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A recognized leader and union contractor in heavy industrial construction.
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Beyond Our Day-to-Day Operations

AZCO INC. has a strong commitment to being a responsible corporate citizen. With in-kind donations, service, time and/or money, AZCO makes a difference in the lives of those in our community.

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AZCO INC. Corporate Office Moves to Appleton, Wisconsin

Newly renovated location offers growing company more than 31,000 square feet Town of Menasha, Wis. (April 12, 2016)AZCO INC., one of the nation’s most trusted [read more...]

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Employee Owned. Self-Performing. Union Craftsmanship.
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ExxonMobil – Electrostatic Precipitator Project Phase 1

Client: ExxonMobil

Location: Torrance, California

Project:

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Liquefaction Expansion Pipe Fabrication – Cove Point

Client: Kiewit / IHI - Hamon Deltak - Alstom Renewable Energy

Location: Chesapeake Bay, Maryland

Project: Carbon steel, chrome-moly, and stainless steel pipe spool fabriction for 3 different subcontractors for a single project

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Florida Municipal Power Pipe Fabrication

Client: Vogt Power International, Inc.

Location: Osceola, Florida

Project: Cane Island Unit 4 Pipe Fabrication

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Canola Oil Extraction Pipe Fabrication

Client: Cargill

Location: Saskatchewan, Canada

Project: Shop fabricated stainless steel and carbon steel pipe spools

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Progress Energy Fabrication

Client: PCL Industrial Construction

Location: Roxboro, North Carolina

Project: Large and Small bore pipe fabrication for Plant Mayo

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Anadarko Petroleum Fabrication

Client: Anadarko Petroleum Corporation

Location: Midwest, Wyoming

Project: Salt Creek, West Loop Build-Out Project

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Merrimack Station Clean Air Project

Client: Public Service Company of New Hampshire

Location: Bow, New Hampshire

Project: Ductwork and Steel Installation

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Los Esteros Critical Energy Facility

Client: CH2M Hill LG Constructors

Location: San Jose, California

Project: Steam turbine installation and BOP Piping

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Holly Frontier – Maintenance Contract

Client: Holly Frontier Refinery

Location: Cheyenne, Wyoming

Project: Multi-Year Maintenance Contract

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Thilmany Papers – Boiler Outage

Client: Thilmany Papers (n/k/a Expera Specialty Solutions)

Location: Kaukauna, Wisconsin

Project: Boiler Outage Project

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Waupaca Foundry – Upgrades & Outages

Client: Waupca Foundry

Location: Waupaca, Wisconsin

Project: Emission controls, cupola installations, VMM installations, conveyor system upgrades

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Lundin Mine – Humboldt Mill

Client: Gundlach / Lundin Mine

Location: Champion, Michigan

Project: Dust collection and ductwork, piping fabrication, and installation

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Norbord – Demolition & Conveyor Installation

Client: Norbord

Location: Jefferson, Texas

Project: Ductwork, conveyor and structural steel installation for 3 different areas of facility

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DTE Stoneman – Coal-Fired Boiler Conversion

Client: DTE Stoneman

Location: Cassville, Wisconsin

Project: Complete installation of boiler furnace assemblies, ductowrk and associated piping for conversion to biomass

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Otter Tail Power – Dust Collection System

Client: Otter Tail Power

Location: Big Stone City, South Dakota

Project: Demolition and installation of rotary car dumper dust collection system

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Poultry Litter Fueled Power Plant

Client: Fibrominn Biomass / SNC Lavalin

Location: Benson, Minnesota

Project: Fabrication and installation of all BOP piping and equipment for country's first poultry litter fueled power plant

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University of Missouri – Biomass Conversion

Client: University of Missouri

Location: Columbia, Missouri

Project: Boiler installation, structural steel, and material handling equipment

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KBR / Alliant Energy – Mechanical Installation

Client: KBR / Alliant Energy

Location: Marshalltown, Iowa

Project: Equipment and piping installation for 650MW 2x1 combined cycle power plant, UG piping, AG piping, and shop fabrication in support of field operations

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Xcel Energy – Boiler Coutant Bottom Installation

Client: Xcel Energy

Location: Becker, Minnesota

Project: Boiler tube panel removal and replacement

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Basin Electric – Lonesome Creek Station LM6000 Project

Client: Basin Electric Power Cooperative

Location: Watford City, North Dakota

Project: LM6000 Gas Turbine Installation

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Black Hills Energy – Mechanical Installation

Client: Black Hills Energy

Location: Pueblo, Colorado

Project: Installation of 2 LMS100 CTGs, 4 LM6000 CTGs, 4 HRSGs, 2 SST-400 STGs, BOP Equipment and BOP Piping

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Empire District – Combined Cycle Conversion

Client: Empire District / Burns & McDonnell

Location: Riverton, Kansas

Project: Installation of HRSG, STG and all associated piping

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Black & Veatch – Environmental Equipment Installation

Client: Black & Veatch

Location: Healy, Alaska

Project: Construction of new 50MW power plant including installation of structural steel, piping, ductwork, architectural design management, and shop fabricated piping

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Who We Serve / What We Do

Power Generation

New Power Plant Generation
Gas and Steam Turbine/Generators
Boiler Installations and Rebuilds
Scheduled Outages and Maintenance
Piping Fabrication & Installation
Coal to Gas Conversion

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Alternative Energy

Coal to Biomass Conversion
Dust Collection System Upgrades
Boiler Replacement
Structural Steel Installation
Material Handling Installation
Piping Installation

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Industrial Manufacturing

Emission Controls Systems
Cupola and Tower Installation
Heavy Equipment Setting
Conveyor System Upgrades
Boiler Tube/Wall Repair
Millwright Services

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Oil & Gas

Maintenance
Cat Cracker Process Experience
"Alki" Alkaline Unit Work
Electrostatic Precipitator Repair
Casing Replacement
Heat Exchanger Work

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Pipe & Metal Fabrication Services

Carbon Steel & Stainless Steel
Chrome-Moly & Exotic Alloys
Heat Treatment Furnace Capabilities
Skids & Modular Assemblies
Custom Metal Fabrication

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Power Generation

Alternative Energy

Industrial Manufacturing

Oil & Gas

Pipe & Metal Fabrication Services

Our Story

Integrated Construction Since 1949

AZCO INC. is an employee-owned, full service industrial constructor and pipe and metal fabricator, capable of self-performing a wide range of general construction and mechanical services.

Headquartered in Menasha, WI, AZCO performs its work throughout the United States serving the power generation, refinery and petrochemical, food and beverage, general manufacturing and pulp and paper industries.

AZCO INC. started business in 1949 with four individuals who identified a need for quality mechanical contractors in the Fox Valley initially serving the pulp and paper industry the region is known for.

Today, AZCO INC. employs over 130 individuals in the Fox Valley, working with over 500 union craftsmen nationwide. AZCO INC. provides heavy industrial construction and fabrication services to the national marketplace with projects most recently completed in New York, New Hampshire, Wisconsin, Minnesota, the Dakotas, Missouri, Colorado and California.