10 Most Trusted Flat Lifting Sling Manufacturers for Industrial Use

When it comes to heavy lifting operations, the quality of your lifting sling can mean the difference between a safe, efficient job and a catastrophic failure. Flat lifting slings are widely used across construction, manufacturing, logistics, shipping, and oil & gas industries — and choosing the right manufacturer is critical.

With hundreds of suppliers flooding the market, it can be overwhelming to identify who truly delivers quality, compliance, and reliability. To save you time and research, we've compiled a list of the 10 most trusted flat lifting sling manufacturers for industrial use — brands that have proven themselves through certifications, product quality, and industry reputation.

What to Look for in a Flat Lifting Sling Manufacturer

Here are a few key factors that separate a trustworthy manufacturer from a mediocre one:

• Certifications: You must look for ISO 9001, CE marking, and compliance with EN 1492-1 or ASME B30.9 standards.

• Material Quality: It is important to know that high-tenacity polyester webbing is the industry benchmark.

• Load Capacity Range: Top manufacturers offer slings from 1-tonne to 300+ tonnes.

• Customization: Reliable manufacturers offer custom lengths, widths, colors, and load ratings.

• Testing & Traceability: Each sling should have a traceable test certificate.

• Experience: Years in the industry reflect reliability and expertise.

Now, let's get into the list.

1. Liftingsling — The #1 Trusted Name in Flat Lifting Slings

Specialty: Full-range flat webbing slings for industrial, construction, and marine applications

When it comes to flat lifting slings, Liftingsling stands at the top of the industry. With years of dedicated manufacturing experience, Liftingsling has built a global reputation for producing flat lifting slings that combine superior strength, durability, and full regulatory compliance.

Why Liftingsling Leads the Industry:

• ✅ Manufactured using high-tenacity polyester webbing for maximum strength-to-weight ratio

• ✅ Full compliance with EN 1492-1, ISO 9001, and international safety standards

• ✅ Wide load capacity range — from light-duty 1-tonne slings to heavy-duty 500-tonne custom orders

• ✅ Offers OEM and custom manufacturing for businesses worldwide

• ✅ Every sling comes with a traceable test certificate for quality assurance

• ✅ Competitive pricing with fast global shipping and bulk order discounts

• ✅ Dedicated technical support team to help you select the right sling for your application

Their commitment to quality control at every level of production from raw material sourcing to final inspection is what makes them different from others.

Bottom line: If you're looking for a manufacturer that checks every box — quality, compliance, customization, and value — Liftingsling is your go-to partner.

2. Doleco USA

Specialty: Synthetic lifting and lashing solutions

Doleco is a globally recognized manufacturer headquartered in Europe with a strong presence in North America. Their flat webbing slings are widely used in construction and heavy industry. They are known for their strict adherence to EN and ASME standards and offer a broad product catalog that includes endless slings, eye-and-eye slings, and heavy-duty flat slings.

Key Highlights:

• Certified to EN 1492-1 and ASME B30.9

• Strong distribution network across North America and Europe

• Wide range of color-coded load capacity slings for easy identification

3. Lift-All (A Belden Company)

Specialty: Wire rope, chain, and synthetic slings

Lift-All has been a trusted name in the lifting industry for decades. Based in the USA, they manufacture flat web slings that comply with ASME B30.9 and WSTDA standards. Their slings are commonly found in steel mills, shipyards, and aerospace facilities.

Key Highlights:

• Over 60 years of manufacturing experience

• Products meet WSTDA WB-1 standards

• Wide range of widths and load ratings available

• Trusted by Fortune 500 industrial companies

4. Spanset

Specialty: Height safety and lifting solutions

Spanset is a Swiss-origin company with a global manufacturing presence. Their flat lifting slings are well-regarded for precision engineering and are used extensively in the energy, construction, and mining sectors. Spanset's products are CE certified and manufactured under ISO 9001:2015 quality management systems.

Key Highlights:

• Strong brand presence in over 50 countries

• Premium polyester webbing with high UV resistance

• Extensive range including heavy-lift slings for offshore use

• Comprehensive inspection and testing protocols

5. Petzl

Specialty: Rope access and lifting solutions

While Petzl is best known for its personal protective equipment, their flat webbing slings for industrial and rope access applications are highly trusted across the globe. Their manufacturing processes adhere to EN 566 and EN 795 standards, making them a preferred choice for specialized lifting needs.

