About This Deal

Enpro Industries acquired Alluxa, Inc. for $255 million, inclusive of rollover equity, a transaction completed in October 2020, structured as combination (cash plus rollover equity).

Alluxa, Inc. operates in Advanced Surface Technologies, is based in Santa Rosa, California, USA. Alluxa is a privately held, California-based industrial technology company that provides specialized optical filters and thin-film coatings for the most challenging applications in high-growth markets. Founded in 2007 and headquartered in Santa Rosa, California, Alluxa has two California locations and 76 employees, with international reach serving customers across the Americas, Europe, and Asia. Its proprietary platform includes the SIRRUS automated plasma deposition software.

Strengthens and expands EnPro's materials science exposure in specialty optical filters and thin-film coatings technology, bolstering EnPro's existing thin-film product offering with a focus on serving the most challenging applications in high-growth markets, primarily industrial technology, life sciences, and semiconductor.

Compelling financial profile with an attractive revenue and margin profile and 17 quarters of consecutive revenue growth; proprietary technology platform with a highly differentiated product suite and an experienced management team. Adds proprietary technology, processes and capabilities that complement EnPro's existing thin-film product offering and broaden its advanced-technology presence. Advanced Surface Technologies

Deal Terms

Acquirer
Enpro Industries
Target
Alluxa, Inc.
Value
$255 million, inclusive of rollover equity
Date
October 2020
Type
Full acquisition
Status
Ready

Transaction Details

Target HQ
Santa Rosa, California, USA
Segment
Advanced Surface Technologies
Structure
combination (cash plus rollover equity)
Announced
September 28, 2020
Closed
October 26, 2020
Synergies
Adds proprietary technology, processes and capabilities that complement EnPro's existing thin-film product offering and broaden its advanced-technology presence.

In Their Words

Alluxa is recognized as a leader in specialty optical filters and thin-film coatings technology and complements our growing advanced technology presence.Marvin Riley, President and Chief Executive Officer, EnPro
This is the beginning of an exciting new chapter for Alluxa, and we are thrilled to join the EnPro family of companies.Mike Scobey, Founder, Chief Executive Officer, and Chief Technology Officer, Alluxa

Advisors

Advisory firms were not disclosed for this transaction.

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Sources: Press release ↗ · SEC filing ↗ · Last updated June 10, 2026

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