When you need dependable lifting solutions, you want to work with the best round sling manufacturers. Top choices include:
PowerFul Machinery
Lift-It Manufacturing
Holloway Houston
Ashley Sling
Cortland Company
You should always check for certifications like ISO 9001, ASME B30.9, and OSHA, which leading companies hold. Here is a quick look at certifications:
Manufacturer | Certifications |
|---|---|
Lift-It Manufacturing | AS9100D, ISO 9001:2015 |
Ashley Sling | ISO 9001, ASME B30.9, OSHA |
Consider your project needs as you explore these trusted brands.
Key Takeaways
Choose round sling manufacturers with strong certifications like ISO 9001 and ASME B30.9 to ensure safety and quality.
Select manufacturers that offer custom solutions tailored to your specific lifting needs for better efficiency.
Look for companies with a proven track record and positive client feedback to guarantee reliability in your lifting operations.
Prioritize manufacturers that provide comprehensive support, including on-site consultations and training for safe lifting practices.
Regularly inspect your slings and follow care instructions to extend their lifespan and maintain safety during use.
1. PowerFul Machinery

Overview
PowerFul Machinery stands out as a leader among round sling manufacturers. You can rely on their 20 years of experience in the lifting and rigging industry. The company serves industries like construction, marine, transportation, and cargo handling.
When you choose PowerFul Machinery, you work with a direct-from-manufacturer supplier. This means you get better pricing and direct support.
Strengths
Direct Manufacturer Advantage: You avoid middlemen and get competitive prices.
Custom Solutions: You can request lifting products tailored to your project.
Advanced Manufacturing: The factory uses automated welding systems and precision forging presses.
Quality Control: Every product goes through strict testing from raw materials to final inspection.
Global Logistics: You benefit from a strong logistics network that ensures on-time delivery worldwide.
Tip: If you need a custom lifting solution, PowerFul Machinery’s in-house engineers can help you design the right product.
Certifications
Powerful Machinery meets international safety and quality standards. You can expect products that comply with ISO and other global certifications. This focus on certification gives you peace of mind when safety matters most.
Products
You will find a wide range of lifting and rigging hardware, including:
High-tensile Grade 80 and G100 lifting chains
Wire rope fittings
Each product is designed for maximum performance and safety in demanding environments.
Clients & Projects
Powerful Machinery supports clients worldwide. You will see their products used in major construction sites, marine operations, and cargo handling projects. Many customers return for repeat orders because they trust the quality and reliability.
2. Lift-It Manufacturing
Overview
Lift-It Manufacturing has built a strong reputation among round sling manufacturers. The company began in 1979 when Mike Gelskey Sr. founded it with a vision to compete on a global scale.
the years, you have seen Lift-It grow from making web slings and rigging components to becoming a leader in helicopter longlines and advanced rigging equipment. Today, you can count on their experience and commitment to quality.
Strengths
You benefit from a wide selection of lifting products.
The company offers custom solutions for unique lifting needs.
Lift-It focuses on safety and reliability in every product.
Their team provides technical support and training for your staff.
You can trust their products for both standard and specialized applications.
Note: Lift-It Manufacturing stands out for its versatility. You can use their slings in construction, energy, aerospace, and entertainment industries.
Certifications
Lift-It Manufacturing holds respected certifications. You will find that they meet AS9100D and ISO 9001:2015 standards. These certifications show their dedication to quality management and safety. When you choose Lift-It, you know the products meet strict industry requirements.
Products
You can select from a full range of polyester endless round slings. These slings offer high strength and flexibility for many lifting tasks. Here is a quick look at their capacities:
Length (Feet) | Choker WLL (Lbs) | Vertical WLL (Lbs) | 90° Basket WLL (Lbs) |
|---|---|---|---|
6′ | 80,000 | 100,000 | 200,000 |
8′ | 80,000 | 100,000 | 200,000 |
10′ | 80,000 | 100,000 | 200,000 |
12′ | 80,000 | 100,000 | 200,000 |
14′ | 80,000 | 100,000 | 200,000 |
16′ | 80,000 | 100,000 | 200,000 |
18′ | 80,000 | 100,000 | 200,000 |
20′ | 80,000 | 100,000 | 200,000 |
30′ | 80,000 | 100,000 | 200,000 |
You can rely on these slings for heavy-duty lifting jobs.
