dme
DME is a California-based custom manufacturer, founded in 1975, that designs and fabricates metal bellows expansion joints, exhaust system components, and flexible metal hose assemblies for industrial customers in marine, power generation, oil & gas, mining, refinery, and related sectors.
- Company typePrivate
- Founded1975
- HeadquartersSanta Fe Springs, United States
- Headcount—
- GTM typeB2B
- OfferingHardware or Manufacturing
What dme does
DME is a custom manufacturer of metal bellows expansion joints, exhaust system components, and flexible metal hose assemblies, founded in 1975 and operating from a single facility in Santa Fe Springs, California. The company builds engineered-to-order metal fabricated components for industrial end-markets including marine, power generation, co-generation, oil & gas, solar, mining, refinery, and hydronic heating.
The product portfolio is anchored on metal bellows technology — flexible, pressure-bearing metal elements used to absorb thermal expansion, vibration, pipe misalignment, and exhaust movement in piping and engine systems. DME's bellows, expansion joints, exhaust components, and flexible hose assemblies are designed and manufactured in conformance with ASME Section VIII (pressure vessels), ASME B31.3 (process piping), and EJMA (Expansion Joint Manufacturers Association) standards, under an ISO 9001:2015 quality management system certified by ANAB. All production appears to be custom per customer specifications rather than sold from a catalog.
DME runs a direct, sales-led go-to-market with quote-based pricing tied to each project's specifications, materials, and code requirements. No distribution, no e-commerce, and no disclosed recurring-revenue mechanism is in evidence. The company does not disclose customer names, headcount, or revenue; fifty years of continuous operation and active code/certification maintenance suggest an incumbent, project-driven industrial business with a long-tail order book rather than concentrated enterprise contracts.
dme firmographics
Firmographics- Name
- dme
- Legal name
- DME Inc.
- Website
- https://dmeexpansionjoints.com
- Company type
- Private
- Founded year
- 1975
- Operating status
- Operating
- Short description
- DME is a California-based custom manufacturer, founded in 1975, that designs and fabricates metal bellows expansion joints, exhaust system components, and flexible metal hose assemblies for industrial customers in marine, power generation, oil & gas, mining, refinery, and related sectors.
- Ownership category
- akta.pro rank
Where dme is headquartered
LocationHeadquarters
- HQ city
- Santa Fe Springs
- HQ country
- United States
- HQ region
- North America
Offices1 record
Markets served
dme business model
Business model- GTM type
- B2B
- Offering type
- Hardware or Manufacturing
- Cost components
- Personnel, Supply Chain, Operations, Technology or R&D, Marketing or Sales, Infrastructure
Revenue model
- Custom Metal Bellows Expansion Joints: DME manufactures custom metal bellows expansion joints, exhaust system components, and flexible metal hose assemblies. Products are custom-fabricated to meet exact specifications with full control over the manufacturing process from design through shipping.
- Exhaust Components and Accessories: Wide range of exhaust components including flanges, rain shields, pipe guides, elbows, tubing, gaskets, fasteners, insulation, and prefabricated tube assemblies. These complement the core expansion joint products.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Other | Multi-year contract | Custom Quote-Based Pricing |
Go-to-market motion1 record
Distribution channels2 records
Marketing channels4 records
dme product offering
Product offeringCore offering
DME manufactures custom metal bellows expansion joints (industrial, exhaust, rectangular, and externally pressurized), flexible metal hose assemblies (braided metal hose, seismic flex assemblies, braided pump connectors), and a broad line of exhaust system accessories (flanges, rain shields, pipe guides, elbows, insulation, prefab tube assemblies, adapters). All products are engineered-to-order, fabricated 100% in-house from incoming material inspection through final quality control and shipping, and offered in stainless steel, Hastelloy, Monel, and Inconel alloys for use in marine, power generation, oil & gas, refinery, cogeneration, solar thermal, mining, and hydronic applications.
Product overview
DME manufactures custom metal bellows expansion joints, exhaust system components, and flexible metal hose assemblies. The product portfolio centers on five core product categories: Industrial Expansion Joints, Exhaust Expansion Joints, Rectangular Expansion Joints, Braided Metal Hose (including Metal Hose Assemblies, Seismic Flex Assemblies, and Braided Pump Connectors), and Accessories. Accessories encompass a wide range of supporting components including Pipe Guides/Slides, Flanges, Rain Shields, Roof/Wall Thimbles, Elbows, Gaskets & Fasteners, Rain Caps, Insulation, Wye Collectors, Prefab Tube Assemblies, and Exhaust System Adapters. All products are designed, engineered, fabricated, and shipped from the company's USA factory, with 100% control over manufacturing from incoming material inspection through final quality control and on-time shipping.
