United States · Funded startup

Who invested in SDI

One round we have observed, with the 2 investors named in it. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it.

ConstructionManufacturing

Funding summaryUpdated 31 Oct 2026

Undisclosedraised across 1 round since 2012, from 1 source

Latest round
RoundJun 2012
Investors
2
See who backed them

The rounds

  1. Jun 2012
    RoundAmount undisclosed

    Reported by prnewswire.com

Everyone who backed them

LLR PartnersVC firm1round
Monument Capital Groupno record of our own yet1round

Missing a round, or an investor who was in one? Tell us.

Also claim to have backed them

These 3 firms list SDI as a portfolio company on their own websites, but no report of a round names them. They are the firms' own claims, kept apart from the rounds above.

Architect EquityPrivate equityPer its own site
Labyrinth Capital PartnersPrivate equityPer its own site
Pouschine Cook Capital ManagementPrivate equityPer its own site

Quick answers about SDI

Who invested in SDI?

SDI's investors include LLR Partners and Monument Capital Group.

How much has SDI raised?

SDI has raised 1 round since 2012, none with a disclosed amount.

When did SDI last raise?

SDI's most recent round was an Undisclosed round in Jun 2012.

Who backed SDI first?

SDI's first round on record, in Jun 2012, was backed by LLR Partners and Monument Capital Group.

What stage is SDI at?

SDI's latest named round is an Undisclosed round, in Jun 2012.

Where is SDI based?

SDI is based in the United States.

Companies like SDI

In the same sector, and raised in the last eighteen months.

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