Clients & Projects
Lift-It Manufacturing serves a wide range of clients. You will find their products on major construction sites, in aerospace projects, and at energy facilities. Many customers return because they trust the quality and service. If you need a partner with a proven track record, Lift-It is a solid choice.
3. Holloway Houston

Overview
You find Holloway Houston among the most established round sling manufacturers in the United States. The company began in 1960 and has built a strong reputation for supplying industrial lifting products and services. You see their main focus on the energy and construction sectors, where reliability and safety matter most.
Founded in 1960
Supplies industrial lifting products and services
Serves the energy and construction industries
Strengths
You benefit from Holloway Houston’s commitment to American-made quality. All-around slings are produced in Houston, Texas. This local manufacturing gives you faster delivery and better quality control.
Each sling goes through rigorous testing. The team tests every sling twice its Working Load Limit before shipping. You also get expert guidance from their experienced staff. They help you choose the right sling for your job.
Local manufacturing in Houston, TX
Fast delivery and strict quality control
Each sling is tested to twice its Working Load Limit
Personalized consultations from industry experts
Tip: You can ask their team for advice if you have a unique lifting challenge.
Certifications
Holloway Houston holds several respected certifications. These show their dedication to quality and safety in every product.
Certification Type | Description |
|---|---|
ISO 9001:2015 | Certification for a comprehensive Quality Management System covering various types of lifting equipment. |
DNV 2.7-1 | Type approval certification for round slings. |
DNV 2.7-3 | Type approval certification for round slings. |
You should know that Holloway Houston was the first sling shop in the U.S. to achieve API Specification Q1 and Quality Plus certifications. They later moved to DNV certification to better match their operations.
Products
You can choose from a full range of USA-made round slings. Holloway Houston offers slings for light, medium, and heavy-duty lifting. Their product line includes polyester round slings, wire rope slings, and custom-engineered solutions. You get products designed for safety and long service life.
Clients & Projects
You see Holloway Houston products in action on major energy projects and construction sites. Many customers trust them for critical lifts where safety cannot be compromised. Their reputation for quality and reliability keeps clients coming back.
4. Ashley Sling

Overview
Ashley Sling stands out as one of the most trusted round sling manufacturers in the United States. You find their headquarters in Atlanta, with service locations in Charlotte, Knoxville, and Columbus. The company has led the wire rope and rigging industry for over three decades.
You can see their long history and regional presence in the table below:
Founding Year | Company History |
|---|---|
1992 | Ashley Sling has been a leader in the wire rope and rigging industry for over 30 years. It serves multiple cities, including Atlanta, Charlotte, Knoxville, and Columbus. |
Strengths
You benefit from Ashley Sling’s focus on high-performance lifting solutions. The company invests in research and development to create products for demanding jobs. You get expert advice from their experienced team. They help you select the right sling for your application.
Ashley Sling also provides training and inspection services, so you can keep your lifting operations safe and efficient.
Tip: You can ask Ashley Sling for on-site sling inspections to help you meet safety standards.
Certifications
Ashley Sling holds certifications that show their commitment to quality and safety. You can trust their products to meet or exceed industry standards. Their team follows strict procedures to ensure every sling is reliable and ready for use.
Products
You discover a wide range of lifting products at Ashley Sling. Their HPZ Extreme Lift Roundsling stands out for high-performance applications. Here are some key features of the HPZ Extreme Lift Roundsling:
Made from a custom blend of HMPE and Aramid fibers
Superior strength-to-weight ratio for easier handling
HPZ 250 variant has a vertical rating of 250,000 pounds
Weighs only 5.25 pounds per foot, much lighter than similar wire rope slings
Available in endless or eye-to-eye configurations
You can use these slings for heavy lifts where weight and strength matter most.
