KS

What KS does

K&S Enterprises, LLC is a privately held aerospace contract manufacturer founded in 1971 and headquartered in Adelanto, California. The company produces high-pressure aerospace seals, gaskets, connectors, ducting, and sleeves, and — through the Lam-Tex Composites division acquired in 2024 — complex composite moldings, filament-wound parts, sandwich panels, autoclave- and vacuum-bag-cured assemblies, and thermoformed plastic components. Underlying capabilities include in-house tool design, CNC machining within a 25x25x25 inch envelope, material and batch testing, part marking, and aerospace paint and finish, supporting a build-to-print outsourcing service for OEM and defense customers.

The company is AS9100D-certified, has held FAA Quality Assurance Approval since 2012, and holds FAA Parts Manufacturer Approval (PMA) for more than 70 part numbers (with an additional 16 through a strategic partner), covering Boeing and Airbus series such as 620-1, 620-3, 630-3, 620-5, 706-3, 706-1, ABS0737, and ABS1040. It is an approved supplier to Boeing, Airbus, Lockheed/Sikorsky, and Eaton Aerospace, and operates under U.S. Department of Defense / NASA Cage Code 1KE04. Named end markets include commercial aviation, military and defense (including rocket propulsion), naval, space, oil and gas, and medical devices.

K&S generates revenue through direct enterprise sales — customers request quotes via the website, phone, or email ([email protected]) — under long-term OEM relationships and build-to-print manufacturing contracts, supplemented by recurring aftermarket parts supply enabled by its PMA portfolio. The go-to-market is a B2B enterprise field-sales motion targeting aerospace OEMs and defense contractors; pricing is not publicly disclosed and no digital marketing, e-commerce, or channel reseller network is operated. The firm remains privately held under founder/management control with no disclosed venture capital, private equity, or institutional investor involvement.

Name

KS

Legal name

K&S Enterprises, LLC

Website

https://ksentusa.com

Company type

Private

Founded year

1971

Operating status

Operating

Headcount range

11–50 employees

Short description

K&S Enterprises is a private aerospace contract manufacturer producing specification-compliant seals, gaskets, ducts, and composite parts for commercial, military, naval, and space applications, serving Boeing, Airbus, Lockheed/Sikorsky, and Eaton Aerospace since 1971.

Ownership category

akta.pro rank

Product category

Aerospace Component Manufacturing

NAICS

Other Aircraft Parts and Auxiliary Equipment Manufacturing (336413), Aerospace Product and Parts Manufacturing (33641)

SIC

Aircraft Parts & Auxiliary Equipment, Nec (3728), Aircraft & Parts (3720)

akta.pro primary industry

Aerospace Seals, Gaskets, O-Rings & Elastomeric Components (IMABANAF)

akta.pro secondary industries

Structural Assemblies & Integration (Airframe Subassemblies) (IMABAEAD), Metal Airframe Structures & Machined Parts (IMABAEAC), Rotorcraft Parts & Components Manufacturing (Tier Suppliers) (IMABABAM)

Keywords

• Aerospace seals gaskets
• Aerospace composite manufacturing
• Build-to-print assemblies
• FAA PMA parts
• Filament winding components

Headquarters

HQ city

Adelanto

HQ country

United States

HQ region

North America

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Aerospace Seal, Gasket, and Duct Manufacturing: K&S Enterprises manufactures high-pressure aerospace seals, gaskets, connectors, ducting, and sleeves to specification-compliant standards. Revenue is generated through the production and delivery of custom and build-to-print components to aerospace and defense customers, primarily under long-term OEM relationships.
2. Composite Parts & Assemblies Manufacturing: Through the Lam-Tex Composites division, the company produces complex composite moldings, filament winding, sandwich panel constructions, and thermoformed parts for aerospace, defense, and other industries. Revenue is generated from build-to-print composite assemblies and proprietary composite product lines.
3. FAA Parts Manufacturer Approval (PMA): K&S Enterprises holds PMA for over 70 part numbers (with 16 additional through a strategic partner), enabling the sale of FAA-approved replacement parts to commercial airlines and aerospace operators. This represents a recurring parts supply revenue stream for aftermarket support.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels2 records

Core offering

K&S Enterprises manufactures high-pressure aerospace seals, gaskets, connectors, ducting, and sleeves, and through its Lam-Tex Composites division produces aerospace composite parts and assemblies including complex composite moldings, filament winding, sandwich panels, and thermoformed components. The company operates a build-to-print outsourcing model, supplying specification-compliant parts to aerospace OEMs and defense contractors under AS9100D and FAA PMA certifications.

