With over 80 years of experience, Diamond Chemical is one of the largest privately owned national cleaning and sanitizing product companies in the United States. We are a manufacturer of laundry, warewash, floor care, housekeeping, sanitizing, organic intermediates, vehicle care, and other industrial and institutional products. Diamond Chemical Co., Inc. maintains its corporate headquarters in East Rutherford, N.J. Diamond's facility is situated on 12 acres and contains an approximately 150,000 ...