Best Biggest Steel Manufacturers in United States
Discover reliable sourcing options from leading steel manufacturers across the United States, offering a range of specialty steel products and fabrication services to meet diverse industry needs.
SteelManufacturingConstructionFabricationIndustry
Multisorb Technologies, Inc.
🇺🇸 United States
1961501-1000 peopleManufacturer/Service Company/DistributorHigh capacity factory
Established brand
Product customization
Patented technology
Shipments
249
Key customer
MULTISORB TECHNOLOGIES
Key market
🇮🇳 India
Description
Multisorb Technologies, Inc., established in 1961, is a leading US-based manufacturer, service company, and distributor specializing in advanced sorbent solutions and active packaging technologies. With 501 to 1000 employees, the company operates a factory and provides high-quality products to preserve product integrity and extend shelf life for a global clientele. Multisorb offers a comprehensive range of desiccants and oxygen absorbers, including packets, canisters, adhesive labels, desiccant paper, liquid solidification products, injection molded products, vial caps, and bulk silica gel. Specialized products like Growpax provide humidity control with oxygen scavenging for industries such as cannabis. The company also manufactures advanced sorbent dispensing equipment under the APA® Series, including models like APA®1000, APA®1500, APA®2000, APA®3400, and APA®3800, designed for various packaging line speeds. Multisorb Technologies serves diverse sectors including Healthcare, Food, Nutraceuticals, Cannabis, Industrial, Automotive, and R&D. They are certified with ISO 9001, ISO 14001, and FSSC 22000, and their products often meet FDA approval, 21 CFR parts 210-21, and cGMP compliance, with many supported by a Type III Drug Master File (DMF). The company emphasizes custom-made sorbent products, comprehensive full-service support, equipment installation, consultations, advanced simulation solutions, and a commitment to sustainability through eco-friendly innovations. They offer international trade capabilities, with global distribution and a focus on precision, reliability, and science-backed approaches.
Bulk Silica Gel
Bulk Silica Gel
Canisters
Canisters
Liquid Solidification
Canisters
Desiccant Paper
Packets and Bags
Packets
Injection Molded
Self-Adhesive
Cards
Segue Manufacturing Services LLC
🇺🇸 United States
1991501-1000 peopleManufacturer/Service Company/DistributorHigh capacity factory
Established brand
OEM manufacturer
Product customization
Shipments
205
Key customer
BAJA FUR
Key market
🇲🇽 Mexico
Description
Segue Manufacturing Services LLC is a premier U.S.-owned global contract manufacturer specializing in complex electromechanical integration and cable and harness assembly. Founded in 1991 and headquartered in North Billerica, Massachusetts, the company is now a key part of Lisconn, a global manufacturing group backed by Cornell Capital. Segue operates over 200,000 square feet of manufacturing space across facilities in the USA, Xiamen (China), and Tijuana (Mexico), providing a flexible global footprint that supports both Made-in-USA and cost-optimized international production. The company specializes in low-to-medium volume, high-mix production for Fortune 500 companies, Tier I EMS providers, and OEMs.
Their comprehensive product portfolio includes medical cable assemblies, waterproof connectors, wire harnesses, custom battery packs, and power distribution box builds. Beyond assembly, Segue offers vertically integrated services such as PCBA, precision CNC machining, and electronic enclosures. Their engineering division provides robust support through New Product Introduction (NPI), prototype fabrication, 3D modeling, and DFX expertise to optimize designs for manufacturing.
Segue is committed to high-reliability standards, maintaining a rigorous quality management system with certifications including ISO 9001, ISO 13485 for medical devices, IATF 16949 for automotive, and MedAccred. They are also ITAR-registered and AS9100-compliant, serving demanding sectors such as Aerospace & Defense, Medical, Industrial Automation, Robotics, and Cleantech. By combining local engineering and domestic stocking programs with global manufacturing capabilities, Segue delivers seamless end-to-end solutions from initial design to volume production.
Bulk Cable
Connectors
Audio, Video & Broadcast Products
Power Cords
Data Center cabling -EMAXX®
Computer Cable
Cable Assemblies
Raven Industries, Inc.
