Decarbonized ordinary portland cement plus SCM
Provider 
Founded 2019
Sells To Enterprise, Government
Pricing Model Transactional
Ownership Venture-backed

Brimstone Rock Refinery co-produces decarbonized ordinary portland cement and supplementary cementitious materials from common rock.
Brimstone's Rock Refinery produces decarbonized ordinary portland cement alongside supplementary cementitious materials from common silicate rock in a single process. The resulting cement matches ordinary portland cement chemistry and meets existing industry standards.
The first plant co-produces cement, supplementary cementitious materials, and alumina from one feedstock. Customers adopt the materials without changing construction practices while cutting embodied carbon.
Fortera

Fortera ReAct Cement
forteraglobal.com
Hoffmann Green Cement Technologies
Hoffmann Green low-carbon cements
ciments-hoffmann.com
CarbonBuilt

Reversa
carbonbuilt.com
Sublime Systems

Sublime Cement
sublime-systems.com
| Attribute | Decarbonized ordinary portland cement plus SCM | Fortera ReAct Cement | Hoffmann Green low-carbon cements | Reversa | Sublime Cement | |
|---|---|---|---|---|---|---|
| Provider | ||||||
| Founded | 2019 | 2019 | 2015 | 2020 | 2020 | |
| Sells To | Enterprise, Government | Enterprise | — | Enterprise | Enterprise, Government | |
| Pricing Model | Transactional | Recurring, Software | — | Recurring | Recurring | |
| Ownership | Venture-backed | Venture-backed | — | Venture-backed | Venture-backed |
Provider 
Founded 2019
Sells To Enterprise, Government
Pricing Model Transactional
Ownership Venture-backed
Provider 
Founded 2019
Sells To Enterprise
Pricing Model Recurring, Software
Ownership Venture-backed
Provider Hoffmann Green Cement Technologiesciments-hoffmann.com
Founded 2015
Sells To —
Pricing Model —
Ownership —
Provider 
Founded 2020
Sells To Enterprise
Pricing Model Recurring
Ownership Venture-backed
Provider 
Founded 2020
Sells To Enterprise, Government
Pricing Model Recurring
Ownership Venture-backed


Patented process for co-producing cement and other industrial materials from one rock feedstock.


Low-carbon supplementary cementitious material for concrete producers and industrial buyers.
Patented process for co-producing cement and other industrial materials from one rock feedstock.

Low-carbon supplementary cementitious material for concrete producers and industrial buyers.
