Maestranza Andes

What Maestranza Andes does

Maestranza Andes is a privately held Chilean industrial services company (legal name 'Manuel Ruiz Jerez y Cia. Ltda') founded by Manuel Ruiz Jerez in Laja in 1978 and formally operating since July 10, 1981. The company provides engineering, custom metal fabrication, mechanical assembly, professional maintenance, piping, industrial painting, civil works, vacuum testing, and tube replacement services, primarily to pulp and paper mills, sawmills, and general industrial clients across Chile's VIII Region (Biobío). Its operations are anchored by a fabrication workshop and sandblasting/painting plant at its Casa Matriz in Laja, with general management and purchasing in Concepción.

The company's service portfolio is organized around seven core offerings: custom fabrication and assembly (calderería, piping, tanks in carbon and stainless steel), professional mechanical maintenance, custom industrial painting, high-quality piping, electrochemical stainless steel cleaning (via an exclusive Chilean partnership with Capital Weld Cleaners, compliant with ASTM-A967), civil works, and vacuum testing plus tube replacement. It holds ISO 9001:2015 and ISO 45001:2018 certifications (SGS, valid through 2026), and API 650 / API 653 certifications authorized by Chile's Superintendencia de Electricidad y Combustibles (SEC) since June 2019. Its named customer base includes CMPC, Arauco, Norske Skog, Andritz (Pulp Hydro and Pulp Paper), Valmet, Colbún, OXY, Quimetal, Codelco, Iansagro, Salfa Corp, and Socoicsa.

Maestranza Andes operates a project-based, quote-driven revenue model with multi-year enterprise contracts, delivering services either on-site at client facilities or at its Laja workshops. Distribution is exclusively direct enterprise field sales, primarily through long-standing relationships and referrals within Chile's pulp and paper, wood, energy, mining, and chemical industries, with no digital channels, resellers, or external investors identified in the source data.

Name

Maestranza Andes

Legal name

Manuel Ruiz Jerez y Cia. Ltda

Website

https://maestranzaandes.cl

Company type

Private

Founded year

1981

Operating status

Operating

Headcount range

51–100 employees

Short description

Maestranza Andes is a privately held Chilean industrial services company that provides custom fabrication, mechanical assembly, maintenance, piping, civil works, and electrochemical cleaning for pulp mills, sawmills, and general industrial clients primarily in Chile's VIII Region.

Ownership category

akta.pro rank

Product category

Industrial Fabrication and Maintenance Services

NAICS

Industrial Machinery Manufacturing (3332), All Other Industrial Machinery Manufacturing (333248)

SIC

Metalworkg Machinery & Equipment (3540), Construction, Mining & Materials Handling Machinery & Equip (3530)

akta.pro industry

PRIMARYIMAIACAD

Welding, Fabrication & Field Machining Services (On-site)

Industrials, Manufacturing & Construction/Industrial Services & Facility Operations/Industrial Maintenance & Plant Shutdown Services

SECONDARYIMAFALAH

Sheet Metal & Ductwork Contracting

Industrials, Manufacturing & Construction/Construction & Civil Engineering/Specialty Trade Contractors (MEP, HVAC, Plumbing, Electrical)

SECONDARYIMAIACAJ

Industrial Cleaning & Decontamination (Hydroblasting/Vacuum/Confined Space)

Industrials, Manufacturing & Construction/Industrial Services & Facility Operations/Industrial Maintenance & Plant Shutdown Services

Keywords

• Industrial fabrication services
• Mechanical maintenance services
• Boilermaking and welding
• Civil construction services
• Electrochemical weld cleaning

Headquarters

HQ city

Laja

HQ country

Chile

HQ region

Latin America

Offices2 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Supply Chain, Marketing or Sales, Others

Revenue model

1. Fabricación y Montaje: Custom fabrication and assembly services including boilermaking, piping, and tank fabrication (steel and stainless steel). Revenue generated through project-based contracts for industrial fabrication and installation.
2. Mantención Profesional: Professional maintenance services including mechanical assembly, boilermaking maintenance, and structural assembly. Ongoing maintenance contracts and scheduled maintenance services for industrial clients.
3. Obras Civiles: Civil construction works including new structure construction, renovation, and specialized civil projects for commercial and industrial applications.
4. Servicios Especializados: Specialized services including industrial painting, vacuum testing, tube replacement, and electrochemical cleaning. Ancillary services that complement core fabrication and maintenance offerings.

