ABT 
PolyDrain, the most recognized name in trench drains, and ABT, the world leader in surface drainage solutions, provides engineered products to meet the complex requirements for wet processing, automotive facilities, industrial sites and storm water collection and filtration.
Armtec
The Armtec name is known for quality and dependability in drainage solutions and water treatment. We offer an exceptional range of products to meet a wide variety of drainage challenges. No matter the project specifications, we likely have the products our customers need. Our drainage products include HDPE pipe, Hel-Cor CSP and reinforced concrete pipe.
Balco 
Metagrate enhances the appearance of any area where an attractive drainage system is desired, such as fountains and plazas. Maximum tread spacing of ¼” (6mm) ensures pedestrian safety and concealed locking mechanisms keep grates secure. Balco can also customize radius section, such as serpentine creating a custom look. Our grates and frames are ADA compliant.
Boddingtons
BodPave™ 85 porous paving grids allow natural grass or gravel surfaces while offering heavy weight stabilization. The 100% recycled HDPE plastic cellular grids allow full natural rainwater infiltration. BodPave™ 85’s unique cell design retains additional moisture for vegetation while promoting lateral rhizomatous root growth to ensure healthy turf growth.
Invisible Structures
Grasspave2 and Gravelpave2 - best selling porous paving products. Reduce stormwater runoff, prevent non-point source pollution, remove toxic hydrocarbon drips, recharge groundwater supplies, earn LEED points, and provide long term cost savings over concrete and asphalt.
Jay R. Smith Mfg. Co.
Manufacturer of commercial plumbing and drainage products such as fixture supports, floor, roof and trench drains, cleanouts, interceptors, hydrants, backwater valves (Flood-Gate), Ultracept® Oil/Water Separator, Remediator® Grease Treatment System & other specialty plumbing products.
Mifab Manufacturing
Cast iron, polypropylene, fabricated steel and stainless steel trench drains. Custom fabrication is our specialty. All of MIFAB's iron trench drain grates are made from ductile iron to provide a greater load bearing capability than standard cast iron for no extra cost. Standard widths are 6" and 12" wide. Custom trench drains can be produced to any dimension.
MM Systems Corporation
Trench Grates - ADA compliant grating systems that offer an architectural alternative to traditional cast-iron gratings. Our water run-off collection systems are ideal for pool and plaza decks, green spaces and fountain surrounds. Available in aluminum or bronze with optional trench liners.
Presto Products Company
Presto's permeable, eco-friendly pavements offer aesthetics and design options to reflect any design style. GEOBLOCK® turf protection, GEOPAVE® stabilized aggregate and FILTERPAVE® hard-surfaced recycled glass. All pavements are made from recycled materials and contribute to LEED® credits for reducing stormwater runoff and the heat island effect.
Syracuse Castings
Syracuse Castings designs and manufactures cast iron manhole covers, steel drainage grates and access hatches for the construction and utility industries. We offer a complete line cast iron frames, drainage grates and manhole covers for all your project needs. Specifications and AutoCAD drawings available on our website.
Transpo Industries
EnviroSafe™ modular stormwater catch basin filter systems help municipalities and industries meet EPA NPDES-II rules. Lightweight filter cartridge offers high filtered flow rates (up to 110 gpm) and highly developed filtering technology targets a broad range of pollutants such as sediment, oils, metals, organics and bacteria. Aegis® antimicrobial shield counters mold and bacterial growth.
Victaulic Company of America
Since 1925, the world leader in grooved and plain-end mechanical pipe joining systems. Victaulic offers complete, start-to-finish solutions that anticipate a project’s every need. The Victaulic grooved-piping method accommodates most piping materials, including lightwall, standard and extra-heavy duty steel, stainless, aluminum, ABS and other plastics, as well as underground-and waste-treatment process piping. ISO 9001 certified.
Watts 
Since 1874 a leading manufacturer of water safety & flow control products, backflow prevention devices, water quality & conditioning products, specification drainage products, brass & tubular products, control valves, potable PEX plumbing products, Quick-Connect Push Fit Solutions, and Custom OEM Products.
