Merrimac Industrial Sales sells a variety of boxes and cabinets, including non-metallic and hazardous location models from manufacturers such as Killark, Carlon, Hammond, Rittal, and Noren.

Altech Corp manufactures a variety of industrial enclosures, boxes and cabinets, including small to medium size enclosures, enclosures with transparent doors, junction box enclosures and medium to large size enclosures made from polycarbonate, designed to withstand dusty and wet environments.

Automation Direct manufactures NEMA electrical enclosures and industrial cabinets including metallic and non-metallic enclosures, electrical enclosures and industrial cabinets as well as a variety of disconnect enclosures such as wall mount, floor mount and free standing models.

Fibox Enclosures makes a very wide line of RoHS compliant corrosion resistance enclosures, including customized and standard sized models, boxes and cabinets. Some types include panel mount, non-metallic enclosures, hazardous location enclosures, and NEMA spec enclosures.

Vynckier Enclosure Systems makes a variety of enclosures and cabinets, large and small, including junction boxes, NEMA-spec enclosures, non-metallic enclosures and DIN-rail enclosure systems.