South Bay Foundry

Name

South Bay Foundry

Legal name

South Bay Foundry, Inc.

Website

https://southbayfoundry.com

Company type

Private

Founded year

1986

Operating status

Operating

Headcount range

11–50 employees

Ownership category

akta.pro rank

Product category

Metal Castings and Steel Fabrication

NAICS

Iron Foundries (331511), Steel Foundries (except Investment) (331513), Plate Work Manufacturing (332313)

SIC

Iron & Steel Foundries (3320), Sheet Metal Work (3444)

akta.pro primary industry

Steel Casting (Continuous Casting, Ingots, Semi-Finished Slabs/Billets/Blooms) (IMAKABAD)

akta.pro secondary industries

Steel Plate, Sections & Welded Assemblies (IMADACAD), Specialty & Alloy Steel (Stainless, Tool Steel, Electrical Steel, High-Strength/HSLA) (IMAKABAJ)

Keywords

• Iron castings manufacturing
• Steel fabrication products
• Municipal infrastructure castings
• Site furnishings supply
• Foundry industrial sourcing

Headquarters

HQ city

San Bernardino

HQ country

United States

HQ region

North America

Offices3 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Supply Chain, Operations, Personnel, Infrastructure

Revenue model

1. Metal Castings and Fabricated Products: One-time sale of iron and steel castings, fabricated metal products, and site furnishing products to municipalities, construction companies, and industrial clients

Go-to-market motion1 record

Distribution channels1 record

Marketing channels2 records

Core offering

South Bay Foundry manufactures and supplies gray and ductile iron castings, specialty steel fabrications, and site furnishing products for public works, water infrastructure, specialty steel, industrial, and urban landscape applications. The company sells through three California sales offices and sources additional industrial castings, forgings, and machined parts from a network of 45+ ISO 9000 certified foundries in China managed by its APCTJ trading subsidiary.

Product overview

South Bay Foundry is a manufacturer and supplier of iron castings, steel fabrication products, and site furnishings. The company operates five product divisions: Public Works Division (manhole frames, gate caps, iron frames/grates, riser rings, REM wattles/filters), Water Works Division (extensions, burys, rectangular pipe), Specialty Steel Fabrication (standard/ADA grates, curb inlets, Caltrans-approved products, trash racks, handrails), Industrial Division (global sourcing of castings and forgings from China), and Site Furnishing (bicycle loops, bollards, plaques, park benches, trash receptacles, tree grates, tree guards). Founded in 1986, the company serves municipal, construction, and industrial customers with three California locations.

Differentiator

Problem solved

Functional benefit

Brands

• APC Tianjin International Trading Company (APCTJ): Trading company subsidiary in China with engineering and international trade professionals in Beijing and Tianjin overseeing product development.

Products and services

• Manhole Frames and Covers Gray and ductile iron municipal and construction castings for infrastructure access points, stocked in a wide selection for public works customers.
• Gate Caps Meter Boxes Meter boxes designed for gate cap applications in municipal water systems.
• Iron Frames and Grates Wide selection of gray and ductile iron municipal and construction castings for various infrastructure applications.
• Riser Rings Adjustable riser rings for manhole and utility applications.
• REM Wattles and Filters Erosion control wattles and filters for environmental protection applications.
• Extensions (Water Works) Pipe extensions for water works infrastructure applications.
• Burys Bury fittings including el flanges, mechanical joints, and push-on configurations for water pipeline systems.
• Rectangular Pipe Cast iron rectangular pipes with bell and spigot ends for under-sidewalk drain structures.
• Standard and ADA Frames/Grates Standard and ADA-compliant frames and grates including high-heel proof options, traffic rated, and various regional standards (APWA, CPC, Jensen, Central Precast, Riverside).
• Curb Inlets Steel curb inlets for drainage applications, maintained in large inventory.
• Steel Frames and Grates (Cal-Trans Approved) Cal-Trans-approved steel frames and grates in multiple grate types (E2020, E2021, E2023, E2040, E2050, E2070, E2080, E3030, E3032, E3035, E3037, E3040, E3050, E3060, E3070), frames, and support beams.
• Frames/Grates (General) General steel frames and grates for industrial applications.
• Steel Accessories Steel accessories including valve extensions, bench shipping racks, wedges, pallet stakes, and angle clips.
• Curb Angle / Face Plates San Diego regional standard and APWA face angles and face plates with various support bolt options.
• Trash Racks Trash racks, debris cages, and sloped protection barriers meeting APWA and Caltrans standards for drainage applications.
• Handrails Handrails fabricated from steel pipe, aluminum pipe, or other materials with field measurement and installation services.
• Industrial Sourcing and Supply Sourcing and supply of castings, forgings, and fabricated metal parts including gray iron, ductile iron, steel, stainless steel, aluminum, brass, and rubber/plastic products from 45+ foundries in China for North American industrial customers.
• Bicycle Loops Bicycle parking loops and racks made from ASTM A53 2" steel pipe, available in various lengths with surface mount and concrete embedment options.
• Bollards Decorative and functional bollards for walkway safety, including illuminative and non-illuminative options in stationary and removable configurations.
• Plaques Custom plaques for commemorative and wayfinding applications.
• Park Benches Durable park benches from classical Victorian to modern contemporary styles (models PB100, PB200-ITA, PB200-NB, PB400, PB400-NB) in various lengths.
• Trash Receptacles Trash receptacles including Model DTR 125 with open and closed configurations.
• Tree Grates Tree grates in multiple styles (SP, STA, STB, STC, 3D, IVY, NAT, NS, STBM, LPT, SLC, CNK, AMR) made from ductile iron with ADA compliance, in square, round, rectangular, and square-to-round configurations.
• Tree Guards Tree guards (GD-A, GD-B, GD-C styles) that protect young trees and prevent stepping in tree wells, with optional finished top rod.
• Tree Grates Frames Tree grate frames in multiple installation styles (CI, RF, CIP, AP) in various sizes and shapes.

