Best Steel Coil Suppliers in United States

Nakoda Steel Industry

🇺🇸 United States

2014

11-50 people

Manufacturer/Distributor/Wholesaler

Product customization

Key customer

ATLAS ENERGY SOLUTIONS

Key market

Europe

Description

Nakoda Steel Industry is a prominent manufacturer, distributor, and stockholder of high-performance piping products and steel components based in Edison, New Jersey. Established in 2014, the company operates a dedicated manufacturing facility and employs a team of 11 to 50 professionals. They specialize in a comprehensive range of steel solutions, including stainless steel seamless pipes, carbon and alloy steel pipes, duplex and super duplex steel, and precision steel tubes. Their extensive product portfolio also features steel flanges, pipe fittings, coils, sheets, and chrome bars, catering to diverse industrial requirements with custom sizing available. As an ASME, EN 10204, and NACE-certified organization, Nakoda Steel Industry maintains rigorous quality standards to serve critical sectors such as oil and gas, petrochemical, power generation, nuclear, aerospace, and marine. Their technical capabilities include providing advanced tubing for heat exchangers, condensers, and high-pressure heaters, with the ability to supply annealed and pickled tubes up to 30 meters in length. With a strong focus on international trade, the company maintains a global reach, exporting to major markets across North America, Europe, the Middle East, Africa, and Asia. Their commitment to workmanship and service has earned them a prestigious clientele, including organizations such as NASA and various leaders in the energy and structural engineering industries.

Stainless Steel Seamless Pipe

Gibbs Interwire

🇺🇸 United States

1956

101-200 people

Manufacturer/Distributor/Service Company

Established brand

Product customization

Industry association member

Multinational enterprise

Shipments

Key customer

STELLARIS SPECIALITIES INDIA LIMITED

Key market

🇺🇸 United States

Description

Gibbs Interwire, established in 1956, is an ISO 9001:2015 certified manufacturer, processor, and distributor of specialty metal strip coil and wire products. Operating as part of the Combined Metals family of companies, Gibbs Interwire has grown into one of North America's largest independent specialty metals processing and distribution companies, with 10 service centers across the U.S., Canada, and Mexico. The company employs between 101 and 200 people and generates annual sales between $100 million and $249.9 million. They specialize in a comprehensive range of materials including Stainless Steel, Carbon Steel, Nickel Alloys, and Red Metals, offering products such as Stainless Steel Strip & Slit Coil, High Carbon Steel Strip, Red Metal Strip, Music Wire, Carbon Spring Wire, and Nickel Alloy Spring Wire. Their extensive capabilities include narrow width slitting, traverse/oscillate wound strip, coil edging and skiving, precision toll slitting, wire processing, and custom packaging. Gibbs Interwire serves diverse markets including the spring industry, metalworking community, aerospace, automotive, medical, and electronics sectors, emphasizing a commitment to quality, continuous improvement, and customer satisfaction.

Slit Coil

Cemline Corp.

🇺🇸 United States

1935

51-100 people

Manufacturer/Trading Company

Established brand

OEM manufacturer

Product customization

Key customer

CEMLINE

Key market

🇩🇪 Germany

Description

Cemline Corp. is a premier American manufacturer established in 1935, specializing in high-quality solutions for water heating, storage, and industrial processes. Based in Cheswick, Pennsylvania, the company operates a dedicated manufacturing facility where it produces a comprehensive range of ASME-certified products, including packaged water heaters, unfired steam generators, pressure vessels, and replacement tube bundles. With over 85 years of engineering expertise, the company serves the plumbing, HVAC, and industrial sectors across the United States. As a versatile manufacturer and OEM provider, Cemline Corp. offers an extensive product portfolio designed for both traditional and decarbonized applications. Their offerings include commercial electric boilers, solar water heaters, and thermal energy storage tanks, alongside specialized equipment such as chilled water buffer tanks, boiler blowdown tanks, and non-electric condensate pumps. The company is recognized for its STONESTEEL® and Cem-Trol product lines, providing durable cement-lined tanks and advanced control modules for precise system management. Cemline Corp. maintains a strong commitment to technical excellence, supporting its clients with a network of nearly 100 representatives and providing detailed technical resources, including 3D drawings and sizing charts. The company employs between 50 and 100 professionals and continues to lead the industry through innovation in heat transfer packages, digital tempering valves, and heat recovery systems, ensuring efficient liquid heating and storage for commercial and industrial facilities.

