AMICO Grating
AMICO produces a complement of high quality products, such as expanded metal, expanded metal grating, bar grating, safety grating, and fiberglass grating. Across the U.S. and Canada , AMICO is nearby to serve your needs
http://amico-grating.com/

Klemp Grating
Klemp Corporation manufactures an extensive line of bar gratings, including steel and fiberglass grating, to meet the needs of industrial and infrastructure projects
http://www.klempgrating.com

Metals, Inc.
Metal Fabricating
http://www.metals-inc.com/

IKG Industries
IKG has pioneered grating industry solutions for nearly 100 years ago and continues to be one of the world’s leading producers of a broad range of high quality steel bar grating and aluminum bar grating.
http://www.ikgindustries.com/

Morton Manufacturing
Manufacture of safety grating, railroad grating and custom products.
http://www.mortonmfg.com

American Grating
Manufacturer of molded and pultruded reinforced grating of fiberglass and phenolic also makes stairtreads and handrails.
http://www.amgrating.com

G-Clips Grating Fasteners Inc.
Grating Fasteners, Inc. G-Clips are used to attach grating materials to structural members. They are applied with simple hand tools -- no power tools needed. G-Clips are a low cost, fast and dependable way to fasten grating without damaging coatings, paint or beams.
http://www.gclips.com

Koheras
Manufactures Bragg grating based fiber DFB lasers.
http://www.koheras.com

Fibregrid Ltd.
fibreglass grating and fibreglass gratings from FibreGrid UK who also supply fibreglass non slip stear tread and antislip stear treads, also other fibreglass products
http://www.fibregrid.com/

HuaXiang Frp Co Ltd.
China. Manufacture FRP grating, mainly to US. Also flowerpots and other Glass/UP parts
http://www.hx-frp.com