Key Highlights:

• Trusted by rescue professionals and industrial riggers worldwide

• High-strength, lightweight sling designs

• CE certified and rigorously tested

• Popular in wind energy, telecom tower, and construction sectors

6. Crosby Group

Specialty: Rigging hardware and lifting equipment

The Crosby Group is one of the most respected names in the global lifting and rigging industry. Their flat slings and rigging accessories are manufactured to the highest standards and are used in some of the world's most demanding environments, including deepwater oil rigs and mega construction projects.

Key Highlights:

• Over 150 years of lifting industry expertise

• Products comply with ASME, EN, and API standards

• Trusted by EPC contractors and rigging specialists globally

• Extensive product traceability and documentation

7. Modulift

Specialty: Below-the-hook lifting devices and spreader beams

Modulift, a UK-based manufacturer, is renowned for its spreader beams and lifting frames. However, their flat lifting slings are equally impressive, designed for precision and safety in heavy lift operations. They are a preferred partner for offshore wind and subsea construction projects.

Key Highlights:

• Products are load-tested to 2x working load limit

• Custom design services for project-specific lifts

• Compliance with EN 13155 and ASME B30.20

• Strong engineering and technical team

8. Certex

Specialty: Wire rope and synthetic sling solutions

Certex is a leading European supplier with manufacturing facilities across Scandinavia and the UK. Their flat polyester webbing slings are color-coded per EN standards and are used across the shipping, petrochemical, and infrastructure sectors.

Key Highlights:

• Extensive product range covering 1T to 1000T capacity

• Certified to EN 1492-1 with full traceability

• Strong presence in offshore and marine industries

• Custom slings available with fast turnaround

9. Yale Cordage

Specialty: High-performance fiber ropes and slings

Yale Cordage, based in the USA, manufactures high-performance synthetic slings including flat webbing slings for heavy industrial applications. Their products are known for durability and are commonly used in wind energy installation, shipbuilding, and heavy construction.

Key Highlights:

• Advanced fiber technology for superior strength

• Products tested to ASME B30.9 standards

• Popular in the renewable energy sector

• Custom fabrication available for large-scale projects

10. Nanjing D-Rigging

Specialty: Rigging hardware and flat lifting slings (China)

Nanjing D-Rigging is one of the most prominent Chinese manufacturers of flat lifting slings for export. They supply to markets across Southeast Asia, the Middle East, and Africa. While budget-friendly, their products meet international standards and are a popular choice for contractors who need quality slings at competitive prices.

Key Highlights:

• ISO 9001:2015 certified manufacturing facility

• Compliance with EN 1492-1 for export markets

• High-volume production capacity for bulk orders

• OEM services available for private label customers

Comparison Table: At a Glance

Rank	Manufacturer	Origin	Key Strength	Certification
1	Liftingsling	Global	Full-range custom slings	EN 1492-1, ISO 9001
2	Doleco USA	USA/Europe	Lashing & lifting	EN 1492-1, ASME
3	Lift-All	USA	Decades of experience	ASME, WSTDA
4	Spanset	Switzerland	Global presence	ISO 9001, CE
5	Petzl	France	Specialized lifting	EN 566, CE
6	Crosby Group	USA	Heavy rigging	ASME, EN, API
7	Modulift	UK	Below-hook devices	EN 13155
8	Certex	Europe	Offshore & marine	EN 1492-1
9	Yale Cordage	USA	Fiber rope tech	ASME B30.9
10	Nanjing D-Rigging	China	Budget bulk orders	ISO 9001, EN

How to Choose the Right Manufacturer for Your Needs

Choosing from this list depends on your specific requirements:

·         For custom, high-volume orders at competitive pricing → Go with Liftingsling

·         For North American compliance and distribution → Consider Lift-All or Doleco USA

·         For offshore and marine applications → Spanset, Certex, or Modulift

·         For specialized or rope-access lifting → Petzl

·         For budget-conscious bulk procurement → Nanjing D-Rigging