Steel Tanks

Stainless Steel Instantaneous Packaged Water Heater

STONESTEEL® Packaged Copper Coil Water Heaters

Steel Warehouse Company, Inc.

🇺🇸 United States

1947

1001-2000 people

Manufacturer/Wholesaler/Distributor/Service Company

High capacity factory

Established brand

Large enterprise group

Product customization

Shipments

126

Key customer

STEEL WAREHOUSE MEXICO S DE RL DE CV

Key market

🇺🇸 United States

Description

Steel Warehouse Company, Inc. is a family-owned and managed manufacturer, wholesaler, distributor, and service company specializing in steel processing, founded in 1947 and headquartered in South Bend, Indiana. With over 1,000 employees and an average annual revenue of $570.3 million, the company operates a large network of facilities across 15 locations in the United States, Mexico, and Brazil, maintaining an inventory averaging over 380,000 tons in the U.S. and Mexico. They are ISO 9001:2015 certified and part of the Lerman family of companies, which includes affiliates like Chesterfield Steel, Lock Joint Tube, and Siegal Steel. Steel Warehouse Company, Inc. offers a comprehensive range of steel products, including Hot Rolled Steel, Cold Rolled Steel, Low Carbon Steel, High Carbon Steel, Abrasion Resistant Steel (e.g., AR200, AR400, Valast® 450), High Strength Steel, Galvanized Steel, Military Grade Steel, Pressure Vessel Quality Steel, and Specialty Steel Strip. These are available in forms such as Steel Plate, Steel Sheet, and Steel Coil. The company provides extensive processing services including slitting, blanking, cold reducing, corrective roller leveling, pickling, temper passing/cut to length, batch annealing, stretcher leveling, and laser & plasma cutting. They serve a wide array of industries including aerospace, automotive, agriculture, construction & infrastructure, defense, energy, heavy equipment & mining, medical & exercise equipment, and transportation, delivering over two million tons of coil, sheet, and plate annually.

Siegal Steel Company

🇺🇸 United States

1940

51-100 people

Manufacturer/Distributor/Service Company

Established brand

OEM manufacturer

Product customization

Industry association member

Key customer

SMITHCO

Key market

🇺🇸 United States

Description

Siegal Steel Company is a premier steel coil supplier and processor headquartered in Chicago, Illinois. Established in 1940 and now an affiliate of Steel Warehouse, the company operates as a specialized steel service center with a workforce of approximately 51 to 100 employees. They are ISO 9001:2015 certified, reflecting a long-standing commitment to quality and precision in the metal processing industry. The company specializes in a comprehensive range of steel products, including Hot Rolled, Cold Rolled, Stainless Steel, and High-Strength Low Alloy (HSLA) steels. They are particularly recognized for their expertise in Medium and High Carbon steels, as well as specialty alloys such as 10B38, 4130, and enameling iron. Their extensive inventory supports diverse industrial applications, ranging from automotive stampings and agricultural equipment to hand tools and window hardware. Siegal Steel differentiates itself through advanced value-added processing capabilities. Key services include precision steel slitting (with heavy gauge capacity up to 3/8" thick), specialized steel edging for improved material consistency, and oscillate (traverse) winding. Their oscillate winding capabilities allow for coils up to 10 times longer than standard ribbon-wound coils, significantly reducing downtime for high-volume manufacturers. To support modern supply chain requirements, the company offers sophisticated inventory management programs, including Just-In-Time (JIT) delivery, KANBAN, Electronic Data Interchange (EDI), and barcoding services. This combination of metallurgical expertise and logistical support enables Siegal Steel to provide cost-effective, production-ready solutions for major Tier Two automotive stampers and global industrial clients.

