Southwest Stainless & Alloy

What Southwest Stainless & Alloy does

Southwest Stainless & Alloy is a US-based industrial distributor of pipe, fittings, and flanges (PFF) serving the petrochemical, chemical, oil & gas, refining, power generation, mining, and wastewater treatment industries. Founded in 1974 and headquartered in Pearland, Texas, the company stocks and supplies stainless steel, carbon steel, chrome alloys, nickel alloys, and HDPE piping products in a wide range of grades, with custom cutting and fabrication services and 24-hour field installation crews. The business operates primarily from multiple stocking locations across North America, with an international sales team based in Houston serving global markets via direct and indirect channels on a quote-based, project-driven pricing model. The company also operates an authorized McElroy fusion equipment rental and repair center supporting its HDPE offerings, and is ISO 9001:2008 certified.

Southwest Stainless & Alloy is privately held and operates as part of FloWorks International LLC, a diversified flow-control and PVF group comprising approximately seventeen operating companies. The company was acquired by Hughes Supply in 1996 alongside sister company Sunbelt Supply Co., then later transitioned to FloWorks ownership, under which it expanded its stocked material grades and stocking footprint. Its core competitive positioning rests on inventory scale (one of the largest diversified PFF inventories in North America), JIT delivery programs, allocated tonnage arrangements, and ERP-integrated Metal Trace MTR traceability. The business model is a traditional industrial distribution model with revenue generated through one-time product sales priced per specification, with no disclosed recurring SaaS, subscription, or service-revenue streams. No AI/ML, software product, or technology-platform assets are referenced in the available data.

Name

Southwest Stainless & Alloy

Legal name

Southwest Stainless and Alloy

Website

https://sw-stainless.com

Company type

Private

Founded year

1974

Operating status

Operating

Headcount range

101–250 employees

Short description

Southwest Stainless & Alloy is a US-based industrial distributor of pipe, fittings, and flanges (stainless, carbon, chrome, nickel alloys, and HDPE), serving petrochemical, oil & gas, refining, power generation, mining, and wastewater customers across North America and global markets.

Ownership category

akta.pro rank

Product category

Industrial Pipe, Fittings & Flanges Distribution

NAICS

Fabricated Pipe and Pipe Fitting Manufacturing (332996), Iron and Steel Pipe and Tube Manufacturing from Purchased Steel (33121), Other Metal Valve and Pipe Fitting Manufacturing (332919)

SIC

Wholesale-Industrial Machinery & Equipment (5084), Steel Pipe & Tubes (3317)

akta.pro primary industry

Specialty & Alloy Steel (Stainless, Tool Steel, Electrical Steel, High-Strength/HSLA) (IMAKABAJ)

Keywords

• Stainless steel distribution
• Pipe fittings flanges
• Alloy piping products
• HDPE piping systems
• Industrial metal supply

Headquarters

HQ city

Pearland

HQ country

United States

HQ region

North America

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

Supply Chain, Operations, Infrastructure, Personnel, Marketing or Sales

Revenue model

1. PFF Product Distribution: Distribution of pipe, fittings, and flanges in various material grades including stainless steel, carbon steel, chrome, nickel alloys, and HDPE. Revenue generated through product sales to industrial customers in petrochemical, chemical, oil & gas, power generation, mining, and other industries.

Go-to-market motion1 record

Distribution channels3 records

Marketing channels3 records

Core offering

Southwest Stainless & Alloy is an industrial PFF (Pipe, Fittings, and Flanges) distributor that stocks and supplies one of the largest inventories across North America of stainless steel, carbon steel, chrome, nickel alloy, and HDPE piping products. Products are cut, sized, and prepared precisely to specification with minimal preparation needed for shipment to local, national, or global industrial markets, complemented by custom fabrication, fusion equipment rental, and field installation services.

