News

October 1, 2026

July 16, 2026Diamond Chemical is pleased to announce the acquisition of WeChem, Inc., a specialty chemical manufacturer headquartered in Harahan, Louisiana. Diamond Chemical is pleased to announce the acquisition of WeChem, Inc., a specialty chemical manufacturer headquartered in Harahan, Louisiana. Founded in 1972, Wechem, Inc. serves industrial, commercial, and MRO markets, including utilities, petrochemical, and…

May 1, 2026 DiamondChem has officially acquired Nyco Products Company, uniting two historic businesses with over 200 years of combined industry experience.By bringing together our coastal operations with Nyco’s impressive Midwest manufacturing footprint, we are creating a truly national provider of commercial, institutional, industrial cleaning solutions and specialty chemical products. But beyond the operational expansion,…

October 6, 2025 Diamond Chemical Company, LLC, a leading manufacturer of industrial and institutional cleaning solutions, is pleased to announce the appointment of Wesley Alves as Chief Executive Officer. Mr. Alves will become the first non-family member to lead DiamondChem, succeeding Harold Diamond, who will continue to serve as a partner and strategic advisor to the company…

June 2024 Starco Chemical A Division of DiamondChem Co., LLC. of East Rutherford, New Jersey, a national manufacturer of laundry, warewash, floor care, housekeeping, disinfecting, and sanitizing products, organic intermediates and industrial products is pleased to announce the return of Tom Strnad as Vice President Sales. Tom’s wealth of expertise in our industry and leadership skills uniquely positions him…

The Starco Team at the ISSA Show in Las Vegas.  Team members displayed our high quality Starco products and visited with customers and prospects.  Everyone had a great time working together.  Thank you for participating. 

Diamond Chemical and Unitex Textile held their 2nd annual fun ride. Riders from both companies met at Table 9 restaurant in Cortlandt, NY and had lunch. James Ireland (Director of Engineering, Diamond) answered questions on the chemical systems and the Unitex engineers commented on how well they liked them.  It was nice having a meeting…

Susan Cabri and Daniel Alvarez enjoying this wonderful treat Susan put together to celebrate the end of summer. Mr. Softee served about 125 team members.  Thank you Susan!! P.S. Next truck = Taco Tuesday???

For Immediate Release: August – 2023 DiamondChem COMPANY LLC. of East Rutherford New Jersey, a national manufacturer of laundry, warewash, floor care, housekeeping, disinfecting and sanitizing products, organic intermediates and industrial products, is pleased to announce the addition of Matthew Merrick as National Technical Service Manager – Laundry Group. Matthew comes to the Diamond team as…

DiamondChem is proud to have been awarded a certificate of Environmental Stewardship by the New Jersey Department of Environmental Protection for our ongoing commitment to solar energy and the environment.