Adaro Tecnologia, S.A.: Manufacturer of mining cap lamps and safety rechargeable torches with Nickel Cadmium and Nickel Metal Hidride batteries.Growers Supplies: Suppliers of Koehler cap lamps and lanterns , batteries and battery accessories. Authorized service provider.J K Dey & Sons: Manufacturer of mining safety lamps, torches and other mining related equipment from India.Jannatec Radio Technologies: Supplier & manufacturer of rechargeable radio cap lamps. NiMH battery technology for greater safety. Produces & sells cap lamp maintenance and tracking software.N L Technologies Inc.: Manufactures rechargeable cap lamp systems. Models for 6, 8, 10, and 12 hour shifts. Modular design. Nicad battery technology.