Southwark Metal

Name

Southwark Metal

Legal name

Southwark Metal Mfg. Co.

Website

https://southwarkmetal.com

Company type

Private

Founded year

1946

Operating status

Operating

Headcount range

251–500 employees

Ownership category

akta.pro rank

Product category

HVAC Sheet Metal Ductwork & Fittings Manufacturing

NAICS

Sheet Metal Work Manufacturing (332322)

SIC

Sheet Metal Work (3444)

akta.pro primary industry

Ductwork, Duct Fittings & Air Distribution (Diffusers/Grilles/Registers) (IMADANAC)

Keywords

• HVAC sheet metal ductwork
• Residential duct fittings
• Wholesale HVAC distribution
• Fabricated metal pipe
• Light commercial ductwork

Headquarters

HQ city

Philadelphia

HQ country

United States

HQ region

North America

Offices8 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Personnel, Operations, Supply Chain, Infrastructure, Marketing or Sales, Technology or R&D

Revenue model

1. HVAC Sheet Metal Product Sales: Southwark manufactures and sells prefabricated sheet metal ducts, pipes, and fittings for residential and light commercial HVAC applications exclusively through wholesale distributors. Revenue is generated through product sales with standard B2B transactions.

Go-to-market motion3 records

Distribution channels1 record

Marketing channels5 records

Core offering

Southwark Metal Manufacturing Co. designs and manufactures prefabricated HVAC sheet metal pipes, ducts, and fittings for residential and light commercial forced-air heating and cooling systems. The company maintains an in-stock catalog of over 3,000 standardized items across approximately 18 product sub-categories and produces custom-fabricated components to specification. All products are sold exclusively through wholesale HVAC distributors served by seven regional U.S. manufacturing divisions.

Product overview

Southwark Metal Manufacturing Co. is a single unified product company specializing in prefabricated sheet metal ducts and fittings for residential and light commercial HVAC applications. The core product line consists of HVAC Sheet Metal Pipe, Duct, and Fittings with over 3,000 quality items in stock. These are organized into product sub-categories including: Accessories and Furnace Fittings, Air-Tite Takeoffs (side takeoffs, top takeoffs, round pipe takeoffs), Aluminum and Stainless Steel Pipe and Fittings, Black Pipe and Fittings, Cleats and Drives, CRD Boots, Ductboard Collars and Takeoffs, Metal Collars and Takeoffs (including long style flat collars), Mobile Home Kits and Fittings, Outlets and Boxes (diffuser boxes), Oval Pipe, Return Air Products, Round Pipe/Elbows/Register Boots, Spiral Pipe and Fittings, Tees/Wyes/Reducers, Trunk Duct and Fittings, Venting Products, and Wallstack and Fittings (wallstacks, angles, elbows, stackheads, stack boots, takeoffs, adapters, dampers). Supporting services include Southwark University Online (online training platform) and Southwark University In-Person Training (for contractors on air flow dynamics and duct sizing), plus the Duct Design Center technical resource. The company operates seven manufacturing facilities across the United States to serve distributors nationwide.

Differentiator

Problem solved

Functional benefit

Brands

• Southwark University: Online training platform providing educational courses for HVAC professionals, launched in 2026. Features courses created by Technical Training Manager Eric Kravitz on air flow dynamics and duct sizing.

Products and services

• HVAC Sheet Metal Pipe, Duct, and Fittings Prefabricated sheet metal ductwork and fittings for residential and light commercial forced-air HVAC systems, sold exclusively through wholesale HVAC distributors across seven U.S. regional divisions. Conforms to ACCA Manual D equivalent length standards and uses UL Class 0 fire-rated materials.
• Southwark University Online Training Free online training platform (southwarkuniversity.com) for HVAC professionals and contractors, offering beginner and advanced courses on air flow dynamics, duct sizing, and sheet metal fittings. Courses created by Technical Training Manager Eric Kravitz.
• Southwark University In-Person Training Free in-person HVAC training seminars covering air flow dynamics and duct sizing, taught by Technical Training Manager Eric Kravitz. Accredited for NATE technicians and grants CEUs in some states.

Quantifiable outcome

• Over 1,000 contractors educated through Southwark's training programs

Named customers6 records

Segments3 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature4 records

Partnerships

Eight partnerships are on record, tiered minor, core and major.

