Private company

Thorkildsen-Mather Borax Company

Thorkildsen-Mather Borax Company was a borax mining company founded in 1898 by Stephen Mather and Thomas Thorkildsen. The two men were both employees of Francis Marion "Borax" Smith's Pacific Coast Borax Company, but they left the company to form this new company and went into direct competition with their former boss.2 It was founded by Stephen Tyng Mather.1 Wikipedia text CC BY-SA 4.0

Last updated Oct 21, 2026.

Overview

Thorkildsen-Mather Borax Company was a borax mining company founded in 1898 by Stephen Mather and Thomas Thorkildsen. The two men were both employees of Francis Marion "Borax" Smith's Pacific Coast Borax Company, but they left the company to form this new company and went into direct competition with their former boss.2

The story

Founded by Stephen Tyng Mather.1

Leadership

Who has led Thorkildsen-Mather Borax Company, and when. Pick a name to see everywhere that person has worked.

Sources

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