Harris Steel Company

🇺🇸 United States

1950

51-100 people

Manufacturer/Service Company

Established brand

Product customization

Industry association member

Custom packaging

Key customer

GENERAL MOTORS

Key market

North America

Description

Harris Steel Company is a family-owned, independent steel service center and manufacturer headquartered in Cicero, Illinois. Established in 1950, the company has over 70 years of expertise in precision steel slitting and processing. Operating from a single facility with a workforce of approximately 50 to 100 employees, the company generates an annual revenue between $25 million and $50 million. Harris Steel is ISO 9001:2015 certified and has been recognized for its quality standards, including receiving supplier awards from major partners like General Motors. The company specializes in the precision slitting of prime steel coils, utilizing triple-headed slitting lines equipped with shimless tooling and automatic gauge control. Their technical capabilities ensure the production of camber-free, tightly wrapped, and oscillation-free coils with slit widths ranging from under one inch up to 30 inches. Harris Steel processes a comprehensive range of materials, including cold rolled, hot rolled pickled and oiled, high carbon, low carbon, HSLA, stainless, galvanized, aluminized, and martensite steel, as well as tin plate and structural grade materials. Harris Steel serves a diverse array of industries, including automotive, appliance, computer, electronics, hardware, and lawn and garden. To support high-volume industrial programs, the company offers integrated inventory management services such as JIT (Just-In-Time) and Kanban delivery, alongside customized packaging solutions including VCI bags and plastic shrink-wrap for material protection. Their business model emphasizes production efficiency, scrap minimization, and deep technical knowledge of customer part applications.

City Gates USA

🇺🇸 United States

1955

11-50 people

Manufacturer/Service Company/Trading Company

Established brand

Product customization

OEM manufacturer

Key customer

LINCOLN MEDICAL AND MENTAL HEALTH CENTER

Description

City Gates USA is a privately owned, family-operated manufacturer and service provider headquartered in College Point, New York. Established in 1955, the company has over 65 years of experience in the design, fabrication, installation, and maintenance of commercial and industrial door systems. Operating a dedicated manufacturing plant, the company serves a diverse clientele across New York City’s five boroughs, Long Island, New Jersey, and Connecticut, while also engaging in international trade as an importer of specialized machinery and steel components.

Quintel, Inc.

🇺🇸 United States

1994

11-50 people

Manufacturer/Service Company

Established brand

OEM manufacturer

Product customization

Shipments

Key customer

CIRTEK ADVANCED TECHNOLOGIES AND

Key market

Asia

Description

Quintel, Inc. is a family-owned and operated manufacturer and service company based in Schererville, Indiana. Established in 1994, the company has over 25 years of experience specializing in the design, manufacture, repair, and remanufacturing of heat exchangers and related thermal management solutions. Operating from a state-of-the-art facility, Quintel serves a diverse range of industrial clients, including major organizations such as Alfa Laval, G.E., Rockwell International, and US Steel. The company is ISO 9001:2015 certified and is recognized as a Master Service provider for Alfa Laval. Their comprehensive product portfolio includes shell and tube heat exchangers, plate and frame units, air-cooled exchangers, marine heat exchangers, condensers, and specialized components like tube bundles and U-bend heaters. Quintel provides extensive reconditioning services, ranging from ultrasonic chemical cleaning and tube plugging to complete remanufacturing from original blueprints or existing models. Their technical capabilities extend to pipe fabrication using a variety of materials, including stainless steel, carbon steel, Hastelloy®, aluminum, and dissimilar metal combinations. With a workforce of 11 to 50 employees, Quintel handles projects of all sizes nationwide. Their service offerings are supported by advanced testing and recording equipment, ensuring quality through air testing, vacuum testing, hydro testing, and leak detection. In addition to manufacturing and repair, the company offers custom engineering, metallizing services for over 30 materials, and on-site maintenance to improve industrial process efficiency.