Pricing tiers

Go-to-market motion1 record

Distribution channels1 record

Marketing channels2 records

Core offering

Maestranza Andes is a Chilean industrial services company that delivers custom metal fabrication, CNC machining, mechanical assembly, on-site industrial maintenance, and civil works for clients in the wood, pulp/paper, and general industrial sectors. The firm also operates an exclusive electrochemical weld-cleaning service using Capital Weld Cleaners equipment and holds ISO and API certifications.

Product overview

Maestranza Andes is an industrial services company providing engineering, fabrication, assembly, maintenance, and civil works services. The portfolio consists of seven core service offerings: Fabricación y Montaje a la Medida (custom fabrication and assembly of metal structures, piping, and tanks), Mantención Profesional (mechanical maintenance and structure assembly), Pintura Industrial a Medida (custom industrial painting), Piping de Alta Calidad (piping systems installation and maintenance), Limpieza Electroquímica de Acero Inoxidable (electrochemical cleaning of stainless steel), Obras Civiles (civil construction), and Pruebas de Vacío y Cambio de Tubos (vacuum testing and tube replacement). These services serve the wood, pulp/paper, and general industrial sectors.

Differentiator

Problem solved

Functional benefit

Products and services

• Industrial Fabrication Custom metal fabrication, boilermaking, and structural manufacturing for industrial clients in the wood, pulp/paper, and general industrial sectors in Chile.

Quantifiable outcome

• 100% compliance with client specifications - company goal is full compliance with all specifications requested for each project
• +2 more outcomes

Named customers13 records

Segments3 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature1 record

Partnerships

One partnership is on record.

• Capital Weld CleanerscoreTechnology or IntegrationExclusive provider of Capital Weld Cleaners electrochemical cleaning equipment in Chile. This partnership enables Maestranza Andes to offer specialized stainless steel weld discoloration removal, passivation, and chemical marking services using Capital Weld Cleaners' 1X30 and 2X40 machines. The technology complies with ASTM-A967 passivation standards.

Scale indicators3 records

Recent moves10 records

Expansion highlights5 records

Peers

• Andritz Chile:

Direct peers

• Socoicsa: Chilean industrial services provider offering mechanical assembly and maintenance to industrial clients in the Biobío region; competes with Maestranza Andes for the same pulp & paper and industrial maintenance contracts and is also named as a customer.
• Salfa Corp: Chilean industrial construction and engineering services company with broad capabilities across construction, assembly, and maintenance for industrial clients — directly competes with Maestranza Andes for industrial services contracts and is also listed among its customers.
• Inamar (Ingeniería y Mantenimiento): Chilean industrial maintenance company providing mechanical, electrical, and instrumentation services to pulp, paper, and industrial clients; directly competes in the Biobío industrial corridor with overlapping capabilities.

Broad incumbents

• Besalco: Chilean engineering and construction group with industrial services capabilities serving mining, energy, and industrial clients; competes for the same large industrial maintenance and assembly contracts in Chile.
• Echeverría Izquierdo: Chilean engineering, construction, and industrial services firm (Montajes Industriales division) executing large industrial projects; competes for metal-mechanical assembly and maintenance work at pulp mills, mines, and energy facilities.
• Sigdo Koppers (SK Industrial): Large Chilean industrial conglomerate offering fabrication, maintenance, and engineering services across multiple subsidiaries; serves the same pulp, mining, and energy customers as Maestranza Andes but at significantly greater scale.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat4 records

Key risks1 record

Key highlights5 records

Customer concentration

• Facebookfacebook.com/MaestranzaAndes
• LinkedInlinkedin.com/company/maestranza-andes

Compliance4 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 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 Maestranza Andes