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Allium Engineering

Allium Engineering

Private
MassachusettsFrontier & Industrial Techhttps://alliumeng.com/

Last Round

Series A

Jun 17, 2026

Total Funding Raised

$24.75M

Company Overview

Allium Engineering is a building products company that develops and manufactures stainless steel-clad rebar technology designed to prevent corrosion and extend the lifespan of concrete infrastructure.

Sector

Frontier & Industrial Tech

Verticals

Advanced Materials, Construction Tech, Green Building, Clean Manufacturing

Business Model

B2B

Customer Profile

Hardware Sales

AI Layer

Non-AI

Keywords

stainless-clad rebarcorrosion-resistant steelrebarconstruction techcivil infrastructuregreen buildingadvanced materialsinfrastructure longevityclimate techsustainable constructionclean manufacturingbridge infrastructuresteel claddinginfrastructure maintenanceresilient infrastructure

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Allium Engineering Comps

Public and private peers based on sector, stage, and business model.

Allium Engineering comps — public and private peers by sector, stage, and business model
CompanyStatusEst. ValuationRev Multiple
OpenAIPrivate$86.0B~40x
CoherePrivate$5.0B--
Competitor 1Public$XX.XBXXx
Competitor 2Public$XX.XBXXx

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Allium Engineering Funding Rounds

Historical fundraising activity

Data table
RoundDateAmount RaisedValuationInvestorsSources
Series AJun 17, 2026
GrantApr 25, 2025
GrantOct 7, 2024
SeedMar 13, 2024

Key People

Founding team and executive leadership

Sam McAlpine

Co-Founder and Chief Technology Officer

Founding Team

Steven Jepeal

Co-Founder & CEO

Founding Team

Allium Engineering Investors

Notable investors and investment history

Allium Engineering investors
InvestorRounds
Acequia CapitalSeries A
Tailwind FuturesSeries A
Climate CapitalSeries A
PropellerSeries A, Seed
The New Industrial CorporationSeries A
Anthropocene VenturesSeed
Syntax VenturesSeries A

Allium Engineering Filings

SEC and related filings with document metadata.

Data table
TypedDateAmount OfferedAmount SoldFillingPagesDownload
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Allium Engineering Filings

SEC and related filings with document metadata.

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Firmographic Details

HeadquartersMassachusetts
Employee Range8
Year Founded2020
Last FundingJun 17, 2026

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