Product overview

Southwest Stainless & Alloy is a PFF (Pipe, Fittings, and Flanges) distributor and HDPE piping solutions provider operating as part of the FloWorks International LLC family of companies. The company offers a comprehensive portfolio of stainless steel PFF products (grades 304/304L, 316/316L, 310S, 317L, 321/321H, 347/347H, 410, 904L, 2205, 254SMO), chrome piping products (P11, P22, P5, P9 grades), carbon steel piping (A105, A234 grades), nickel alloy piping (grades 20, 200, 400, 600, 625, 800/800H/800HP, 825, C-276), and HDPE piping systems. Products are complemented by custom fabrication services including custom cutting, fitting, plastic fabrication, fusion equipment rental through McElroy, and 24-hour field installation services. The company maintains one of the largest diversified inventories across North America with stocking locations serving the Gulf Coast and broader North American markets.

Differentiator

Problem solved

Functional benefit

Products and services

• Stainless Steel PFF Products Stainless steel pipe, fittings, and flanges available in grades including 304/304L, 310S, 316/316L, 317L, 321/321H, 347/347H, 410, 904L, 2205 (Duplex), and 254SMO. Includes seamless pipe, welded pipe, butt-weld fittings, pressure fittings, valves, tubing, bar, and flanges for industrial customers in petrochemical, chemical, oil & gas, and other process industries.
• Chrome Piping Products Chrome alloy pipe and fittings for high-temperature applications in refineries and power plants. Available grades include P11, P22, P5, and P9 for applications such as extraction steam lines, main steam systems, petrochemical installations, and fluid catalytic crackers.
• Carbon Steel Piping Products Commodity carbon steel pipe, fittings, and flanges including grades A105 and A234. Includes flanges, forged steel fittings, butt-weld fittings, seamless pipe, welded pipe, and tubing for petrochemical, power generation, and general-purpose pipeline applications.
• Nickel Alloy Piping Products High-quality nickel alloy products including grades 20, 200, 400, 600, 625, 800/800H/800HP, 825, and C-276. Products include seamless pipe, welded pipe, pressure fittings, 150# fittings, and tubing for chemical processing, power generation, seawater applications, and severe environments.
• HDPE Piping Systems High-density polyethylene piping systems with material grades including HDPE, PVC, Polypropylene, Teflon, and Kynar. Includes plastic piping systems design engineering, fabrication, electro fusion and plastic welding services, and field installation with trained crews available 24 hours.
• Custom Fabrication Services Custom cut and fit steel piping solutions, non-standard sizes and cuts, plastic fabrication including custom fittings, structures, tanks, manholes, and accessories. Services include pipe bursting, slip lining, dual containment, directional drilling, and manhole connections.
• Fusion Equipment Rental (McElroy) Authorized McElroy Rental Center offering fusion machine rentals, sales, and repairs. Factory-certified fusion technicians available for consultation, fabrication, and installation support.

Segments6 records

Ideal customer profiles6 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Partnerships

Three partnerships are on record, tiered core and minor.

• FloWorks International LLCcoreOthersCurrently owned and operated by FloWorks International LLC. Part of a family of award-winning companies providing integrated PVF solutions. FloWorks International LLC is expanding to meet customers' needs domestically and internationally and competes for new projects and contracts on a global scale.
• Sunbelt Supply Co.coreOthersSister company acquired together with Southwest Stainless & Alloy in 1996 by Hughes Supply. Sunbelt Supply Co. is a world leader in supply and distribution of flow control products including manual valves, automated valves, valve field services, and specialty PFF. Through partnership with Sunbelt Supply Co., Southwest Stainless & Alloy provides V&A products and accessories.
• McElroyminorOthersAuthorized McElroy Rental Center, distributor and repair center. Southwest Stainless & Alloy is equipped to handle all fusion machine rental requirements through this partnership, providing McElroy fusion equipment rentals and repairs to customers.

Scale indicators4 records

Recent moves6 records

Expansion highlights4 records

Market position

Competitive moat5 records

Key highlights6 records

Customer concentration

• LinkedInlinkedin.com/company/southwest-stainless

Compliance1 record

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Southwest Stainless & Alloy