Diamond Chemical acquires Nyco Products to grow US cleaning chemicals reach

What's the deal? Diamond ChemicalDealroom has a profile for this one. Try Dealroom →, backed by private equity firm Graycliff Partners, has acquired Nyco Products in an add-on deal that extends its national footprint in commercial cleaning chemicals. Both companies are based in Illinois. Financial terms were not disclosed.

The transaction was led by Matt Smith at Graycliff Partners.

Why now? The deal fits a broader pattern of PE-backed platform companies using add-on acquisitions to consolidate fragmented specialty chemicals markets. Commercial cleaning chemicals remain a steady, recession-resistant category — making bolt-on growth an efficient way to build scale and distribution without organic expansion timelines.

The signal: Both Diamond Chemical and Nyco Products are mature businesses, making this a textbook PE roll-up play — combining established, cash-generating regional operators into a single national platform. Graycliff's strategy of bolting on proven brands rather than betting on early-stage growth reflects the risk-averse, margin-focused approach that continues to dominate specialty chemicals dealmaking.

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