Mayville Engineering Company (MEC) reported a 10.7% increase in net sales for Q4 2025, driven by the Accu-Fab acquisition and growth in Data Center & Critical Power. However, the company faced a net loss of $4.4 million due to project launch costs, early-stage inefficiencies in commercial vehicle projects, and higher interest expenses.
Net sales grew 10.7% year-over-year to $134.3 million, primarily due to the Accu-Fab acquisition.
Data Center & Critical Power end market saw significant growth, with organic sales up 12.7% and $15 million in new project awards.
Profitability was pressured by $1.2 million in data center launch costs and $1.7 million in commercial vehicle project inefficiencies.
The company introduced quarterly guidance to provide better visibility into fast-moving data center infrastructure trends.
MEC expects full-year 2026 net sales between $580 million and $620 million, with growth driven by Accu-Fab synergies and data center expansion.
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