Building Transparency (EC3)
US-based 501(c)(3) nonprofit organization hosting the EC3 (Embodied Carbon in Construction Calculator) platform. De-facto industry standard for EPD-backed material embodied carbon data. Free tool supporting thousands of building materials.
Website
Ownership
Nonprofit
Ownership graph
No public ownership relationships listed.
Capital
No public capital data.
Market position
Markets
embodied carbon, material carbon, construction, sustainability
Provenance
Sources
Verified 2026-09-07