Clients & Projects
You see Ashley Sling products in action on construction sites, industrial plants, and infrastructure projects. Many customers rely on their slings for critical lifts. You can count on their reputation for reliability and performance in high-stakes environments.
5. Cortland Company
Overview
You find Cortland Company to be a pioneer in the field of synthetic lifting solutions. The company began its textile manufacturing journey in 1979. Over the years, you see Cortland develop advanced fiber technologies for lifting, mooring, and rigging.
The company focuses on custom-engineered products that solve unique lifting challenges.
Company Name | Founding Year | Description |
|---|---|---|
Cortland (Textile) | 1979 | Textile manufacturing company. |
Strengths
You benefit from Cortland’s expertise in custom-engineered lifting slings. The company uses UHMWPE high-performance fibers to create slings that are both strong and lightweight. You can choose slings with one adjustable eye, which lets you adapt to different lifting needs.
The unique splice design tightens under load, so you do not have to worry about lengthening during lifts. You also get slings with no maximum length limitations, which gives you flexibility for large projects. Cortland offers many wear protection options, so your slings last longer in tough environments.
Feature | Description |
|---|---|
Material | UHMWPE high-performance lifting sling |
Adjustability | One adjustable eye for various applications |
Splice Design | Opposing force tightens the adjustable splice |
Length Limits | No maximum length; minimum depends on rope diameter |
Weight | Lightweight and flexible for safe, fast rigging |
Inspection | Easy to inspect |
Durability | Cut-resistant eye terminations |
Wear Protection | Multiple options to extend the useful life |
Lifting Capacity | Standard vertical lifting capacities from 10 to 250 tons |
Tip: You can ask Cortland for custom wear protection to match your worksite conditions.
Certifications
You can trust Cortland Company because it holds respected certifications for quality and safety. The company has ISO 9001:2015 certification for the design, manufacture, and testing of synthetic fiber round slings and rope.
Cortland also holds DNV and ABS Type Approvals, which means you get products that meet strict industry standards.
Certification Type | Details |
|---|---|
ISO 9001:2015 | Design, Manufacture, and Testing of Synthetic Fiber Round Slings and Rope |
DNV Type Approval | Product design assessments and testing |
ABS Type Approval | Plant surveys and annual facility assessments |
Products
You can select from a wide range of synthetic round slings. Cortland’s slings use advanced materials for high strength and low weight. You find slings with vertical lifting capacities from 10 to 250 tons.
The company also offers custom-engineered solutions for special lifting needs. You get slings that are easy to inspect and maintain, which helps you keep your operations safe.
Clients & Projects
You see Cortland’s lifting slings in use across industries like construction, offshore energy, and heavy manufacturing. Many clients choose Cortland for critical lifts where safety and durability matter most. The company’s reputation for innovation and reliability makes it a top choice among round sling manufacturers.
Why Reliable Round Sling Manufacturers Matter

Choosing the right round sling manufacturers can make a big difference in your lifting operations. Reliable companies help you meet safety standards, extend the life of your equipment, and save money over time. Here’s why your choice matters:
Safety & Compliance
You want every lift to be safe. Trusted manufacturers follow strict industry standards, such as ASME B30.9 and OSHA guidelines. They design slings to handle the loads you need and test each product before it leaves the factory. When you use slings from reliable sources, you reduce the risk of accidents and injuries.
Repairs must be performed by the manufacturer or a qualified person.
Repairs of hooks and fittings must meet ASME B30.10 and B30.26 standards.
Never use slings with cracked, broken, or melted fittings.
Temporary repairs are not allowed.
Always mark repaired slings to identify the repairer.
You also need to match the sling to the load type, hitch, and environment. Never exceed the rated load capacity. For complex lifts, make sure a qualified person checks the setup.
