Views: 0 Author: Site Editor Publish Time: 2025-08-21 Origin: Site
The top 10 manhole cover grating manufacturers and suppliers in the USA are EJ Group, Neenah Foundry, Bass & Hays Foundry, Manhole Covers Direct, Hamilton Kent, Jensen Precast, Sealing Systems, CNI Manufacturing, Underground Devices, and Everlast Composite LLP. Good suppliers help cities and workers keep roads, sidewalks, and utility systems safe. The United States manhole cover grating market was worth about USD 800 million in 2022. Experts think the market will keep growing until 2030 because people want stronger infrastructure solutions.
The USA has some of the best manhole cover grating suppliers. They are known for making strong, safe, and long-lasting products. These products are used in busy places like airports and city streets. - Manufacturers use different materials like cast iron, ductile iron, steel, aluminum, and advanced composites. This helps them meet many project needs. - Many suppliers have important certifications like ASTM, AASHTO, and ISO. These certifications help make sure their products are safe and high quality. - Picking the right supplier depends on what your project needs. You should think about load capacity, material type, size, and special features. Some features are watertight seals or custom designs. - Good suppliers ship products quickly and give technical support. They also offer custom solutions. This helps projects stay safe, last longer, and save money over time.
EJ Group, Inc. is in Michigan. They are a leader in the manhole cover grating industry. The company uses old foundry skills and new composite material technology. EJ makes cast iron covers and lightweight composite covers. One example is the DUROSTREET® heavy duty composite access assembly. Their products work for airports and seaports. These places need strong covers. EJ works with research partners to make certified composite covers. These covers are easier to move and use. The company cares about safety and new ideas. This makes EJ a top pick for tough infrastructure projects.
Neenah Foundry is in Wisconsin. They have a good reputation for manhole cover grating products. The company sells manhole frames and covers. They also sell inlet frames and grates, trench frames and grates, and special products. Some examples are controlled pressure release and InfraLOCK manhole covers. Neenah Foundry’s products are used in busy places. Airports and city streets use their covers. The company cares about safety and durability. They follow strict rules to make sure their products work well.
Bass & Hays Foundry, Inc. is in Texas. They have a long history in ductile and gray iron castings. Since 1958, they have made iron castings for manhole rings and covers. They also make inlet rings and covers, trench frames and grates, and more. Bass & Hays keeps a big inventory. This helps them send products fast. Their products meet ASTM and AASHTO standards. They also have Build America Buy America and LEED certifications. The company cares about American-made quality and the environment. This makes Bass & Hays special in the manhole cover grating market.
Manhole Covers Direct is in South Carolina. They make fiberglass reinforced composite products. The company uses Fiberglass Reinforced Plastic (FRP) and Bulk Molding Compound (BMC). These materials make grating that does not rust, resists fire, and is light. Their products are good for factories and other tough places. Manhole Covers Direct uses molding and hand paste methods. This makes strong and safe grating for walkways, platforms, and drainage covers. They use advanced materials. This makes them a popular choice for new infrastructure projects.
Hamilton Kent Inc. is in Ohio. They sell many infrastructure products, including manhole cover grating solutions. The company uses rubber and composite materials. Their products help seal and protect underground systems. Hamilton Kent’s products stop water from getting in. This helps manhole assemblies last longer. Their solutions work for new buildings and repairs. Cities and contractors trust Hamilton Kent.
Jensen Precast is in Nevada. They make precast concrete products, including manhole covers and gratings. The company serves customers in the western United States. Jensen Precast’s products are strong and can hold heavy loads. Their manhole cover grating solutions work for highways, airports, and utility projects. Jensen Precast cares about quality and customer service. This has helped them become a top supplier in the area.
Sealing Systems, Inc. is in Minnesota. They make products that protect and seal manhole assemblies. The company offers solutions that stop leaks. This helps underground infrastructure last longer. Sealing Systems sells manhole cover grating accessories and sealing products. These help cities keep utility systems safe and reliable. The company likes new ideas and solving problems. This makes them helpful for public works departments.
CNI Manufacturing, Inc. is in Illinois. They make custom metal products, including manhole cover grating. The company uses steel, aluminum, and other metals. They make covers and frames for special project needs. CNI can make custom solutions for many industries. Utilities and transportation companies use their products. The company cares about quality control and customer happiness. This has given them a good reputation in the Midwest.