See also:
32 1170 - Porous Pavement
33 0530 - Culverts, Manholes and Structures
33 4460 - Surface Drains (including trench drains)
ABT
PolyDrain, the most recognized name in trench drains, and ABT, the world leader in surface drainage solutions, provides engineered products to meet the complex requirements for wet processing, automotive facilities, industrial sites and storm water collection and filtration.
Armtec
The Armtec name is known for quality and dependability in drainage solutions and water treatment. We offer an exceptional range of products to meet a wide variety of drainage challenges. No matter the project specifications, we likely have the products our customers need. Our drainage products include HDPE pipe, Hel-Cor CSP and reinforced concrete pipe.
Balco
Metagrate enhances the appearance of any area where an attractive drainage system is desired, such as fountains and plazas. Maximum tread spacing of ¼” (6mm) ensures pedestrian safety and concealed locking mechanisms keep grates secure. Balco can also customize radius section, such as serpentine creating a custom look. Our grates and frames are ADA compliant.
Boddingtons
BodPave™ 85 porous paving grids allow natural grass or gravel surfaces while offering heavy weight stabilization. The 100% recycled HDPE plastic cellular grids allow full natural rainwater infiltration. BodPave™ 85’s unique cell design retains additional moisture for vegetation while promoting lateral rhizomatous root growth to ensure healthy turf growth.
Invisible Structures
Grasspave2 and Gravelpave2 - best selling porous paving products. Reduce stormwater runoff, prevent non-point source pollution, remove toxic hydrocarbon drips, recharge groundwater supplies, earn LEED points, and provide long term cost savings over concrete and asphalt.
Jay R. Smith Mfg. Co.
Manufacturer of commercial plumbing and drainage products such as fixture supports, floor, roof and trench drains, cleanouts, interceptors, hydrants, backwater valves (Flood-Gate), Ultracept® Oil/Water Separator, Remediator® Grease Treatment System & other specialty plumbing products.
Mifab Manufacturing
Cast iron, polypropylene, fabricated steel and stainless steel trench drains. Custom fabrication is our specialty. All of MIFAB's iron trench drain grates are made from ductile iron to provide a greater load bearing capability than standard cast iron for no extra cost. Standard widths are 6" and 12" wide. Custom trench drains can be produced to any dimension.
MM Systems Corporation
Trench Grates - ADA compliant grating systems that offer an architectural alternative to traditional cast-iron gratings. Our water run-off collection systems are ideal for pool and plaza decks, green spaces and fountain surrounds. Available in aluminum or bronze with optional trench liners.
Presto Products Company
Presto's permeable, eco-friendly pavements offer aesthetics and design options to reflect any design style. GEOBLOCK® turf protection, GEOPAVE® stabilized aggregate and FILTERPAVE® hard-surfaced recycled glass. All pavements are made from recycled materials and contribute to LEED® credits for reducing stormwater runoff and the heat island effect.
Syracuse Castings
Syracuse Castings designs and manufactures cast iron manhole covers, steel drainage grates and access hatches for the construction and utility industries. We offer a complete line cast iron frames, drainage grates and manhole covers for all your project needs. Specifications and AutoCAD drawings available on our website.
Transpo Industries
EnviroSafe™ modular stormwater catch basin filter systems help municipalities and industries meet EPA NPDES-II rules. Lightweight filter cartridge offers high filtered flow rates (up to 110 gpm) and highly developed filtering technology targets a broad range of pollutants such as sediment, oils, metals, organics and bacteria. Aegis® antimicrobial shield counters mold and bacterial growth.
Victaulic Company of America
Since 1925, the world leader in grooved and plain-end mechanical pipe joining systems. Victaulic offers complete, start-to-finish solutions that anticipate a project’s every need. The Victaulic grooved-piping method accommodates most piping materials, including lightwall, standard and extra-heavy duty steel, stainless, aluminum, ABS and other plastics, as well as underground-and waste-treatment process piping. ISO 9001 certified.
Watts
Since 1874 a leading manufacturer of water safety & flow control products, backflow prevention devices, water quality & conditioning products, specification drainage products, brass & tubular products, control valves, potable PEX plumbing products, Quick-Connect Push Fit Solutions, and Custom OEM Products.