Peninsula Iron Works
company_description_short
- Company typePrivate
- Founded1917
- HeadquartersPortland, United States
- Headcount11–50
- GTM typeB2B
- OfferingServices
What Peninsula Iron Works does
Peninsula Iron Works (PIW) is a heavy industrial fabrication and machine shop founded in 1917 in Portland, Oregon, operating from three facilities totaling 120,000+ sq ft including a 40,000 sq ft machine shop and 80,000 sq ft fabrication shop with 50-ton crane capacity. The company provides customized fabrication, CNC machining, and equipment rebuild services for heavy industrial equipment that exceeds normal shop capacity, serving industries including steel mills, mining and aggregate, aerospace, paper and pulp, power generation, marine, and government projects. Notable customers include Boeing, Airbus, Kaiser Aluminum, and government entities such as the Hoover Dam and nuclear submarine programs.
The company's technical capabilities include large-scale CNC equipment (Betts 244-inch swing boring mill, Giddings & Lewis 144-inch vertical boring mill, 456-inch floor mill), robotic welding systems (Fanuc ARCMate), and a Climax BW5000 Bore Welder capable of welding exotic alloys including Inconel, Hastelloy, Monel, and Stainless Steel. PIW manufactures proprietary products including PIW Band Sawmill Wheels, PIW Veneer Hogs, and PIW Scissor Lifts, and operates the Peninsula Crusher Works division specializing in rock crusher repair and refurbishment.
PIW operates a sales-led, project-based business model with revenue generated from one-time fabrication/machining projects and ongoing professional services including equipment rebuilds and on-site engineering. The company is now a subsidiary of Astec Industries following the July 1, 2025 acquisition as part of Astec's purchase of TerraSource Holdings LLC. The company previously operated as a family-owned business (Johnson family) for over a century before the acquisition.
Peninsula Iron Works firmographics
Firmographics- Name
- Peninsula Iron Works
- Legal name
- Peninsula Iron Works
- Website
- https://peniron.com
- Company type
- Private
- Founded year
- 1917
- Operating status
- Operating
- Headcount range
- 11–50 employees
- Short description
- company_description_short
- Ownership category
- akta.pro rank
Peninsula Iron Works industry classification
Industry- Product category
- Heavy Industrial Fabrication and Machining Services
- NAICS
- Iron and Steel Mills and Ferroalloy Manufacturing (331110)
- SIC
- Steel Works, Blast Furnaces & Rolling & Finishing Mills (3310)
- akta.pro primary industry
- Metals & Steel Mill Facility Construction (IMAFADAF)
- akta.pro secondary industry
- Steel Erection & Structural Ironwork (EDAOAAAJ)
Keywords
Where Peninsula Iron Works is headquartered
LocationHeadquarters
- HQ city
- Portland
- HQ country
- United States
- HQ region
- North America
Offices4 records
Markets served
Peninsula Iron Works business model
Business model- GTM type
- B2B
- Offering type
- Services
- Cost components
- Personnel, Operations, Infrastructure, Supply Chain
Revenue model
- Heavy Fabrication Services: Custom fabrication services for steel mills, mining, construction, and industrial OEM customers. Projects range from fixtures for Boeing and Airbus to steel mill equipment rebuilds. Revenue is project-based, one-time per job.
- Machining Services: CNC and conventional machining services for large-scale industrial components including rolls, shafts, housings, and custom fabrications. Billed per project based on complexity and material.
- Equipment Rebuilds and Repair: Complete tear-down, repair, refurbishment, and rebuild of heavy industrial equipment including rock crushers, steel mill machinery, and marine components. Includes ongoing maintenance contracts.
- Peninsula Crusher Works Division: Specialized rock crusher repair and refurbishment services for all crusher types, sizes, and brands. Customers from Minnesota and Hawaii send equipment for repair.
- On-Site Engineering Services: On-site engineering to decrease plant downtime, reduce equipment maintenance costs, and increase uptime between scheduled and unscheduled shutdowns.
Go-to-market motion1 record
Distribution channels1 record
Marketing channels4 records
Peninsula Iron Works product offering
Product offeringCore offering
Peninsula Iron Works is a heavy industrial machine shop and fabrication facility providing heavy fabrication, CNC machining, and equipment rebuild services for large-scale industrial equipment up to 50-ton capacity. The company serves steel mills, mining operations, aerospace OEMs, paper mills, power plants, and marine customers across the Pacific Northwest with three Portland, Oregon facilities totaling 120,000 sq ft. It also manufactures proprietary products including band sawmill wheels, veneer hogs, and scissor lifts, and operates the Peninsula Crusher Works division for rock crusher repair and refurbishment.
