J&D Manufacturing, Inc.

J&D Manufacturing, Inc. is a family-owned American manufacturer of ventilation and environmental-control products for agricultural, greenhouse, and industrial facilities. Its offerings include fans and related systems for dairy, poultry, swine, and greenhouse applications, along with products such as freestalls, headlocks, curtains, cow brushes, and light-deprivation systems. J&D serves new-build and retrofit needs and provides product-selection resources for agricultural fans.