is no public disclosure of fundraising, M&A, international operations, or financial results in the available data.

Name

Marsh Industries

Legal name

Marsh Industries, Inc.

Website

https://marshindustries.com

Company type

Private

Founded year

1970

Operating status

Operating

Headcount range

11–50 employees

Short description

Mash Industries, Inc. is a custom silicone rubber component manufacturer founded in 1970 in Chesterfield, Michigan. It serves aerospace, automotive, appliance, and lighting customers with extrusions, molded parts, bonded gaskets, die-cut products, and custom compounding.

Ownership category

akta.pro rank

Product category

Custom Silicone Rubber Components Manufacturing

NAICS

Rubber and Plastics Hoses and Belting Manufacturing (326220), All Other Rubber Product Manufacturing (326299)

SIC

Gaskets, Packg & Sealg Devices & Rubber & Plastics Hose (3050), Fabricated Rubber Products, Nec (3060)

akta.pro primary industry

Industrial Hoses & Tubing (Rubber/Elastomer) (IMANALAA)

akta.pro secondary industry

General-Purpose Rubber Compounds (NR/SBR/BR/EPDM) (IMANAJAA)

Keywords

• Custom silicone extrusions
• Silicone rubber molding
• Industrial gasket manufacturing
• Custom rubber compounding
• Die-cut gaskets

Headquarters

HQ city

Macomb

HQ country

United States

HQ region

North America

Offices2 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Custom Silicone Rubber Components Manufacturing: Project-based custom manufacturing of silicone rubber components including extrusions, molded products, bonded gaskets, die-cut products, and custom compounding. Revenue generated through custom orders with pricing based on specifications, quantities, and complexity.

Pricing tiers

Go-to-market motion1 record

Distribution channels1 record

Marketing channels3 records

Core offering

Marsh Industries is a specialized manufacturer of custom silicone rubber components, producing continuous extrusions, bonded gaskets, injection/compression/transfer moldings, die-cut gaskets, and custom-compounded silicone. Operating from a 23,000+ sq ft facility in Chesterfield, Michigan, the company serves aerospace, automotive, appliance, and lighting OEMs with on-site mixing/milling and 600+ standard compound recipes meeting military, federal, AMS, and SAE specifications.

Product overview

Marsh Industries is a single-company manufacturer offering a portfolio of custom silicone rubber products for extreme environments. The core offerings include Custom Silicone Extrusions (continuous profiles for seals, tubing, and rods), Custom Molded Products (compression, transfer, and injection molding), Custom Compounding (onsite mixing with 600+ recipes meeting military/AMS/SAE specs), Extrusions Bonded Endless (hot vulcanization bonded gaskets and O-rings), and Die Cut Products (precision-cut gaskets). These products serve aerospace, automotive, appliance, and lighting industries with a focus on temperature-resistant silicone components ranging from -90°F to 500°F.

Differentiator

Problem solved

Functional benefit

Products and services

• Custom Silicone Extrusions
• Custom Molded Products Silicone rubber molded products using compression, transfer, and injection molding technologies. Produces gasket seals, O-rings, and other industrial rubber products in various volumes.
• Custom Compounding Onsite silicone rubber mixing and milling capabilities with over 600 standard recipes. Compounds meet military, federal, AMS, and SAE specifications, with color matching available.
• Extrusions Bonded Endless Bonded rings and custom gaskets using hot vulcanization process with nine pneumatic bonding presses. Produces hollow profile seals and spliced gaskets with durable bond strength exceeding conventional bonding.
• Die Cut Products Precision die-cut gaskets using three die-cutting presses for parts requiring two dimensions with standard thickness. Produces washers, high-volume length cut products, and complex configurations.

Segments4 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature7 records

Scale indicators3 records

Recent moves3 records

Expansion highlights2 records

Emerging players

• Specialty Silicone Products: Specialty Silicone Products is a niche manufacturer focused on silicone sheeting, extrusions, and molded parts for medical, aerospace, and industrial customers — a smaller, more specialized peer that intersects with Marsh's high-specification silicone business.

Broad incumbents

• Parker Hannifin (O-Ring & Engineered Seals): Parker's O-Ring & Engineered Seals division manufactures a vast catalog of elastomer seals, gaskets, and molded rubber products for aerospace and industrial use — a broad incumbent addressing the same component categories as Marsh.
• Freudenberg Sealing Technologies: Freudenberg Sealing Technologies produces custom elastomer seals, O-rings, and molded components for automotive and industrial applications globally, competing directly with Marsh in custom rubber sealing solutions but at substantially larger scale.
• Trelleborg Sealing Solutions: Trelleborg is a global leader in polymer and sealing technology, offering a broad portfolio of rubber seals, gaskets, and molded silicone components across aerospace, automotive, and industrial markets — overlapping with Marsh at the high-specification end.

Direct peers

• Rubber Industries (Sherex): Rubber Industries is a custom rubber molder producing elastomer seals, grommets, and molded components for transportation and industrial OEMs — directly comparable in scale and process mix to Marsh Industries.
• Minnesota Rubber and Plastics: Minnesota Rubber and Plastics is a custom manufacturer of precision-molded rubber and plastic components, including silicone compounds, serving medical, industrial, and aerospace customers — closely comparable to Marsh in custom-mixing and molding capabilities.
• Stockwell Elastomerics: Stockwell Elastomerics is a custom manufacturer of silicone rubber components including gaskets, seals, and extrusions serving aerospace, defense, and industrial customers — a direct, like-sized comp to Marsh's product mix and end markets.
• Marco Rubber & Plastics: Marco Rubber & Plastics distributes and custom-sources O-rings, gaskets, and molded elastomer components from a network of manufacturers, competing for the same custom-rubber RFQ flow that Marsh receives directly.
• Daemar Inc. Daemar supplies industrial sealing products including custom rubber gaskets, O-rings, and extruded seals for automotive and industrial customers — directly comparable to Marsh's mid-volume custom gasket business.
• ElastaPro: ElastaPro is a US-based silicone rubber products manufacturer offering sheeting, custom extrusions, and molded parts for industrial and aerospace applications — a similarly sized direct peer to Marsh.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat3 records

Key risks6 records

Key highlights6 records

Customer concentration

• LinkedInlinkedin.com/company/marshindustries

Compliance4 records

Revenue estimate

Valuation estimate

Number of profiles

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 Marsh Industries