1. Advantech Microsystems 1508 W Sealy St, Alvin, TX 77511 Coordinate: 29.42359,-95.25924 Phone: (281) 682-5586
2. Polar Computer Service 728 Dezso Dr, Alvin, TX 77511 Coordinate: 29.4167,-95.23588 Phone: (281) 331-0267