MILLBURN, NJ — Kason Corp. has acquired Kek-Gardner Ltd., a UK-based manufacturer of sifting, mixing and size-reduction equipment.

Charles Ross & Son Co., a manufacturer of industrial mixing equipment, has promoted Engineering Manager Thomas DiGiannurio to Vice-President, Engineering.

Custom Milling & Consulting Inc., Fleetwood, PA, has added Disperse Tech Inc. and Major Equipment Co. as regional sales representatives.