What Spira Manufacturing does

Spira Manufacturing is a specialty industrial company focused on the innovation, design, and customer service of EMI (electromagnetic interference) gaskets, which are shielding components used to prevent electromagnetic disruption in electronic enclosures and systems. Founded in 1978 and headquartered in San Fernando, California, the company has operated for approximately 47 years with a workforce of 51-100 employees, indicating an established mid-sized specialty manufacturer rather than an emerging venture. Its core technology centers on EMI shielding solutions, a niche segment within the broader electromagnetic compatibility (EMC) and electronic protection components market, serving customers who require reliable interference mitigation in sensitive electronic applications.

Spira's business model is rooted in specialty component manufacturing, serving customers who integrate EMI gaskets into larger electronic and electromechanical systems. Its acquisition by Arxis — a defense and aerospace electronics manufacturer founded in 2019 — placed Spira within a broader strategic operating platform of 32 portfolio companies, repositioning the company within the defense and aerospace electronics supply chain. No pricing model, customer segment breakdown, revenue mechanics, or product line details are disclosed in available sources, and the company's website currently displays only a verification/loading page, limiting further visibility into commercial operations.

The company's strategic significance derives from its specialized EMI gasket expertise combined with its placement within Arxis's defense/aerospace electronics ecosystem. As a wholly-owned subsidiary of Arxis alongside other acquisitions such as Oldham Seals Group and Kaman Corporation, Spira operates as one component of a roll-up platform strategy. Detailed operational metrics, customer relationships, certifications, and product specifications are not publicly documented, constraining deeper analysis of competitive positioning and financial performance.

Name

Spira Manufacturing

Website

https://spira-emi.com

Company type

Private

Founded year

1978

Operating status

Acquired

Headcount range

51–100 employees

Short description

Spira Manufacturing is a specialty EMI gasket design and manufacturer, founded in 1978 and based in San Fernando, California. It serves customers needing electromagnetic interference shielding and now operates as a subsidiary of Arxis, a defense and aerospace electronics roll-up acquirer.

Ownership category

akta.pro rank

Product category

EMI Gaskets / Electromagnetic Shielding Components

NAICS

Electronic Connector Manufacturing (334417)

SIC

Gaskets, Packg & Sealg Devices & Rubber & Plastics Hose (3050), Electronic Connectors (3678)

akta.pro primary industry

Thermal & EMI/EMC Interconnect Materials (Shielding, Gaskets, Grounding) (HDAHAOAL)

akta.pro secondary industry

EMI/RFI Suppression Components (Ferrite Beads/Cores/Filters) (HDAHANAE)

Keywords

• EMI gaskets
• Electromagnetic shielding
• Gasket manufacturing
• Aerospace components
• Defense electronics

Headquarters

HQ city

San Fernando

HQ country

United States

HQ region

North America

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Supply Chain, Personnel, Operations

Core offering

Spira Manufacturing designs and manufactures EMI (electromagnetic interference) gaskets, providing innovation, design, and customer service for electromagnetic shielding components. The company supplies shielding gaskets used in electronic enclosures and assemblies where controlling electromagnetic interference is critical for performance and compliance.

Differentiator

Problem solved

Functional benefit

Products and services

• EMI Gaskets Electromagnetic interference (EMI) gaskets designed and manufactured to provide shielding in electronic enclosures and assemblies. Intended for industrial buyers in aerospace, defense, and electronics whose systems require controlled EMI performance.

Ideal customer profiles1 record

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Recent moves2 records

Expansion highlights3 records

Broad incumbents

• 3M: Large diversified manufacturer with an EMI shielding and conductive adhesive tape/gasket product line — competes with Spira as a broad incumbent with a much wider electronics portfolio.
• W. L. Gore & Associates: Diversified advanced materials company offering Gore EMI shielding gaskets and conductive materials as part of a much broader product portfolio — overlapping with Spira in shielding gaskets but not specialized.
• Henkel: Global materials supplier whose electronics portfolio includes EMI shielding materials and conductive coatings, competing broadly with specialty gasket players like Spira through scale and channel reach.

Direct peers

• Tech-Etch: Precision manufacturer of EMI/RFI shielding products, including conductive elastomers, gaskets, and etched components for medical, aerospace, and defense customers — directly competes in Spira's specialty EMI gasket niche.
• MAJR Products: Niche EMI/RFI shielding manufacturer offering conductive elastomers, knitted wire mesh gaskets, and finger stock — a small-scale direct peer in the engineered EMI gasket specialty.
• Leader Tech (HEICO): Manufacturer of EMI shielding products, board-level shields, and conductive gaskets serving defense, aerospace, and commercial electronics — close comparable in product category and customer profile.
• Laird Performance Materials (DuPont): Major manufacturer of EMI shielding products, conductive gaskets, and thermal management materials serving defense, aerospace, and telecom — a direct peer in the EMI gasket and shielding category.
• Holland Shielding Systems: European specialist in EMI/RFI shielding gaskets, conductive elastomers, and finger stock — comparable niche specialty shielding supplier targeting similar high-reliability end markets.
• Parker Chomerics: Division of Parker Hannifin that is one of the largest specialty manufacturers of EMI shielding gaskets, conductive elastomers, and related interconnect materials — directly comparable to Spira's core EMI gasket business.
• Schlegel Electronic Materials: Specialist in EMI shielding gaskets, conductive fabrics, and foam/finger-stock shielding — direct competitor serving similar electronics, telecommunications, and industrial OEM customers.

Market position

Strengths3 records

Weaknesses3 records

Competitive moat4 records

Key risks4 records

Key highlights4 records

Customer concentration

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 Spira Manufacturing