🇺🇸 United States
1956501-1000 peopleManufacturer/Trading CompanyHigh capacity factory
Established brand
OEM manufacturer
Own brand
Shipments
416
Key customer
AGCO
Key market
🇺🇦 Ukraine
Description
Raven Industries, Inc., a brand of CNH Industrial based in Sioux Falls, South Dakota, is a leading manufacturer and technology provider specializing in precision agriculture and office imaging products. Founded in 1956, the company has evolved into a global leader in autonomous farming solutions, helping agricultural operations maximize yields and efficiency through advanced technology. Their agricultural portfolio includes autonomous platforms like Raven Cart Automation, GNSS receivers, guidance and steering systems (RS1, VSN), and application controls such as the Hawkeye 2 and Rate Control Modules (RCM). These solutions integrate seamlessly with major machinery brands like Case IH and New Holland to provide real-time data analytics and fleet management.
In addition to its agricultural technology, Raven Industries operates a significant division dedicated to the office products industry. As an independent manufacturer and global leader in toner production, the company supplies OEMs, private label distributors, and authorized dealers with high-quality toners and developers. Their product range includes bulk toner, refill bags, and finished cartridges compatible with major brands such as Xerox, Ricoh, Kyocera, Toshiba, and Konica Minolta.
With a workforce of 501 to 1,000 employees, Raven Industries maintains a strong focus on innovation and manufacturing excellence. The company is Service-Disabled Veteran-Owned-Certified and operates with a robust international trade presence, sourcing components globally to serve markets across North America, South America, and beyond. Following its acquisition by CNH Industrial in 2021, the company has further accelerated its digital transformation, focusing on the development of fully integrated autonomous systems and connected ag solutions.
Bulk Toner for Sharp BP-NT70/BP-GT70
Toner for Ricoh IM C2010/2510, IM C3010/3510, IM C4510/5510/6010
Toner for Kyocera TK-6727/ TK-6725
Rate Control Module (RCM)
Toner for Kyocera TK-8367/ TK-8377, TK-8365/ TK-8375
VSN® Visual Guidance
Implement Steering
Toner for Xerox VersaLink C400/405
Toner for Ricoh MP C8002, MP C8003
Toners for Sharp BP-10C20 / 20C20 / 20C25
Toner for Ricoh MP C8002, MP C8003
Toner for Ricoh IMC/MPC Universal
MISUMI USA
🇺🇸 United States
1963501-1000 peopleManufacturer/Trading Company/DistributorHigh capacity factory
Established brand
OEM manufacturer
Product customization
Shipments
94741
Key customer
MISUMI
Key market
🇮🇳 India
Description
MISUMI USA, headquartered in Schaumburg, Illinois, is a leading manufacturer, distributor, and contract manufacturer specializing in configurable components for industrial automation, press die, and plastic mold applications. Established in 1988 as a subsidiary of the MISUMI Group (founded in 1963), the company employs between 501 and 1,000 professionals and operates as a comprehensive engineering resource for the automotive, medical, semiconductor, and consumer packaging industries.
Rotary Motion
Ball & Roller Bearings
Connecting Parts
Conveyors & Material Handling
Temperature Control Units
Casters, Leveling Mounts & Anchor Brackets
Motors & Reducers
What information should I check before contacting a supplier?
Review the supplier's product range, certifications, manufacturing capabilities, minimum order quantities (MOQ), lead times, export experience, and company background. Understanding these details beforehand helps you identify suppliers that are more likely to fit your requirements.
Tomarco
🇺🇸 United States
1977501-1000 peopleManufacturer/Wholesaler/Distributor/Service CompanyHigh capacity factory
Established brand
OEM manufacturer
Own brand
Shipments
21
Key customer
INMARSAT
Key market
Asia
Description
Tomarco, also known as Tomarco Contractor Specialties, is a premier manufacturer, wholesaler, and distributor serving the construction industry since 1977. Headquartered in La Mirada, California, the company operates as a multifaceted engineering and supply firm with a global reach, employing over 700 professionals including specialized engineers and virtual design specialists. Tomarco is recognized for its "Total Support" model, which integrates in-house design, product engineering, and custom fabrication to reduce installed costs for commercial contractors. The company operates through specialized divisions, including ISAT Total Support and CEAS Attachments, and holds OSHPD OPM certifications.
