"I have been a customer of Diamond Chemical for over 30 years. I have been able to rely on the sales staff to help with proposals for my customers as well as help with troubleshooting problems I have had encountered on the job"
A.G., Sweedesboro, NJ, Carpet/Floor Contractor

"I have been working with diamond Chemical for about 15 years. They have helped me with floor work, cleaning dilemmas, dishwasher problems and quick deliveries. They are always just a phone call away"
R.L., Wilmington, DE, Facilities Dir, Church

"I have known and worked with Diamond Chemical for over 30 years and have always found them to be responsive, helpful and have learned a lot about the jan/san business through their educational seminars and training sessions."
N.T. Elkton, MD, Custodial Supervisor, Manufacturing

"I am very impressed with all the staff at Diamond Chemical. They are always courteous, well-informed and professional. I really appreciate how they have taken the time to get to know my organization and our needs. I am a very, very satisfied customer."
M.S. Wilmington, DE, Dir.of Facilities, Community Support

"Diamond Chemical has provided Cleaning Supplies and Equipment for the past 10 years to our 500+ room hotel. Their service and integrity are unsurpassed and their ability to keep abreast of the latest innovations and technology has proven to be of great benefit to our cleaning process and bottom line expenditures.Their ability to guide our hotel in maintaining sustainability and conversion to biodegradable and green certified products has been of significant value to the Company."
J.L., Dover, DE, Dir of Purchasing, Hotel
Address: 524 S. Walnut Street Plaza, Wilmington, DE 19801       Phone: (302) 656-7786       Fax: (302) 656-3039       Email:
Diamond Chemical supplies industrial cleaning supplies, commercial cleaning supplies, and janitorial supplies in the Delaware, Philadelphia & New Jersey areas.