Colonial Chemical, Inc. said it appointed Harcros Chemicals Inc. as its distributor for specialty products in select states in the U.S.    Under the agreement, Harcros Chemicals will also become a significant provider of service and application support in the covered regions. “With Harcros as our distributor, we increase our presence in major manufacturing areas in the Rockies, the West and the Heartlands,” said David Anderson, Jr., VP of sales and marketing for Colonial Chemical. “Our go...