Differentiator
Problem solved
Functional benefit
Products and services
- Industrial Expansion Joints
Quantifiable outcome
- Single-ply bellows achieve 360 lbs/in axial spring rate with 1,956 theoretical design cycle life
- +3 more outcomes
Companies that use dme
Customer profileNamed customers3 records
Segments8 records
Ideal customer profiles8 records
dme technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature6 records
dme partnerships and signals
Strategic signalScale indicators5 records
Recent moves1 record
Expansion highlights3 records
dme competitors and assessment
Company assessmentDirect peers
- BOA Holdings: Belgian-headquartered specialist manufacturer of metal bellows expansion joints and flexible pipe solutions serving oil & gas, power, and process industries. Closely comparable to DME in core product (metal bellows expansion joints), customer verticals, and custom-engineered sales motion.
- Piping Technology & Products: Houston-based fabricator of pipe supports, expansion joints, and engineered piping products for refineries, power plants, and industrial facilities. Comparable to DME in product mix (expansion joints, custom fabrication) and customer verticals, with similar custom quote-based sales approach.
- Metraflex Company: US-based manufacturer of expansion joints, flexible connectors, and braided metal hose for HVAC, plumbing, and industrial piping. Highly comparable to DME in product range (bellows joints, braided hose), customer base (commercial/industrial mechanical contractors), and custom manufacturing model.
- Hose Master: US manufacturer of flexible metal hose assemblies and braided connectors serving petrochemical, refining, and OEM customers. Direct overlap with DME's braided metal hose and pump connector product lines in industrial fluid-handling applications.
- U.S. Bellows, Inc. Houston-based manufacturer of metal bellows expansion joints for refinery, petrochemical, and power generation applications. Direct competitor to DME in EJMA-compliant, ASME-coded expansion joint manufacturing with overlapping end markets.
Broad incumbents
- Senior plc (Flexion): UK-listed engineered components group whose Flexion division manufactures flexible metal hose and expansion joints for industrial markets. Overlaps with DME's flexible metal hose and bellows product lines but operates across many other fluid and thermal management categories.
- Kadant Inc. US-listed global supplier of fluid-handling and engineered components, including expansion joints and flexible connectors via acquired businesses. Compares to DME in product overlap but competes with a much broader industrial portfolio and significantly larger scale.
Emerging players
- BellowsTech (MW Industries): Specialist metal bellows manufacturer now part of MW Industries, focused on engineered bellows for aerospace, defense, and industrial applications. Comparable to DME's bellows engineering capability but skewed toward higher-precision, lower-volume niche use cases.
- Pathway Bellows: US-based fabricator of metal bellows expansion joints and flexible connectors for industrial process piping. Comparable niche specialist to DME with overlapping capabilities in custom bellows manufacturing for refinery and chemical processing markets.
Regional players
- Pro-Tec Machine (Expansion Joint Division): Midwest US custom fabricator with expansion joint and exhaust component capabilities serving regional industrial accounts. Comparable to DME in custom fabrication and exhaust/expansion joint offerings, with more regional than national/international reach.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat4 records
Key risks6 records
Key highlights7 records
Customer concentration
dme social profiles
Digital presencedme compliance and trust
Trust signalCompliance1 record
dme financial estimates
Financial estimateRevenue estimate
Valuation estimate
dme leadership team
Management profileNumber of profiles
Profiles1 record
dme funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
dme M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about dme
What does dme do?
DME manufactures custom metal bellows expansion joints (industrial, exhaust, rectangular, and externally pressurized), flexible metal hose assemblies (braided metal hose, seismic flex assemblies, braided pump connectors), and a broad line of exhaust system accessories (flanges, rain shields, pipe guides, elbows, insulation, prefab tube assemblies, adapters). All products are engineered-to-order, fabricated 100% in-house from incoming material inspection through final quality control and shipping, and offered in stainless steel, Hastelloy, Monel, and Inconel alloys for use in marine, power generation, oil & gas, refinery, cogeneration, solar thermal, mining, and hydronic applications.
Is dme a public or private company?
dme is a private company. It is classified as founder individual operated bootstrapped and is currently operating.
When was dme founded?
dme was founded in 1975.
Where is dme based?
dme is headquartered in Santa Fe Springs, United States, in the North America region.
How does dme make money?
Two revenue lines are on record. Custom Metal Bellows Expansion Joints are the primary driver. The others are exhaust Components and Accessories.
Who are dme's main competitors?
Direct peers on record are BOA Holdings, Piping Technology & Products, Metraflex Company, Hose Master and U.S. Bellows, Inc.. Broad incumbents are Senior plc (Flexion) and Kadant Inc.. Emerging players are BellowsTech (MW Industries) and Pathway Bellows. Pro-Tec Machine (Expansion Joint Division) is listed as a regional player.
Does dme have an API?
No public API is recorded for dme.