Their extensive product portfolio focuses on MEP (Mechanical, Electrical, and Plumbing) support systems and seismic bracing solutions. Key offerings include industrial fasteners, concrete inserts (such as the Blue Banger Hanger), steel deck inserts, pipe hangers, vibration isolation products, and labor-saving attachment solutions for data cabling and electrical conduit. Additionally, they provide safety equipment, power tools, acoustical materials, and thermal insulation. Beyond their proprietary Tomarco, ISAT, and CEAS brands, they distribute products from leading industry names such as 3M, DeWalt, Makita, and Ramset.
With manufacturing capabilities and a private fleet of power units for interstate logistics, Tomarco has completed over 35,000 projects worldwide. They are also established as a technical authority in the field, having conducted over 750 seminars on MEP building codes and seismic engineering.
Steel Deck Insert
Vertical Pipe Supports
Seismic Anchor Brackets ABHW/RCHW
Base Frame Vibration Isolation
Poured-in-Place Insert
BC-1 Single Sided Beam Clamp
Pipe Stanchion
Universal Isolator Bracket
Pipe Rollers
Guides
Introduction
Vibration Isolation Hangers
Sypris Solutions, Inc.
🇺🇸 United States
1927501-1000 peopleManufacturer/Service CompanyHigh capacity factory
Established brand
OEM manufacturer
ODM manufacturer
Key customer
ANALOG DEVICES
Key market
North America
Description
Sypris Solutions, Inc., headquartered in Louisville, Kentucky, is a diversified provider of technology-based outsourced services and specialty products with a history dating back to 1927. Operating primarily through its subsidiaries, Sypris Technologies and Sypris Electronics, the company serves as a critical partner to major corporations and government agencies in the aerospace, defense, energy, and commercial vehicle industries. With a workforce of 501 to 1,000 employees and multiple facilities across North America, the company specializes in high-performance, precision-engineered solutions often secured through multi-year, sole-source contracts.
The company's manufacturing capabilities are extensive, featuring full in-house processes including tooling design, forging (hot, warm, and cold), advanced CNC machining, heat treating, and expert welding. Sypris Technologies is a premier supplier of drivetrain components, such as axle shafts, transmission shafts, and steer axle forgings, as well as specialty closures and piping components for the oil, gas, and petrochemical sectors. Notable products include the Sypris Ultra® Axle and Tube Turns® high-pressure closures.
Sypris Electronics provides advanced electronic manufacturing services (EMS), specializing in complex circuit card assemblies, box-builds, and integrated systems for high-reliability applications. Their expertise supports strategic programs in electronic warfare, satellite power supplies, avionics, and subsea cable communications. The company maintains a reputation as a "Trusted Source" by adhering to rigorous quality standards and investing in automation and innovation through the Sypris Development Center. Their global client base includes industry leaders such as Lockheed Martin, Northrop Grumman, Volvo, and various international energy entities.
Marquardt Switches, Inc.
🇺🇸 United States
1981501-1000 peopleManufacturer/Trading CompanyHigh capacity factory
Established brand
OEM manufacturer
Multinational enterprise
Shipments
884
Key customer
MARQUARDT
Key market
🇲🇽 Mexico
Description
Marquardt Switches, Inc. is a leading manufacturer and global technology provider specializing in advanced electromechanical and electronic switching systems. Established in 1925 and headquartered in Cazenovia, New York, the company serves as the North American hub for the German-based Marquardt Group. With a workforce of 501 to 1,000 employees in the U.S. and over 10,000 globally, the company operates as a sophisticated manufacturer, ODM, and contract manufacturing partner for the automotive, power tool, appliance, and medical industries.
