Malleable Iron Range Company / Monarch Range

  • Year Founded: 1896
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In 1896, Silas McClure and A.C. Terrell established a stove factory in St. Louis, Missouri. Three years later, they incorporated the company as the Malleable Iron Range Co. and created a trademark for Monarch, their signature line of coal and wood burning stoves. Soon after, the operation relocated to a 13-acre factory just north of downtown Beaver Dam, Wisconsin.

Malleable Iron Range Company / Monarch Range Facts:
  • Founded: 1896
  • Years Operated: 1896 - 1985
  • Headquarters: Beaver Dam, Wisconsin
  • Business: Manufactured home appliances such as stoves, heaters, refrigerators and furnaces
  • Asbestos Trust: No
  • Bankruptcy Status: 1985

The enduring popularity of the Monarch range gave way to a complete line of household appliances and related products that Malleable Iron Range Co. mass produced until the company filed for bankruptcy in 1985. Although Monarch stoves cost nearly double that of most competitors, their popularity grew among homemakers, who praised the quality and economy of the stoves’ construction. Before long, Monarch became a household name.

Malleable Iron Range’s success waned in the late 1970s because of increased regulation of wood burning stoves. By early 1985, fewer than 260 workers remained when the company filed for bankruptcy protection with assets of $7 million and debts of $5.8 million.

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Although Monarch’s customers faced minimal risks for asbestos exposure, exposures among former Malleable Iron Range Co. workers were less rare. Employees at the Beaver Dam factory, including those working in foundries, machine shops, enameling rooms, production lines and warehouses, likely came in contact with asbestos throughout the course of their careers. Appliance installers and repair workers who serviced Monarch stoves may have also experienced harmful exposures to asbestos, which can cause irreversible lung damage after fibers are inhaled.

Asbestos exposure is known to cause serious medical conditions such as mesothelioma, lung cancer, asbestosis and pleural effusion. Because the dangers of asbestos were not fully known until the early 1970s, it is likely that workers who built Monarch stoves were inadequately protected from airborne asbestos fibers.

In fact, Monarch proudly stated the use of asbestos in their products for decades, according to a 2018 feature on the company and the Beaver Dam community published in LocaLeben Magazine.

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During the company’s 89 years of production, Malleable Iron Range Co. incorporated asbestos insulation in the inner lining of their Monarch ranges. Monarch advertised asbestos use in marketing materials for decades, boasting that their stoves’ “Triple Asbestos Wall” prevented rust and corrosion damage while keeping riveted seams permanently secure. By the 1940s, the company no longer used asbestos as a selling point.

If Monarch appliances remained in good condition throughout their use, it’s likely consumers never came into contact with asbestos materials. Asbestos in the ranges posed little danger unless the stoves were disassembled, as the toxic asbestos fibers typically remained safely contained inside the stove assembly.

Site Contamination and Cleanup

After Malleable Iron Range Co. filed for bankruptcy, its former production plant was left in disrepair. A hazardous waste investigation conducted by the Wisconsin Department of Natural Resources found asbestos insulation in pipes throughout the site, a considerable health risk for anyone who cut the pipes or made repairs.

Most of the hazardous waste was still on site in 1987 when the U.S. Environmental Protection Agency (EPA) was called to assist with cleanup efforts regarding asbestos and other contaminants. The EPA allocated $369,000 from their Superfund program to cover the cost of removing the remaining waste. The site today is home to a grocery store, a video store, a small strip mall and a pharmacy.

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Senior Editor

Matt Mauney is an award-winning journalist with more than a decade of professional writing and editing experience. He joined The Mesothelioma Center at in 2016, and he spends much of his time reading, analyzing and reporting on mesothelioma research articles to ensure people in the mesothelioma community know the latest medical advances. Prior to joining, Matt was a Community Manager at the Orlando Sentinel. Matt also edits pages, articles and other content on the website. He holds a certificate in health writing from the Centers for Disease Control and Prevention.

Walter Pacheco, Managing Editor at
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5 Cited Article Sources

The sources on all content featured in The Mesothelioma Center at include medical and scientific studies, peer-reviewed studies and other research documents from reputable organizations.

  1. Malleable Iron Range Company – Monarch Range. (2006). Retrieved from:
  2. Monarch Malleable Coal-Wood Ranges Catalog. (1927). Retrieved from:
  3. Remembering Monarch Range – Advertisements. (2007). Retrieved from:
  4. Wisconsin Natural Resources Magazine – On the Backburner No More. (1996). Retrieved from:
  5. Clark, L. (2018, July 18). Feature: A City Built – Monarch Malleable. Retrieved from:

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Last Modified January 23, 2019

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