American Bureau of Shipping

American Bureau of Shipping

ABS establishes and administers standards for the design, construction and operational maintenance of marine vessels and structures.


American National Services Institute (ANSI)

American National Services Institute (ANSI)

This private, non-profit organization administers and coordinates U.S. voluntary standard and conformity assessment system.



American Society of Mechanical Engineers

This non-profit educational and technical organization serves 125,000 members worldwide.



Cole Parmer

Use this database to help determine which materials are best suited for your applications.



Here you will find interactive calculators for many commonly used measurement systems like metric, U.S. Avoir du pois and exotics like Ancient Greek and Roman.



Environmental Protection Agency

The mission of this U.S. agency is to protect human health and safeguard natural resources.



NEMA Enclosure Types

Your source for general information on the definitions of NEMA Enclosure Types (e.g. NEMA 1, NEMA 4X, NEMA 7, etc.). NEMA promotes safety in the manufacture and use of electrical products.


Newark InOne

Gems proudly partners with Newark InOne, distributor of electronic components and value added services. Newark InOne's huge inventory and access to millions of the best brand name electronic products is complemented by a wide range of time saving services that can be tailored to individual needs.



The mission of the Occupational Safety & Health Administration is to save lives, prevent injuries and protect the health of American workers.



Underwriters Laboratory Inc.

Underwriters Laboratory Inc. is an independent, not-for-profit product safety, testing and certification organization.