Assmann Corporation of America

300 N. Taylor Rd.
Garrett, IN 46738

Phone: View Phone Number888-357-3181
Fax: View Fax Number888-826-5329

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Company Description:

Assmann Manufactures Polyethylene and Plastic Storage Tanks, Basins and Containers


Assmann Corporation of America manufactures polyethylene chemical storage tanks and containers with capacities ranging from 40 to 12,000 gallons, including a variety of chemical feed stations, secondary containment basins and base containers for IBCs. Our facilities in Garrett, Indiana and Marshall, Texas produce superior quality corrosion resistant products.  From these locations, we can ship efficiently with on-time delivery anywhere in North America.


Assmann’s capabilities include all necessary secondary processing such as fittings, vents, fill lines, heat tracing, and insulation. We also are equipped to produce auxiliary metalwork such as cradles, supports, and stands as needed.


Assmann storage tanks and containers are constructed from virgin high-density crosslink or FDA-compliant linear polyethylene and are used to store and feed corrosive and hazardous materials. All are rotationally molded in seamless, uniformly thick, one-piece construction. Assmann linear polyethylene tanks are certified by NSF to NSF/ANSI Standard 61: Drinking Water System Components – Health Effects. The Certification is for multiple potable water contact materials. Assmann’s High-density crosslink resin tanks are also certified by NSF for chemical storage. Assmann’s Crosslink XL-350 resin is the only Crosslink material certified by NSF for chemical storage.


 Assmann’s ISO 9001; 2015 quality management system makes them unique in that they are the only polyethylene chemical storage tank manufacturer that meets the high demand of the ISO standard.

Assmann’s line of products includes vertical, double wall, conical bottom, horizontal and miscellaneous storage tanks, secondary containments basins, IBC base containers, chemical feed stations, piston bins and tank accessories, as well as custom molded products. Assmann also offers a Full Drain Outlet (FDO) assembly that is available on tanks of 2,500 gallons and larger to drain tanks without mechanically installed nozzles.


We provide high quality, cost-effective storage tanks, containers, secondary containment basins and tank accessories to meet your most demanding wastewater or chemical storage problems. Our friendly engineering and sales staff is ready to work with you to provide innovative solutions including any custom molding you may need.


·         Vertical storage tanks are molded from virgin high density crosslink or linear polyethylene with capacities from 40 to 12,000 gallons. Vertical tanks are one-piece seamless molded units, designed with wall thicknesses conforming to ASTM D-1998 standards for liquid storage and have narrow diameters for space-saving in-plant use. They possess excellent low temperature impact resistance and are U.V. stabilized.

·         The Full Drain Outlet (FDO) assembly, patent pending, for tanks of 2,500 gallons and larger, drains tanks without mechanically installed nozzles and can be utilized where heavy solids or salts may accumulate in the bottom.  Helps eliminate difficult maintenance work, stands up to virtually any service condition and is available with multiple expansion joint options.

·         Double wall tanks provide protection against hazardous chemical spills with a primary inner tank and a secondary locked on outer tank.  Assmann’s molding process provides a heavier-top sidewall and dome to prevent dome collapse.

·         Base Container BC450 double wall rectangular, low profile, chemical storage tank holds 450 US gallons, allowing IBC containers to be quickly emptied.


·         Conical bottom tanks are seamless molded one piece units with a molded-in, funnel shaped conical bottom with 30° or 45° slope.

·         Cylindrical, horizontal polyethylene storage tanks in various configurations and capacities from 25 to 2500 gallons are available. Free standing horizontal leg tanks are also available from 55 to 500 gallons.

·         Feed stations are available from 40 to 550 gallons for storing small amounts of liquids and other chemicals. They are lightweight, strong and easy to handle.

·         Rectangular secondary containment basins are offered for chemical storage and feature a tapered design for nesting during shipping. Capacities are available from 40 to 3500 gallons.

·         A variety of tank accessories:

o   Flange Fittings to connect inlet or drainage pluming through the wall of the tanks.

o   Bulkhead fittings are tank to plumbing connections for plastic tanks.

o   Vent assemblies from 2 in to 6 in sizes.

o   Leak detection

o   Tank Heat Tracing and Insulation to maintain temperature sensitive liquid levels.

o   Double Wall Tank Accessories

o   And more.


Manufacturing facilities in Garrett, IN and Marshall, TX. For more information, contact Assmann Corporation of America, 300 N. Taylor Road, Garrett, IN 46738. Phone: 888-357-3181, Fax: 888- 826-5329 (TANK-FAX). Website: E-mail:

Product Information:
PREVENT CHEMICAL SPILLS WITH DOUBLE WALL TANKS Assmann double wall tanks, from 20 to 8850 U.S. gallons, eliminate chemical spills without the expense of lined concrete containment. A heavier-top sidewall and dome prevent dome collapse, while a primary inner tank and a secondary locked on outer tank ensures against chemical spills. Linear polyethylene tanks are certified by NSF to NSF/ANSI Standard 61, while high-density crosslink resin tanks are certified by NSF for chemical storage.

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