Segments5 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature3 records

Partnerships

One partnership is on record.

• APC Tianjin International Trading Company (APCTJ)coreStrategic or Co-development PartnerSouth Bay Foundry's trading company in China based in Beijing and Tianjin, with a team of eight engineers and international trade professionals. APCTJ oversees product development, quality control, and logistics for imports from China. This partnership enables South Bay Foundry to source products from their network of 45+ factories while maintaining quality oversight.

Scale indicators4 records

Recent moves5 records

Direct peers

• Tyler Pipe (McWane): Cast iron soil pipe and fittings manufacturer serving plumbing and drainage markets. Comparable to South Bay’s Water Works Division and adjacent to its public works iron castings, with overlapping municipal and construction customers.
• Neenah Foundry: Iron foundry producing municipal castings, drainage products, and infrastructure ironwork, with a long history in manhole covers and gratings. Directly comparable in product mix and target customers, though Neenah is significantly larger and more diversified geographically.
• Charlotte Pipe and Foundry: Manufacturer of cast iron pipe and fittings for plumbing, drainage, and waterworks applications. Directly comparable to South Bay’s Water Works Division (extensions, burys, rectangular pipe) and serves overlapping municipal and construction customers.
• U.S. Foundry & Manufacturing Corporation: Florida-headquartered iron and steel foundry making manhole frames, covers, grates, and other municipal castings. A close direct competitor serving the same public works bid lists as South Bay Foundry, with comparable product breadth.
• East Jordan Iron Works: One of the largest North American manufacturers of municipal iron castings — manhole covers, frames, grates, and drainage products. Directly competes with South Bay Foundry in public works and water works specifications, with comparable product categories and municipal customers.
• Campbell Foundry Company: Pennsylvania-based iron foundry producing gray, ductile, and alloyed iron castings for municipal, industrial, and construction markets. Directly comparable in product type and customer base to South Bay Foundry, though serving a different geography.

Regional players

• Vulcan Industries: Manufacturer of municipal and site furnishing products including cast iron tree grates, manhole covers, and street infrastructure. Comparable to South Bay’s Site Furnishing and Public Works divisions, with overlap in tree grates and ADA-compliant products.
• Border Foundry: Foundry producing municipal and construction castings in the western United States. A regional competitor in similar gray and ductile iron product lines, comparable to South Bay’s public works and water works offerings.

Broad incumbents

• McWane: Parent company of Tyler Pipe, Bibby Ste-Croix, and other iron foundries producing waterworks, plumbing, and municipal castings. A broad incumbent in municipal and water works iron casting, competing with South Bay in many of the same bid categories.
• American Cast Iron Pipe Company (ACIPCO): Large diversified iron manufacturer producing ductile iron pipe, fittings, and fabricated products for waterworks, industrial, and municipal markets. A broader incumbent in the same space as South Bay Foundry’s iron castings business, with much larger scale.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat4 records

Key risks6 records

Key highlights6 records

Customer concentration

• Instagraminstagram.com/SOUTHBAYFOUNDRY
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• LinkedInlinkedin.com/company/south-bay-foundry

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Subsidiaries1 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 South Bay Foundry