Desiccare Inc
🇺🇸 United States
1994501-1000 peopleManufacturerHigh capacity factory
Established brand
Product customization
Multinational enterprise
Shipments
413
Key customer
WATLOW
Key market
🇲🇽 Mexico
Description
Desiccare Inc. is a leading US-based manufacturer of active packaging technology and atmospheric control solutions, established in 1994. With corporate headquarters in Las Vegas, NV, and warehouses in Mississippi and California, the company employs between 501 and 1,000 people. Desiccare specializes in a comprehensive range of products including desiccants, oxygen absorbers, humidity indicator cards, and ethylene eliminators, serving diverse industries such as pharmaceutical, electronics, food safety, transportation, and aerospace. Their core product lines feature industrial solutions like Pillow Pak®, Unit Pak®, Cargo Dry®, and Bulk Desiccants, alongside food safety products such as Oxygen Scavengers and Ethylene Eliminators. The company operates sophisticated chemical laboratories in Mississippi and Mexico, enabling the development of custom chemical blends and tailored solutions to meet specific client requirements. Desiccare is ISO 9001, RoHS, GMP, and REACH compliant, with additional certifications including QPL and adherence to FDA and military specifications. They offer OEM and ODM services, emphasizing continuous improvement in production lines for efficiency and cost reduction, and are recognized for their competitive pricing, excellent customer service, and fast delivery. Desiccare engages in international trade, with a global presence and operations in the US and Mexico, and has an annual revenue of $20.8 million.
Minco
🇺🇸 United States
1956501-1000 peopleManufacturerHigh capacity factory
Established brand
OEM manufacturer
Product customization
Shipments
487
Key customer
KERAZO
Key market
🇹🇷 Turkey
Description
Minco is a global manufacturer and engineering firm headquartered in Minneapolis, Minnesota, with over 60 years of experience in designing and manufacturing high-reliability components. Founded in 1956, the company operates a 300,000-square-foot manufacturing facility and employs between 500 and 1,000 professionals worldwide. Minco specializes in four core product lines: flexible heaters, temperature sensors, flex circuits, and instrumentation. Their advanced thermal management solutions include Thermofoil heaters, SmartHeat SLT thin-film heaters, and vapor chambers for cooling efficiency. They also provide a wide range of sensing technologies, such as resistance temperature detectors (RTDs), thermocouples, and thermistors, alongside custom single and multi-layer flexible printed circuit board assemblies.
As a contract manufacturer and ODM, Minco provides end-to-end design and prototyping services for complex applications in the aerospace, medical, defense, semiconductor, and energy sectors. The company is recognized for its engineering expertise and quality standards, holding over 80 certifications including ISO 9001:2015, AS9100D, UL, CE, and RoHS compliance. They are also ITAR registered and NADCAP certified, supporting high-profile clients and government projects such as NASA and major industrial manufacturers. With regional offices in Europe and Asia, Minco serves a global market with both off-the-shelf products and custom-engineered solutions tailored to extreme environments, including space and hazardous industrial areas.
Vulcan Seals
🇺🇸 United States
1986501-1000 peopleManufacturer/Trading Company/Service Company/DistributorHigh capacity factory
Established brand
OEM manufacturer
Product customization
Shipments
810
Key customer
TIME TRADERS
Key market
🇮🇳 India
Description
Vulcan Seals is a world-leading manufacturer and supplier of industrial sealing technology, serving as the USA division of the global Vulcan Engineering Group. Established in 1986 and headquartered in Burnsville, Minnesota, with additional operations in Houston, Texas, and Sheffield, UK, the company employs between 501 and 1,000 professionals. Vulcan Seals specializes in a comprehensive range of sealing solutions, including mechanical seals, Chem-Ring® FEP/PFA encapsulated seals, silicon carbide components, gland packing, and TEFCAN® expanded PTFE gasketing. Their mechanical seal portfolio features conical spring, elastomeric bellows, parallel spring diaphragm, and wave spring designs, alongside an extensive range of OEM replacement seals for major brands like Flygt® and NOV™ Mission Magnum®. The company operates ISO 9001:2015 certified manufacturing facilities and maintains a global distribution network spanning over 110 countries across three continents. With over 100,000 product lines in stock, including millions of encapsulated 'O'-rings and mechanical seals, they provide immediate support to industries such as food and beverage, marine, mining, pharmaceutical, and water processing. Vulcan Seals is committed to high-performance engineering, offering bespoke custom-engineered solutions, refurbishment services, and products compliant with FDA, USP VI, and Net Zero standards.
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