Direct Metals Co., LLC - Kennesaw, GA
Distributor, Manufacturer, Custom Manufacturer
ISO 9001:2008 certified manufacturer of standard & custom bar grates including trench gratings. Various types also include flush top, heavy & light duty, riveted, rectangular, plank & I-bar gratings. Various materials include steel, stainless steel, aluminum, carbon steel & fiberglass reinforced plastic (FRP). On-time delivery.
Brand Names: DM
www.directmetals.com/dm/bar_grating.asp

McNichols Co. - Headquarters - Locations
Manufacturer, Custom Manufacturer
Manufacturer of gratings or grates for walkways, trenches and floors. Types include bar, plank, expanded, pultruded and molded gratings. Materials include galvanized, plain and stainless steel, aluminum and fiberglass. Available in various sizes and finishes.
www.mcnichols.com/products/grating/#none

Power Engineering Co., Inc. - Shrewsbury, MA
Distributor
Grip strut safety gratings in all materials & Bar gratings in steel, stainless, aluminum & fiberglass
www.powerstrut.com/gtg.htm

SlipNOT® Metal Safety Flooring, Div. of W.S. Molnar C - Detroit, MI
Distributor, Manufacturer, Custom Manufacturer, Service Company
Manufacturer of SlipNot® all-metal slip resistant coating that is applied to metal trench gratings made of steel, stainless steel & aluminum. The slip resistant surface is bonded to the bar gratings with at least 4,000 psi. Trench gratings are ideal for any slippery application that requires a permanent solutions. Markets served include automotive, bridges & transport, commercial, food processing, general, metal fabrication, metals & mining, military, oil & gas, steel mills, utilities & waste water treatment plants. Exceeds ANSI, ADA, NFPA & OSHA recommendations for slip resistance. UL approved.
Brand Names: Grip Grate, SlipNOT
www.slipnot.com/trench-grates/

All American Grating, Inc. - Pittsburgh, PA
Distributor, Manufacturer, Custom Manufacturer, Service Company
Manufacturer of trench gratings, angle frames, embedment angle frames, fiberglass grating, aluminum grating, W.W.T.P. gratings, design & engineering, galvanizing, sumps, highway inlets, Penn Dot approved inlets, bicycle safe grates, ADA approved grating.
www.aagrating.com/aagCatalog.pdf

Enviroscape ECM - Oakwood, OH
Distributor, Manufacturer
Manufacturer of inlet protection products for use trench grates. Products made for highway medians, curbs and gutter & yard inlets. Applications include prevention of street and highway flooding. Products are reusable, pedestrian & street sweeper traffic safe and mount to most grates and inlets.
www.enviroscapeecm.com/prod03.php

Haala Industries - Sleepy Eye, MN
Manufacturer, Custom Manufacturer, Service Company
Manufacturer of grates. Types include ladder, safety, barrel pipe, flared end vehicle safety, cone, pond skimmer, top mount, galvanized raised plate & bell end grates. Grate accessories include wedge anchors.
metalfabrication.haala.com/category/grates-...

Trench Grates Products
	Trench Storm Drain Channel & Grate

PEP Plastic Engineered Products Co. - Branchburg, NJ
Distributor, Manufacturer, Custom Manufacturer, Service Company
Manufacturer & distributor of standard & custom grates including replacement & floor sink trench grates. White polypropylene & PVC floor sink grates are available in 10 1/2 in. x 10 1/2 in. & 12 in. x 12 in. outlet sizes. Items are available in stock. 24/7 emergency service.
pep.pep-plastic.com/category/fiberglass-gra...

Nds, Inc. - Lindsay, CA
Manufacturer, Custom Manufacturer
Manufacturer Of Plastic Injection Molded Fabrications, Erosion Control, HVAC, Waterworks

Ironsmith,Inc - Palm Desert, CA
Distributor, Manufacturer
Tree Grates & Guards, Trench Grates, Bollards

South Bay Foundry, Inc - Santee, CA
Manufacturer, Custom Manufacturer
Manufacturer of trench grates.

Bass & Hays Foundry, Inc. - Grand Prairie, TX
Manufacturer, Custom Manufacturer
Manufacturer of ductile & gray iron castings. Products include manhole rings & covers, inlet rings & covers, trench frames & grates, area frames & grates, doors & hatches, meter & valve boxes. Flanges & risers for all applications. Large inventory.

ACO Polymer Products, Inc. - Chardon, OH
Manufacturer, Custom Manufacturer
Manufacturer of trench drain grates. A wide variety of grates in different materials (including non-metalic & corrosion resistant), slot configurations (including ADA compliant, Heelsafe & bicycle safe) & load ratings (from pedestrian to extra heavy airport & dock loadings). Grates are available in sizes to fit 2 in., 4 in., 8 in., 12 in. & 24 in. wide trench drains.

East Jordan Iron Works, Inc. - East Jordan, MI
Manufacturer, Custom Manufacturer
Manufacturer of ductile & gray iron castings, gratings & fire hydrants.

Sanderson Concrete - Surrey, BC
Manufacturer, Custom Manufacturer
Precast Concrete

Poma Corporation - West Palm Beach, FL
Manufacturer, Custom Manufacturer
Manufacturer Of Metal Railings

Balco, Inc. - Wichita, KS
Manufacturer
Manufacturer Of Expansion Joints

Alhambra Foundry Company, Ltd. - Alhambra, CA
Manufacturer, Custom Manufacturer
Manufacturer Of Gray Iron Ferrous Foundries

REB Storage Systems International - Chicago, IL
Distributor, Manufacturer, Custom Manufacturer
Custom manufacturer & distributor of metal gratings for trenches. Trench gratings are available in 36 in. L x 120 in. W dimension with 11 ga. to 16 ga. thickness & 72.1 lbs. to 144.3 lbs. weight. Made in USA.

Merican Safety Tread Co., Inc. - Helena, AL
Manufacturer, Custom Manufacturer
Manufacturer of trench grates.

Grating Pacific LLC - Los Alamitos, CA
Distributor, Manufacturer, Custom Manufacturer, Manufacturers' Rep
Manufacturer Of Ind. Flooring, Floor & Steel Plates; Distributor & Rep. Of Gratings

Peabody Engineering & Supply, Inc. - Corona, CA
Distributor, Manufacturer, Custom Manufacturer, Service Company
Manufacturer of trench gratings including floor, safety, & walkway gratings. Available in pultruded & molded types. Features include vinyl ester surface & unidirectionally aligned glass fiber bonded with resin. Molded grating composed of fiberglass rovings combined with a thermosetting resin series. Available i square & rectangular shapes.

Barnett Bates Corp. - Joliet, IL
Manufacturer, Custom Manufacturer, Manufacturers' Rep
Steel, Aluminum, Fiberglass, & Other Types Of Grating. Full Panels Or Fabrication To Customer Specs. All Finishes/Bar Spacings. Specializing In OEM Components

Holbrook Plastic Pipe Supply, Inc. - Holbrook, NY
Distributor, Custom Manufacturer
Pipe, Fittings, Valves, Pumps, Tanks, Supports, Hangers, Thermo-Plastics, Geotextiles Metals, PVC, Grooved, Flanged, Threaded, Industrial & Chemical

MM Systems Corp. - Pendergrass, GA
Manufacturer
Architectural Metal Fabrications, Expansion Joints, Column Covers; Trench Grates, Frames & Access Covers; Fascia, Coping