---
schema_version: "secwatch.filing_event.v1"
accession: "0001628280-23-036226"
form_type: "8-K"
ticker: "LMB"
cik: "0001606163"
company_name: "Limbach Holdings, Inc."
filed_at: "2023-11-02T23:59:59+00:00"
generated_at: "2026-06-09T00:24:11.737256+00:00"
event_type: "m_and_a"
sentiment: "positive"
materiality_score: 0.7
calibrated_materiality_score: 0.7
confidence: "high"
source: SEC EDGAR
---

# Limbach buys Industrial Air for $13.5M cash plus up to $6.5M earnout

## Summary
- Acquired Industrial Air, a Greensboro NC specialty mechanical contractor, for $13.5M cash at close.
- Performance-based earnout of up to $6.5M payable over two years; total consideration may reach $20.0M.
- IA expected to contribute ~$30M annual revenue and ~$4M EBITDA; impact on 2023 minimal, more in 2024.
- IA serves industrial customers with air handling and filtration, particularly textile industry mission-critical needs.
- Deal establishes Limbach's presence in the Carolinas, aligns with ODR-heavy model and cultural fit.

## SEC filing metadata
- accession: 0001628280-23-036226
- form_type: 8-K
- ticker: LMB
- cik: 0001606163
- company_name: Limbach Holdings, Inc.
- filed_at: 2023-11-02T23:59:59+00:00
- event_type: m_and_a
- sentiment: positive
- materiality_score: 0.7
- calibrated_materiality_score: 0.7
- confidence: high
- sec_items: 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1606163/000162828023036226/0001628280-23-036226-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1606163/000162828023036226/lmb-20231101.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001628280-23-036226
- JSON: https://secwatch.observer/filing/0001628280-23-036226.json
- Plain text: https://secwatch.observer/filing/0001628280-23-036226.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.