Diligence memo · auto-generated · as of July 2, 2026
Mastec Inc
Mastec Inc has raised $294M over 2 rounds; too few niche peers to rank its valuation yet.
Businessfiled
Mastec Inc operates in Climate / Cleantech, based in CORAL GABLES. MasTec | Infrastructure Construction | Electric Power, Oil & Gas, Communications, Power Generation, Technology
Sub-sector tags: climate/cleantech, energy, mobility.
Capital & rounds (filed)filed
Mastec Inc has raised $294M in disclosed capital across 2 recorded rounds, aggregated from public filings. Its latest round is modeled as Series D+ (a $100M–$400M round).
Largest single filing: $194M on 2021-12-30.
Most recent recorded round closed around 2021-12-30.
Valuation (modeled)modeled
Provath models Mastec Inc at approximately $3.5B (range $1.0B–$6.5B). This is an algorithmic estimate from round sizes and same-niche peers — not a quoted or reported figure.
Too few comparable companies in this niche to rank the valuation fairly yet.
Financing rhythm & timingmixed
Historic cadence: a new round about every 49 months.
Last raise 4.5 yr ago; this sector typically re-raises about every 9 months.
Silent for over 3× the sector's normal cadence.
The last round stepped up 1.1× from the prior — scaling.
Comparablesmixed
Capital scale ranks ahead of 91% of Climate / Cleantech peers (207 compared).
Modeled value ranks above 93% of those peers.
Closest niche peers: Solugen, Inc., ChargePoint, Inc..
Peoplefiled
24 named people on file across officers, directors and signatories.
Risks & flagsmixed
Financing has been silent well beyond sector cadence — possibly defunct, acquired, or paused.
No clearly named CEO/founder/principal in the surfaced records — key-person evidence is thin.