Ferrite Core, EMI Shielding, EMI Gasket, EMI Tape, EMI Absorbers. INTERMARK (USA), INC. is committed to continue its efforts to support the customers, meet their requirements, and supply the best products able to provide effective solutions for the increased level of EMI shielding required today by the new international EMC regulations for computers and office machines, telecommunication systems, local area networking, medical electronic devices, digital imaging systems, automotive and aircraft equipment.