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Company records / brimstone.com

Brimstone

Brimstone (brimstone.com): 4 changes recorded in its website history since April 2009. Homepage last checked 6 November 2026.

Recorded changes

Newest observations first. Each interval bounds when the website changed; it is not an exact event date.

  1. HeadlineBetween and
    Beforethe Brimstone advantage
    AfterCEMENT. STEEL. CRITICAL MINERALS. ALL FROM ONE ROCK.

    Observed on the company’s website; business claims are not independently verified.

  2. HeadlineBetween and
    Beforecement for our
    Afterthe Brimstone advantage

    Observed on the company’s website; business claims are not independently verified.

  3. HeadlineBetween and
    Beforelet's build
    Aftercement for our

    Observed on the company’s website; business claims are not independently verified.

  4. HiringBetween and

    Added a careers page.

    Observed on the company’s website; business claims are not independently verified.

First recorded website

Observed 6 April 2009

Our earliest capture with readable facts. This is our first observation, not when the company introduced these things. These website claims are not independently verified.

How it described itself

Brimstone Dot Com

All facts above belong to this capture. Unlisted fields mean we have no readable observation, not that they were absent.

How it describes itself

Similar headlines are grouped together. The quote shown is from the last capture in each group, not necessarily the exact wording throughout that period.

  1. July 2026 – November 2026 · 3 captures · latest observed messagingCEMENT. STEEL. CRITICAL MINERALS. ALL FROM ONE ROCK.

    Brimstone’s Rock Refinery® transforms an abundant, U.S.-mined rock into cement, SCM, alumina, steel, aluminum, and other critical minerals.

    This wording observed 6 November 2026.

    Inspect 3 captures in this group
    • 14 July 2026 · CEMENT. STEEL. CRITICAL MINERALS. ALL FROM ONE ROCK. archived page
    • 10 August 2026 · CEMENT. STEEL. CRITICAL MINERALS. ALL FROM ONE ROCK. archived page
    • 6 November 2026 · CEMENT. STEEL. CRITICAL MINERALS. ALL FROM ONE ROCK. current websiteHistorical capture not publicly available
  2. July 2025 – January 2026 · 2 capturesthe Brimstone advantage

    Next-generation industrial processes for a more efficient, economical and sustainable future.

    This wording observed 22 January 2026.

    Inspect 2 captures in this group
  3. Seen July 2023 · 1 capturelet's build

    Brimstone is transforming the cement industry from climate problem to climate solution.

    This wording observed 14 July 2023.

  4. April 2009 – January 2023 · 2 capturesBrimstone Dot Com

    This wording observed 28 January 2023.

    Inspect 2 captures in this group

Cite this record

StartupHistory, “Brimstone” company record, https://startuphistory.org/c/brimstone.com

Machine-readable: /c/brimstone.com.json. How changes are found: method.