August 2012 - DGI Supply, Wheeling, Ill., acquired metal cutting and industrial tool supplier K & H Sales Inc., San Leandro, Calif. Gary Walker, president of K & H, will continue to manage the company. K & H has been selling industrial tools and supplies from its three California locations for more than 60 years. An industrial distributor, DGI Supply is an arm of DoAll Co., also based in Wheeling, Ill.