Philips Electronics
Low power dual operational amplifiers
Cadeka Microcircuits LLC.
Low Power, 3V to 36V, Single/Dual/Quad Amplifers
Estek Electronics Co. Ltd
Dual Operational Amplifiers
ON Semiconductor
Single Supply Dual Operational Amplifiers
Intersil
Dual, 1MHz, Operational Amplifiers for Commercial Industrial, and Military Applications
Shenzhen Luguang Electronic Technology Co., Ltd
Single Supply Dual Operational Amplifiers