Product overview

K&S Enterprises operates as a unified aerospace manufacturing company offering a portfolio of specification-compliant products. The core offerings consist of K&S Enterprises' high-pressure aerospace seals, gaskets, ducts, and sleeves (manufactured since 1971) combined with Lam-Tex Composites' aerospace composite parts and assemblies (established 1982, acquired 2024). The company provides manufacturing services including build-to-print outsourcing, composite molding, filament winding, thermoforming, and aerospace finishing. All products serve commercial aviation, military, naval, and space industries with FAA and OEM certifications.

Differentiator

Problem solved

Functional benefit

Brands

• Lam-Tex Composites: Aerospace composite parts and assemblies division specializing in complex composite moldings and filament winding, acquired by K&S Enterprises in 2024

Products and services

• Aerospace Seals, Gaskets, and Ducts
• Build-to-Print Outsourcing Services
• Composites Manufacturing (Lam-Tex Division)
• Thermoformed Plastics
• Filament Winding
• Aerospace Paint and Finish

Named customers4 records

Segments6 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature5 records

Partnerships

One partnership is on record.

• Strategic Partner (PMA)minorChannel Partner/ Reseller/ DistributorK&S Enterprises holds FAA Parts Manufacturer Approval (PMA) for over 70 part numbers independently, with an additional 16 parts numbers obtained through a strategic partner. The company welcomes opportunities to support further strategic partners by adding additional PMA approvals, indicating an ongoing channel partnership model for aftermarket parts distribution.

Scale indicators6 records

Recent moves5 records

Expansion highlights5 records

Broad incumbents

• TransDigm Group: TransDigm is a leading aerospace components specialist that owns a broad portfolio of proprietary sole-source aerospace parts, including seals, gaskets, and ducts via subsidiaries. K&S competes in adjacent PMA-approved and OEM-supplied component niches with a far narrower portfolio.
• Precision Castparts Corp: Precision Castparts (Berkshire Hathaway) is a major Tier-1 supplier of complex aerospace components including structural castings and assemblies. K&S competes in the broader aerospace components supply chain for build-to-print and specification-compliant assemblies.
• Parker Hannifin (Aerospace division): Parker's Aerospace segment (including former Meggitt) is one of the largest suppliers of sealing, fluid handling, and motion control systems for aerospace. K&S competes for similar seal and duct content on Boeing and Airbus platforms but at a fraction of Parker's scale and portfolio breadth.
• Trelleborg Sealing Solutions: Trelleborg is a global leader in polymer and elastomer-based sealing solutions with significant aerospace exposure. K&S's elastomeric seals and gaskets serve overlapping aerospace fluid and gas sealing applications, though Trelleborg operates at much greater scale and global footprint.

Direct peers

• HEICO Corporation: HEICO is the dominant FAA Parts Manufacturer Approval (PMA) specialist, supplying replacement parts to commercial airlines across thousands of part numbers. K&S competes directly with HEICO in the PMA replacement parts market for seals, gaskets, and ducts on Boeing and Airbus platforms.
• Coast Composites: Coast Composites is an aerospace composites manufacturer producing autoclave-cured parts, filament-wound structures, and assemblies for Boeing, Airbus, and the DoD. K&S's Lam-Tex division competes directly with Coast Composites in aerospace composite molding and filament winding.
• Senior plc: Senior plc operates a large Aerospace division focused on high-pressure fluid conveyance, seals, gaskets, and ducting for aerospace OEMs. K&S's core seal, gasket, and duct product lines directly overlap Senior's aerospace fluid conveyance and sealing offerings.
• TriMas Aerospace: TriMas Aerospace manufactures specialty fasteners, engineered components, and seals for aerospace applications, serving commercial and defense OEMs. K&S is comparable as a mid-sized Tier-2 supplier of specification-compliant aerospace seals, gaskets, and assemblies.
• Donwell Company: Donwell is a privately held aerospace manufacturer specializing in machined parts, seals, gaskets, and ducting for OEMs. It is closely comparable to K&S in size, customer base, and product mix as a Tier-2/3 aerospace component supplier.

Emerging players

• Hyundai Composite (Aerospace division): Hyundai Composite produces advanced composite parts and assemblies for aerospace applications, including autoclave-cured and filament-wound structures. It is comparable to K&S's Lam-Tex division in composite manufacturing capability, though K&S has stronger established Boeing/Airbus approvals.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights7 records

Customer concentration

• Xx.com/ksenterprises1
• Facebookfacebook.com/profile.php

Compliance3 records

Revenue estimate

Valuation estimate

Number of profiles

Subsidiaries1 record

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 KS