Stainless Steel Heat Exchangers

Water Coil Heat Exchangers

Endicott Coil Co., Inc.

🇺🇸 United States

1954

51-100 people

Manufacturer

Established brand

OEM manufacturer

Product customization

Small batch production

Key customer

IBM

Key market

🇺🇸 United States

Description

Endicott Coil Co., Inc. is a premier manufacturer of custom wound magnetic components and electronic assemblies headquartered in Binghamton, New York. Founded in 1954, the company has over 70 years of experience providing specialized engineering and manufacturing solutions to original equipment manufacturers (OEMs). Operating from a 60,000-square-foot state-of-the-art facility, the company serves high-demand sectors including aerospace, defense, medical, nuclear, automotive, and industrial electronics. The company specializes in the design and production of custom copper coils, transformers, inductors, and solenoids. Their technical capabilities are extensive, featuring CNC winding for wire gauges ranging from 4 AWG to 50+ AWG, with insulation systems rated up to 240°C. Endicott Coil is a leader in advanced secondary processes such as vacuum impregnation, overmolding, and encapsulation using materials like epoxy, silicone rubber, and high-performance thermoplastics to ensure reliability in harsh environments. Their product portfolio also includes DC-AC inverters for backlit LCDs and complex electronic assemblies. As an ISO 9001:2015 certified manufacturer, Endicott Coil maintains rigorous quality standards, including J-standard soldering and compliance with military specifications, UL, CSA, and RoHS. They offer a full lifecycle of services from rapid prototyping and short-run production to high-volume manufacturing, supported by an integrated engineering staff and in-house tooling capabilities. With a workforce of approximately 50 to 100 employees and a history of serving major clients like IBM, the company remains a critical partner for precision electromagnetic solutions.

Custom Coil Winding Assemblies

Vacuum Impregnating of Wound-Copper Coils

Overmolding of Wound-Copper Coils

Encapsulating of Wound-Copper Coils

Overmolding of Wound-Copper Coils

Custom Coil Winding Assemblies

Encapsulating of Wound-Copper Coils

Vacuum Impregnating of Wound-Copper Coils

CNC Winding of a Self-Supported Copper Coil

Paragon Steel

🇺🇸 United States

1988

51-100 people

Manufacturer/Distributor/Service Company

Established brand

OEM manufacturer

Product customization

Custom packaging

Key customer

LOMBARDI CONSTRUCTION

Key market

🇺🇸 United States

Description

Paragon Steel is a premier steel and metal distributor, manufacturer, and service provider headquartered in Commerce, California, with over 36 years of industry experience. Operating as a versatile metal service center, the company specializes in the distribution and processing of a wide range of materials, including carbon steel, stainless steel, aluminum, galvanized coil, and galvalume. Their extensive inventory features structural shapes, tubing, pipes, plates, sheets, and coils, as well as specialized alloys like brass, bronze, and copper. As an ISO 9001:2015 certified organization, Paragon Steel provides comprehensive contract manufacturing and toll processing services. Their technical capabilities include precision slitting, shearing, beam splitting, laser cutting, punching, drilling, and bending. The company serves diverse industrial sectors such as aerospace, automotive, heavy equipment infrastructure, and construction. Beyond its Southern California roots, the company maintains a significant national presence, including processing facilities in Indiana that handle inbound and outbound rail shipments. Paragon Steel is recognized for its ability to source hard-to-find materials and provide tailored solutions, supported by a workforce of approximately 50 to 100 employees dedicated to high-quality standards and just-in-time delivery.