Product overview
Peninsula Iron Works is a heavy industrial machine shop and fabrication facility offering a comprehensive suite of services including heavy fabrication, CNC machining, and equipment rebuild. The company operates through its core service divisions: Machine Shop Services (with 40,000 sq ft facility and 50-ton crane capacity), Fabrication Shop (80,000 sq ft), and Compound Assembly & Storage. The company manufactures proprietary products including PIW Band Sawmill Wheels, PIW Veneer Hogs, and PIW Scissor Lifts. Through its Peninsula Crusher Works division, it provides specialized rock crusher repair and refurbishment services. Additional offerings include steel mill services, hot press platen maintenance, and on-site engineering support for various industries including steel mills, aluminum plants, mining, construction, and aerospace.
Differentiator
Problem solved
Functional benefit
Products and services
- Heavy Fabrication Services Heavy fabrication services for OEMs of pumps and components, machine tool manufacturers, steel mills, and agricultural equipment. Includes disassembly, cleaning, inspection, engineering, reverse engineering, prototype work, equipment re-engineering, and upgrades for complex industrial machinery.
- Machine Shop Services Comprehensive machining capabilities including CNC lathes, vertical boring mills (up to 244-inch swing), horizontal boring mills, radial drills, bridge mills, VMCs, key seaters, and lasers, housed in a 40,000 sq ft facility with 50-ton crane capacity.
- Equipment Rebuild Services Complete equipment rebuild services including repairs, maintenance, rebuilds, and improvements for complex mechanical machinery. Includes on-site engineering to decrease plant downtime, reduce equipment maintenance costs, and increase uptime between scheduled and unscheduled shutdowns.
- Peninsula Crusher Works A division of Peninsula Iron Works dedicated to rock crusher repair and refurbishment. Provides repair services for rock crushers of all types, sizes, and brands, including press work, overlay, machining, and fitting parts, returning equipment to better-than-new specifications.
- Hot Press Platen Services Specialized straightening and resurfacing services for platens and hot plates used in presses, including Washington Iron presses and smaller presses. Services include leak tests and flatness documentation for plywood, OSB, and MDF hot plates.
- Steel Mill Services Heavy fabrication, machine, and rebuild services for steel mills including tube mills, sheet mills, pipe mills, aluminum plants, and scrap yards. Covers mandrel repair, mobile equipment repair, leveler rebuilds, roll manufacturing, chock repair, and casting mold work, with PIW positioning itself as the premier mandrel service center in the Northwest.
- PIW Band Sawmill Wheels Proprietary band saw wheels developed and manufactured by Peninsula Iron Works for sawmill applications, in production since 1992.
- PIW Veneer Hogs Original manufactured product designed by Stuart B. Johnson, used for veneer processing in the timber and lumber industry.
- PIW Scissor Lifts Original manufactured product designed by Stuart B. Johnson for material handling applications in industrial settings.
Quantifiable outcome
- 68,000 lb Jaw Crusher (1930s vintage) rebuilt with new shaft and bushing manufactured to tight tolerances
- +2 more outcomes
Companies that use Peninsula Iron Works
Customer profileNamed customers14 records
Segments4 records
Ideal customer profiles4 records
Peninsula Iron Works technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature7 records
Peninsula Iron Works partnerships and signals
Strategic signalPartnerships
One partnership is on record.
- Astec IndustriescorePeninsula Iron Works joined the Astec Industries family of brands as part of the acquisition of TerraSource Holdings LLC on July 1, 2025. Astec Industries is a company focused on infrastructure and materials processing. The acquisition brings PIW into a family of companies that shares their values, passion for innovation, and commitment to customer success.
Scale indicators6 records
Recent moves7 records
Expansion highlights5 records
Peninsula Iron Works competitors and assessment
Company assessmentDirect peers
- Esco Corporation: Portland-headquartered manufacturer of engineered wear parts and attachments for mining, infrastructure, and industrial markets. Overlaps with PIW's mining/aggregate customer focus and heavy industrial product expertise.
