ANSI Stands for American National Standards Institute, It is a standard for product so that product can be used worldwide. There are list of ANSI standard packages:-:
Quality management
Environmental management
IT security
Laser
Safety
Medical devices
Cerification
Radio Frequency and Distribution
ISO standard handbook
Road Vehicles
IEC series collection
Identify Theft
Construction
IEC redline standards
Electronics
X9 standard collection
ISO 26000
ISO packs
or many more........