• Mississippi Development AuthorityminorOthers · 27 March 2026State economic development agency supporting the $29+ million expansion of Southwark's Mississippi Division facility in Hernando, MS through the Mississippi Flexible Tax Incentive program. Construction expected to complete March 2027.
• Blue HawkcoreChannel Partner/ Reseller/ DistributorBlue Hawk is a cooperative/buying group for HVAC distributors. Southwark maintains a logo partnership and active participation in Blue Hawk Annual Conference, representing a core channel partnership for national distribution reach.
• Embassy GroupcoreChannel Partner/ Reseller/ DistributorEmbassy Group is a buying group partner for HVAC distributors. Southwark's logo partnership indicates a strategic relationship for market access through member distributors.
• WIT (Western Industry Trading)coreChannel Partner/ Reseller/ DistributorWIT is a buying group partner for HVAC distributors. Southwark's logo partnership demonstrates commitment to serving member distributors across the western United States.
• HARDI (Heating, Air-Conditioning, Refrigeration Distributors International)coreChannel Partner/ Reseller/ DistributorHARDI is a major HVACR distributor association. Southwark is an active member participating annually in the HARDI Annual Conference and maintains a vendor relationship with member distributors.
• WinWholesalemajorChannel Partner/ Reseller/ DistributorWinWholesale is one of the largest HVAC wholesale companies in the nation. Southwark maintains a national account relationship serving WinWholesale locations across the country.
• Johnstone SupplymajorChannel Partner/ Reseller/ DistributorJohnstone Supply is a major national HVAC parts distributor. Southwark maintains a national account partnership for product distribution through Johnstone's storefront locations.
• ACDoctorminorChannel Partner/ Reseller/ DistributorACDoctor is an HVAC service and parts platform. Logo partnership indicates a commercial relationship for market access.

Scale indicators7 records

Recent moves10 records

Expansion highlights6 records

Others

• Duro Dyne: Manufacturer of HVAC accessories including ductwork support hardware, tape, sealants, and fittings — adjacent supplier into the same HVAC distributor channel as Southwark.

Regional players

• Lindab: European-headquartered manufacturer of ventilation ductwork and HVAC sheet metal products with similar product range; competes with Southwark in concept but primarily in European markets.

Direct peers

• M&M Manufacturing: U.S. manufacturer of HVAC sheet metal ducts, pipe, and fittings serving wholesale distributors in residential and light commercial markets — the closest direct competitor to Southwark in product mix, customer base, and channel.
• Ductmate Industries: Manufactures ductwork connection systems, fittings, and accessories for the HVAC industry — directly comparable as a sheet-metal HVAC product supplier selling into the same distributor channel.
• East Coast Metal Systems: U.S. sheet metal HVAC duct and fittings manufacturer serving residential and commercial customers across the eastern U.S. — overlapping product mix and channel with Southwark.
• Sheet Metal Connectors (SMCI): U.S. fabricator of HVAC sheet metal duct, fittings, and accessories sold through wholesale distribution with a comparable product portfolio to Southwark's.
• Hart & Cooley: Long-standing U.S. manufacturer of HVAC registers, grilles, duct, pipe, and fittings with a comparable wholesale distribution model and residential/light commercial focus.

Broad incumbents

• Selkirk (Johns Manville / Berkshire Hathaway): Selkirk Metalbestos and Johns Manville produce HVAC chimneys, duct, pipe, and insulation products distributed through HVAC wholesalers — a much larger incumbent with overlapping residential duct categories.
• Greenheck: Larger U.S. manufacturer of commercial HVAC equipment, dampers, louvers, and ventilation components — broader in scope but overlapping in the HVAC sheet-metal and ventilation category.

Emerging players

• Flexible Technologies / Thermaflex: Manufacturer of flexible HVAC duct and insulation products targeting residential and commercial installations — a key substitute-material competitor to rigid sheet metal duct offerings.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks5 records

Key highlights7 records

Customer concentration

• LinkedInlinkedin.com/company/southwark-metal-mfg.-co.

Revenue estimate

Valuation estimate

Number of profiles

Profiles6 records

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 Southwark Metal