Crown/Tonka Walk-Ins - Plymouth, MN
Manufacturer, Custom Manufacturer
Manufacturer of insulated panel systems & modular shelter & enclosure systems for various industries including telecommunications, military, environmental, food service, industrial, utilities. Equipment enclosures, temporary buildings, portable buildings, clean rooms, standard & custom designs.

Herold U.S - Plymouth, MN
Distributor, Custom Manufacturer, Service Company
ISO 9001:2000 certified distributor & service for pre-packaged & prefabricated cooling towers. Components & controls. Cross & counter flow cooling towers, as well as specialized water treatment devices for open & closed type cooling water. Tower capacities range from 8 to 1500 tons, with piping connections centralized in the bottom part on all models. Lightweight molded towers are made of engineered FPR (Fiberglass Reinforced Polyester). Features include corrosion resistance, weather proof & insulating properties.