- Oregon Iron Works: Historic Portland-based heavy industrial fabrication and ship repair company, now operating under Vigor Industrial. Directly comparable on geography, customer base (steel mills, marine, government), and heavy fabrication/rebuild capabilities.
- Vigor Industrial: Pacific Northwest ship repair and heavy industrial fabrication specialist. Overlaps with PIW's marine, government, and industrial fabrication business, including large-scale structural and machining capabilities.
- Ellwood Group: Family-owned heavy steel manufacturing and forging group serving steel mills, foundries, and industrial OEMs. Comparable on heavy industrial steel manufacturing, custom forging, and steel mill customer focus.
- Thompson Metal Fab: Vancouver, WA-based structural and miscellaneous steel fabricator serving commercial, industrial, and infrastructure markets. Comparable on scale, custom steel fabrication, and Pacific Northwest regional footprint.
Broad incumbents
- Caterpillar: Global leader in heavy industrial equipment manufacturing. Relevant as a major customer of large-scale industrial fabrication and rebuild services, and a comparable large-scale industrial player with significant aftersales service operations.
- Astec Industries: Public industrial conglomerate specializing in infrastructure and materials processing equipment. Now PIW's parent company and the most direct strategic reference for how PIW's capabilities fit within a larger industrial portfolio.
- Triumph Group: Aerospace and industrial structures manufacturer providing fabrication, machining, and repair services. Comparable on heavy industrial fabrication, machined components, and aerospace customer base.
- Reliance Steel & Aluminum: Largest metals service center company in North America, providing metal processing and distribution to industrial customers. Comparable on the metals service/processing side of PIW's industrial customer supply chain.
Regional players
- Precision Castparts Corp: Portland-originated manufacturer of metal components for aerospace, power, and industrial markets. Comparable as a Portland-based heavy industrial manufacturer serving aerospace and industrial customers, though focused on casting rather than fabrication/rebuild.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat5 records
Key risks6 records
Key highlights6 records
Customer concentration
Peninsula Iron Works social profiles
Digital presencePeninsula Iron Works financial estimates
Financial estimateRevenue estimate
Valuation estimate
Peninsula Iron Works leadership team
Management profileNumber of profiles
Peninsula Iron Works subsidiaries and ownership
Company hierarchySubsidiaries1 record
Peninsula Iron Works funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Peninsula Iron Works 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 Peninsula Iron Works
What does Peninsula Iron Works do?
Peninsula Iron Works is a heavy industrial machine shop and fabrication facility providing heavy fabrication, CNC machining, and equipment rebuild services for large-scale industrial equipment up to 50-ton capacity. The company serves steel mills, mining operations, aerospace OEMs, paper mills, power plants, and marine customers across the Pacific Northwest with three Portland, Oregon facilities totaling 120,000 sq ft. It also manufactures proprietary products including band sawmill wheels, veneer hogs, and scissor lifts, and operates the Peninsula Crusher Works division for rock crusher repair and refurbishment.
Is Peninsula Iron Works a public or private company?
Peninsula Iron Works is a private company. It is classified as corporate owned and is currently operating.
When was Peninsula Iron Works founded?
Peninsula Iron Works was founded in 1917. It employs 11 to 50 people.
Where is Peninsula Iron Works based?
Peninsula Iron Works is headquartered in Portland, United States, in the North America region.
How does Peninsula Iron Works make money?
Five revenue lines are on record. Heavy Fabrication Services are the primary driver. The others are machining Services, equipment Rebuilds and Repair, peninsula Crusher Works Division and on-Site Engineering Services.
Who are Peninsula Iron Works's main competitors?
Direct peers on record are Esco Corporation, Oregon Iron Works, Vigor Industrial, Ellwood Group and Thompson Metal Fab. Broad incumbents are Caterpillar, Astec Industries, Triumph Group and Reliance Steel & Aluminum. Precision Castparts Corp is listed as a regional player.
Does Peninsula Iron Works have an API?
No public API is recorded for Peninsula Iron Works.
What industry is Peninsula Iron Works in?
Peninsula Iron Works's product category is Heavy Industrial Fabrication and Machining Services. Its primary akta.pro industry code is IMAFADAF, Metals & Steel Mill Facility Construction, with a secondary code of EDAOAAAJ, Steel Erection & Structural Ironwork. Its NAICS code is 331110 and its SIC code is 3310.