Excelitas Technologies Corp., a provider of customized photonic solutions, has completed the acquisition of Axsun Technologies, Billerica, Massachusetts.

RPM International Inc. announced that its Rust-Oleum group has acquired Siamons International Inc., provider of the Concrobium brand of non-toxic specialty mold cleaners.

Akzo Nobel N.V. has closed the acquisition of Swire Industrial Limited's minority interest in the AkzoNobel Swire Paints (ANSP) joint venture.

Meridian Adhesives Group announced the acquisition of Evans Adhesive Corp., a leading manufacturer of industrial adhesives headquartered in Columbus, Ohio.

Troy Corp., Florham Park, New Jersey, announced that it has completed the acquisition of DBM Blending B.V.

Private equity investment firm Golden Gate Capital has completed the acquisition of Active Minerals International LLC from Merit Capital Partners.

CPS Performance Materials has acquired FAR Chemical from Edgewater Capital Partners.

Specialty chemical manufacturer MFG Chemical has acquired Gulf Bayport Chemicals LP.

Chromaflo Technologies, Ashtabula, Ohio, announced the acquisition of Central de Colores Plásticos' (CECOPLAS) colorants business.

AkzoNobel has strengthened its business in Asia by acquiring 100% of the shares in Colourland Paints Sdn Bhd and Colourland Paints (Marketing) Sdn Bhd, both referred to as Colourland Paints.