Tip: Store your slings away from chemicals, sharp edges, and sunlight to prevent damage.
Product Longevity
You want your investment to last. Reliable round sling manufacturers use high-quality materials like polyester or nylon. These materials give you strength and durability. They also provide clear care instructions, such as regular inspections and proper storage.
When you follow these guidelines, your slings last longer and perform better. Unreliable brands may skip these steps, which can lead to early failure.
Choose slings made from strong, durable fibers.
Inspect and clean slings often.
Store slings in a dry, cool place.
Cost Efficiency
You save money when you choose quality. Reliable manufacturers help you avoid frequent replacements and costly downtime. Their products may cost more upfront, but you spend less on repairs and replacements over time. You also avoid the hidden costs of accidents or failed lifts.
Note: Investing in trusted brands protects your team and your budget.
Choosing Round Sling Manufacturers
When you select round sling manufacturers, you want to make sure you get safe, reliable products and strong support. Use these tips to help you make the best choice for your lifting needs.
Certifications & Standards
You should always check for certifications and compliance with safety standards. Look for manufacturers that meet these important requirements:
Compliance with international safety standards like EN 1492-2 and ISO 4878.
Certificates of compliance that confirm testing and safety benchmarks.
Documentation that meets ASME B30.9, WSTDA, and RS-1 standards, including inspection dates and sling identification.
Tip: Always ask for proof of certification before you buy.
Product Range
A wide product range gives you more options for your projects. Leading manufacturers offer slings for many uses. Here is a quick overview:
Application Area | Description |
|---|---|
Construction Sites | Lifting structural components or heavy machinery. |
Industrial Warehousing | Moving equipment or goods in storage facilities. |
Oil & Gas Operations | Handling pipelines or drilling equipment. |
Shipping & Logistics | Lifting fragile or irregularly shaped loads during transport. |
You can also find endless polyester round slings, eye & eye slings, custom slings, and high-performance options.
Logistics & Support
You want a manufacturer that supports you from start to finish. Top companies provide:
Custom manufacturing for unique needs.
In-house support to ensure quality.
On-site engineering staff for safe lifting solutions.
Jobsite consultation and inspection services.
Note: Good support helps you solve problems quickly and keeps your projects on track.
Client Feedback
Client feedback tells you a lot about a manufacturer’s reliability. Pay attention to these factors:
Factor | Description |
|---|---|
Material | Affects strength and durability. |
Construction | Impacts load capacity and safety. |
Load capacity | Determines the maximum safe lifting weight. |
Length tolerance | Influences safety in multi-part lifts. |
Certification | Shows compliance with safety and performance standards. |
You should also check how often clients mention inspections and product longevity. Regular inspections and proper care help prevent accidents and extend sling life.
Conclusion
You have explored five trusted round sling manufacturers, each offering unique strengths for different lifting needs. To choose the right partner, match their capabilities to your project. Use these steps when reaching out for quotes or consultations:
Decide on the length and capacity you need.
Measure any existing slings under tension for accuracy.
Gather this information before contacting suppliers.
These tips help you make informed decisions and ensure safe, efficient lifting.
FAQ
What is a round sling used for?
You use a round sling to lift heavy loads safely. These slings wrap around objects and connect to cranes or hoists. You often see them in construction, shipping, and manufacturing.
How do you choose the right round sling manufacturer?
You should check for certifications, product range, and customer reviews. Reliable manufacturers provide strong support and clear safety information. Always ask for proof of quality standards.
How often should you inspect a round sling?
You need to inspect your round sling before each use. Look for cuts, abrasions, or damaged fittings. If you find any damage, remove the sling from service right away.
Can you repair a damaged round sling?
Only the manufacturer or a qualified person should repair a round sling. Never use a sling with visible damage or temporary fixes. Always follow safety guidelines.
What certifications should a quality round sling have?
You should look for certifications like ISO 9001, ASME B30.9, and OSHA compliance. These show the sling meets strict safety and quality standards.