Underground Devices, Inc. is also in Illinois. They sell manhole cover grating and related products. The company makes nonmetallic and composite solutions for underground utility systems. Their products protect cables and pipes. They also give safe access points. Underground Devices likes new ideas and strong products. Their covers work for new installations and upgrades.
Everlast Composite LLP works in the USA and India. They make composite manhole cover grating solutions. The company uses advanced composite materials. Their covers are light, strong, and do not rust. Everlast’s products meet international standards. They are used in city streets and factories. The company sells products around the world. They care about quality. This makes them a reliable supplier for modern projects.
Note: Top manhole cover grating suppliers in the USA make products that hold heavy weight and meet strict safety rules. Their covers are used in busy places like airports and seaports. These places need covers that are strong and last a long time.
Manufacturers in the USA make many manhole cover grating products. These include covers, frames, and gratings for roads and sidewalks. They also work for utility systems.
Iron, carbon steel, stainless steel, galvanized steel, and aluminum are common metals.
Some products use reinforced plastic, composite polymers, or fiberglass-reinforced plastic (FRP).
Cast iron and ductile iron are strong and last a long time.
Fiberglass and plastic gratings are good for places that need chemical resistance or lighter weight, like wastewater treatment plants.
Tip: You can learn more about composite materials and product choices at JSCACOMPOSITE’s product page.
Most top suppliers follow strict industry rules.
Many companies have ASTM and AASHTO certifications for safety and quality.
Some suppliers have Build America Buy America and LEED certifications. These show they care about American-made products and the environment.
Some composite products also meet international standards like ISO.
The best manhole cover grating suppliers have many strengths:
They use new, corrosion-resistant materials like ductile iron and composite polymers.
Some companies add smart sensors for real-time monitoring.
They offer many products and custom options for special projects.
Many suppliers care about the environment. They use recyclable materials and self-healing coatings.
Their local knowledge helps them serve nearby customers well.
| Company Name | Key Strengths |
|---|---|
| EJ Group | New ideas, certified composites |
| Neenah Foundry | Strong products, safety rules |
| Bass & Hays Foundry | Quick shipping, American-made |
| Manhole Covers Direct | Advanced FRP, custom products |
| Hamilton Kent | Sealing skills, reliability |
| Jensen Precast | Tough concrete, good service |
| Sealing Systems | Stops leaks, accessories |
| CNI Manufacturing | Custom metalwork, quality checks |
| Underground Devices | Nonmetallic choices, protection |
| Everlast Composite | Light composites, global sales |
People can contact these companies through their websites or by phone.
Most suppliers have contact forms and phone numbers online.
For questions about composite products, JSCACOMPOSITE’s contact page has more help.
Note: Always look at the supplier’s website for the newest contact details and support.
Picking the best manhole cover grating supplier is important. It can help keep projects safe and save money. The table below lists the top 10 companies in the USA. It shows where each company is, what they sell, and what makes them special. You can see their main products and what they do best. This helps buyers check if the products are good and if the company is trustworthy. It also helps people make smart buying choices.
| Company Name | Location | Product Range | Specialties | Unique Features |
|---|---|---|---|---|
| EJ Group, Inc. | Michigan | Cast iron, composite covers, gratings | Heavy-duty, certified composites | DUROSTREET® composite, airport use |
| Neenah Foundry | Wisconsin | Manhole covers, frames, grates | Safety, durability | InfraLOCK covers, pressure release |
| Bass & Hays Foundry | Texas | Ductile/gray iron covers, frames, grates | Fast shipping, US-made | LEED, Build America Buy America |
| Manhole Covers Direct | South Carolina | FRP, BMC covers, gratings | Lightweight, fire-resistant | Custom FRP, hand paste methods |
| Hamilton Kent Inc. | Ohio | Rubber, composite covers, seals | Sealing, water protection | Long-lasting seals, repair solutions |
| Jensen Precast | Nevada | Precast concrete covers, gratings | Heavy load, western US focus | Highway and airport solutions |
| Sealing Systems, Inc. | Minnesota | Sealing products, accessories | Leak prevention, accessories | Innovative sealing, problem solving |
| CNI Manufacturing | Illinois | Steel, aluminum covers, custom frames | Custom metalwork, quality | Midwest reputation, quality control |
| Underground Devices | Illinois | Nonmetallic, composite covers, gratings | Cable protection, innovation | Nonmetallic options, safe access |
| Everlast Composite LLP | USA/India | Composite covers, gratings | Lightweight, corrosion-resistant | Global sales, international standards |
Tip: You can find more about manhole cover products and smart ideas at JSCACOMPOSITE’s product page.
