Best Fab Tanks

AN ARMSTRONG COMPANY

Best Fab designs and manufactures custom tanks for recreational, commercial, government, and specialty marine applications. We support individual replacement tanks, prototypes, and ongoing OEM production programs.

Industries We Serve

Jay & Kay supports OEMs and manufacturers across marine, heavy truck, entertainment, and specialty product markets with lightweight aluminum fabrication and repeatable production capabilities.

  • MARINE FUEL TANKS

    Custom aluminum fuel tanks designed around the vessel, fuel system, available space, and installation requirements.

    • Gasoline fuel tanks
    • Diesel fuel tanks
    • Custom shapes and capacities
    • Replacement tanks
    • New-construction tanks
    • OEM production tanks
    • Commercial and patrol-vessel tanks
    • Integrated fittings and fill connections
    • Sending-unit provisions
    • Inspection and access ports
    • Internal baffles and structural components
  • WATER, HOLDING, & OIL TANKS

    Best Fab also manufactures application-specific storage tanks, including:

    • Freshwater tanks
    • Waste and holding tanks
    • Oil tanks
    • Auxiliary fluid tanks
    • Aluminum tanks
    • Stainless steel tanks
    • Custom fitting and access configurations
  • REPLACEMENT MARINE TANKS

    Customers can provide an existing tank, drawing, template, measurements, or photographs of the installation area.

    For replacement tank quotes, provide:

    • Overall dimensions
    • Required capacity
    • Material
    • Fuel or fluid type
    • Fitting sizes and locations
    • Fill, vent, pickup, and return locations
    • Sending-unit information
    • Photos of the current tank
    • Photos of the installation area
    • Boat manufacturer, model, and year

Tank Design and Engineering Support


Best Fab can work from:

  • Customer drawings
  • CAD files
  • Existing tanks
  • Templates
  • Hand sketches
  • Vessel measurements
  • Application requirements

Engineering support may include:

  • Tank layout
  • Capacity review
  • Dimensional review
  • Fitting placement
  • Sending-unit placement
  • Baffle configuration
  • Material recommendations
  • Installation-clearance review
  • Production-ready drawings
  • Design-for-manufacturing support

Testing and Quality


Every Best Fab tank is built with a focus on fit, function, durability, and consistency. Throughout the manufacturing process, our team inspects critical dimensions, fittings, welds, and overall construction to help ensure each tank meets the requirements of the project before it leaves our facility.

For OEM and repeat-production programs, these processes help maintain consistency from one tank to the next while supporting reliable fit and installation.

Quality checks may include:

  • Pressure and leak testing
  • Weld inspection
  • Dimensional inspection
  • Fitting verification
  • Drawing and specification review
  • Production quality controls
  • Required certification documentation

Standards and Certifications


Best Fab manufactures tanks for a wide range of recreational, commercial, government, and specialty marine applications. Depending on the vessel, tank type, destination, and intended use, a project may need to comply with specific industry standards, regulatory requirements, or third-party certification criteria.

Our team can work with project requirements associated with:

  • ABYC
  • NMMA
  • ISO 10088
  • CE and IMCI
  • United States Coast Guard requirements
  • Lloyd’s Register
  • Commercial and government vessel specifications

Start Your Tank Project

Submit your tank information, drawings, photos, and application requirements for review.

Have a specific certification or compliance requirement?

Include it with your drawings and project information during the quotation process so our team can review the requirements before production.