As a member of the O’Neal Industries family of companies (ONI), O’Neal Manufacturing Services and its customers benefit from a closely affiliated network of businesses presenting a full line of metals and processing capabilities.

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O’Neal Industries

O’Neal Industries

O’Neal Industries (ONI) is a family of closely related companies, all engaged in the metals industry. Providing products and services that range from steel beams and plates to specialty alloys and complex manufactured components, ONI supplies customers across a variety of industries worldwide. Together, our companies – G&L Tube, Leeco Steel, Locate Supplies, O’Neal Manufacturing Services, O’Neal Steel, Slice of Stainless, Stainless Tubular Products, TW Metals, and United Performance Metals – represent the nation’s largest family-owned network of metals service centers and component and tube manufacturing businesses.

Industrial Metals Group

Leeco Steel

Leeco Logo

Leeco Steel (Leeco) is North America’s largest steel plate supplier, with 10 strategically-located distribution centers stocked with carbon, HSLA and alloy steel plate. Founded in 1882, Leeco is well-known for having deep inventories of steel plate, and also offers steel plate processing services, including flame cutting, drilling and shot blasting. Backed by an award-winning safety program and ISO 9001 certified quality management system, Leeco delivers quality products with unmatched service, including digital document delivery on all orders and online ordering and order management via its Leeco Pro platform. Leeco supplies large quantity commodity products to companies around the world via its expert Trading division.

O’Neal Steel

O’Neal Steel founded in 1921, is headquartered in Birmingham, Alabama. The company supplies a wide range of carbon and alloy steel, stainless steel and aluminum products for companies nationwide. In addition, we offer value-added processing capabilities tailored to market needs, all while providing high levels of customer service. O’Neal Steel’s industry leading e-commerce platform, PRONTO®, provides continuous access to inventory, pricing, ordering, and account management.

High-Performance Metals Group

TW Metals


TW Metals (TW) is a full-line specialty metals supplier serving customers in aerospace, nuclear, fabrication, energy, and transportation industries. Headquartered in Exton, Pennsylvania, TW offers customers tube, pipe, bar, sheet, plate, and extrusions in stainless, aluminum, nickel, titanium and other high-value alloys. In addition to distributing special metals, TW Metals partners with customers to provide innovative supply chain solutions, streamlining and customizing programs to suit specific production needs. TW has 30 stocking locations in North America, Europe, and Asia providing outstanding service to satisfied customers worldwide.

Stainless Tubular Products


Stainless Tubular Products (STP) is a specialty stainless steel tubing and pipe supplier, providing nickel alloy, tubing, pipe, fittings and hollow bar products to customers nationwide. Offering one of the nation’s largest and most diverse inventories of ornamental and mechanical tubing, we provide in-house production and polishing departments that custom cut and finish stainless steel pipe and tubing to any […]

United Performance Metals


United Performance Metals (UPM), an O’Neal Industries affiliate company, is a global specialty metals solutions center serving customers in a variety of industries including aerospace, defense, space, fastener, medical, power generation, oil and gas, semiconductor and many others. UPM offers a comprehensive inventory of high-performance metals and alloys, including nickel alloys, titanium, stainless steel, cobalt alloys, PRODEC®, alloy steel, cobalt chrome moly, and aluminum in sheet, coil, strip, precision thin gauge strip, bar, plate and near net shapes. Our FIRSTCUT+® Processing Services include include cut-to-length, leveling, slitting, edging, precision rerolling, shearing, laser cutting, water jet cutting, sawing, precision cold saw cutting, and more. UPM also proudly serves the additive manufacturing industry through UPM Additive Solutions by providing end-to-end supply chain solutions from feedstock supply management to to finished part manufacturing. UPM is headquartered in Cincinnati, Ohio, UPM maintains thirteen service centers worldwide.

G&L Tube

G&L Tube is a leading North American manufacturer of small diameter, thin wall tubing in stainless steel, nickel alloys, titanium, and Monel®. Established over 40 years ago, G&L’s products are produced for blue-chip OEM and Tier 1 customers serving diverse applications such as heating elements, vehicle fuel systems, HVAC, and other heat and corrosion-resistant applications. G&L utilizes proprietary metal forming and seam welding technology.

Slice of Stainless

Slice of Stainless is a specialty grade stainless steel and nickel alloy sheet solutions center serving customers in a wide variety of industries including aerospace, defense, space, medical, and many more. In addition to distributing specialty grade stainless and nickel sheet, Slice partners with their customers by providing same day shipment, value-added processing capabilities, innovative supply chain solutions and customizable material programs to fit production needs. Located in Cincinnati, OH, Slice was founded over 25 years ago to serve this niche market and has established clear leadership in the space with high brand awareness and incredible customer loyalty.

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