Established in 1948, Microwave Development Laboratories Inc. is the largest independent producer of waveguide and subassembli ... es in the microwave industry. MDL’s products serve a wide range of industries including military, aerospace, satcom, electronics and medical markets. The engineering team works closely with customers to design, manufacture and implement components quickly and accurately. MDL is ISO 9001:2008, AS 9100:2009, and ITAR registered. read more