This table lets project managers compare suppliers fast. They can check which company has the right products for their job. Good suppliers have a strong place in the market and special certificates. Some companies have cool features like smart sensors or self-healing coatings. These can make the products even better. Buyers should use this table to help them pick the best supplier and keep their projects safe.
Each project needs something different. When picking a manhole cover grating supplier, managers should think about a few things. They need to check how much weight the cover can hold. Heavy-duty ductile iron is good for roads. Lightweight composites work well for sidewalks. The material should match the weather and traffic. It should also handle chemicals if needed. The cover must fit the space exactly. It should have the right size and shape. Some covers have special features. These include locking, ventilation, or watertight seals. Teams should see if the supplier can fill big orders. They should ask about custom sizes. Technical support is important too. For more details, visit JSCACOMPOSITE’s product page.
Quality standards keep people safe. They also make projects strong. Suppliers should follow rules like EN 124, ASTM A48, and ASTM A536. These rules cover how much weight covers can hold. They also check material strength and safety. Many top suppliers have ISO 9001 for quality. The table below lists some important standards.
| Quality Standard | Description | Application in US Projects |
|---|---|---|
| EN 124 | Load classes for covers | Heavy traffic, airports |
| ASTM A48/A536 | Iron casting strength | Roads, sidewalks |
| ISO 9001 | Quality management | All infrastructure |
Tip: Always ask for certificates before you buy. You can learn more about standards at JSCACOMPOSITE’s about page.
Prices for manhole cover grating products are different. The cost depends on the material, size, and how much weight it holds. Some covers cost $25. Others can cost up to $1,400 each. Minimum order sizes and delivery times change too. Some suppliers ship standard items fast. Custom orders may take longer. The chart below shows price differences by product type.
For more choices and prices, visit JSCACOMPOSITE’s water grate page.
Good service helps projects go smoothly. Top suppliers offer custom covers for any size or shape. They keep a large stock of standard covers. Engineers can help you directly. You can get replacement covers and custom solutions. Suppliers support different materials and finishes. Many also help with installation. They provide technical drawings. For help or questions, check JSCACOMPOSITE’s contact page.
A supplier’s reputation is important. Managers should check for ISO 9001 and ASTM certifications. They should ask for client reviews and case studies. Look at delivery times and after-sales support. Review the supplier’s record in similar projects. Reading testimonials and checking references helps you know if the supplier is good. For more information on smart covers and custom solutions, see JSCACOMPOSITE’s smart manhole cover page.
Picking a good manhole cover grating supplier helps in the long run. Their products last longer and need less fixing. They also work well in tough weather. The best companies on this list follow strict rules for quality. Their products help cities save money over time. You should look at the company profiles and the table. Then, reach out to suppliers for prices. Choosing based on quality, service, and what your project needs can stop expensive problems. For more details, visit JSCACOMPOSITE’s product page.
Manufacturers make gratings from cast iron, ductile iron, steel, aluminum, and composite materials. Some covers use fiberglass-reinforced plastic. This makes them stronger and helps stop rust. You can learn more about these materials at JSCACOMPOSITE’s product page.
Project managers need to check the load rating, material, and size. The cover should fit the place and handle the traffic. For help picking a cover, visit JSCACOMPOSITE’s inspection cover page.
Yes, many suppliers can make custom covers. You can get special sizes, shapes, or features. Some covers have logos or special coatings. For custom covers, see JSCACOMPOSITE’s smart manhole cover page.
You should look for ASTM, AASHTO, and ISO certifications. These show the covers are safe and good quality. You can read more about certifications at JSCACOMPOSITE’s about page.
Most suppliers have online forms and phone numbers. To get more information or a quote, use JSCACOMPOSITE’s contact page.
