How do i contact dn tanks? About us. DN Tanks has three (3) operations centers and eight (8) offices throughout the United States and abroad. Please feel free to contact us at any of our locations: U.S. OPERATIONAL CENTERS: • East Operations Center 11 Teal Road Wakefield, MA 01880 781.246.1133 • Central Operations Center 410 East Trinity Boulevard Grand Prairie,...Who is dndn tanks? DN Tanks specializes in the design and construction of AWWA D110 prestressed concrete tanks used for potable water, wastewater, chilled water for the Thermal Energy Storage (TES) process and other liquids. With over 90 years of experience, and over 3,000 tanks ranging in capacity from 40,000 gallons to 50 million gallons.Is dndn tanks an equal opportunity employer? DN Tanks is An Equal Opportunity/Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or veteran status, age or any other federally protected class.What are the core values of dn tanks? A DN Tanks employee embraces these core values: Caring, Communication, Innovation & Ingenuity, Passion, Professional Excellence, Teamwork, and Safety. DN Tanks is an EEO/AA/M/F/Vet/Disability Employer.