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DN Tanks
DYK engineeres, builds or prestresses low maintenance prestressed concrete tanks with greater seismic reliability, less leakage , low maintenance and longer life spans for municipal, industrial, and commercial users.
Web Site
Industry Category / Asset Type
Company - Construction/Trades
Local Address & Phone
351 Cypress Lane      [map]
El CajonCA (California)  92020
San Diego  County / Region
United States
(619) 440-8181
Toll Free Phone
(855) 368-2657
(619) 440-8919
Mailing Address
P.O. Box 696  
El CajonCA (California)  92022
United States
Dyk Incorporated    Columbia , MD (Maryland)   United States
Dyk Incorporated    Doha ,    Qatar
Key Personnel
Max  Dykemans
Industry Codes
North American Industry Classification System
327390   -   Other Concrete Product Manufacturing
Unique Capabilities

Services include:

  • Professional Design
  • Prestressing Equipment
  • Hydro-Blasting
  • Automated Shotcreting
  • Plastic Wrapping
  • Vertical Prestressing
  • Construction

DYK tanks:

  • use proven technology, engineering and quality construction
  • have ranged in size from 80,000-gallons to 35,000,000-gallons in capacity
  • easily withstand extreme environmental conditions—heat, cold, and earthquakes—above and below ground
  • set the standard for durable and reliable liquid storage
  • are built to last over 100 years with little maintenance
  • can be fully buried and topped with gardens, playgrounds, tennis courts, cul-de-sacs, or other community needs or
  • can be architecturally disguised
Applied Technology

DYK Incorporated is the undisputed leader in developing and applying state-of-the-art technology to the design and construction of prestressed concrete tanks. This technology allows construction of a higher quality, more durable tank in less time.

DYK "Firsts": DYK holds claim to many firsts in the wrapped tank industry. These "firsts" show how time and time again, DYK leads the tank industry:

  • First to wrap seven-wire strand instead of single wire for higher productivity
  • First to routinely use galvanized prestressing for longest durability
  • First to use sophisticated electronic control and monitoring of prestressing to ensure accuracy
  • First to provide continuous electronic recording of the prestressing forces to verify accuracy
  • First to use automated wet-mix shotcrete for greater consistency, productivity and quality
Customer Base
Industry Sector(s)
  • Construction & Construction Materials
  • Environmental
  • Government/Public Sector/Non-Profits
Geographic Area
  • Nationwide
Affiliation & Awards
  • DYK has received 25 national awards for "Outstanding Architectural Treatment or Environmental Consideration" from the Portland Cement Association.
  • DYK won "The National American Public Works Association Award for "Public Works Project of the Year over $10 Million."
  • DYK has received awards from the Associated General Contractors, American Public Works Association and the American Society of Civil Engineers at the State or Section level and numerous other awards at the local level.

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