South Bay International

What South Bay International does

South Bay International is a vertically integrated US-based OEM manufacturer and brand operator of sleep products, founded in 1993 and headquartered in Rancho Cucamonga, California. The company designs, manufactures, and distributes memory foam and latex mattresses, adjustable bases, bedding, bed frames, and pillows, plus a neuroacoustic sleep accessory (SleepEngine POD) developed in partnership with Cambridge Sleep Sciences. Core manufacturing runs out of a 775,000+ square foot facility described as one of the largest mattress and adjustable base factories in the world, with global operations and SP2 sustainability and CertiPUR-US certifications.

The company operates across nine product sub-brands (Essentials, EcoCore, ActiveAlign, Sofinity, AllureLuxe, iSwitch, Copper Gel, Blissful Nights, AlignAire) and an Enfinity Lounger furniture line, supported by proprietary technologies including Sofinity foam, Reactive Foam, patented edge support, LumiBands graphite cooling, and Air Channel/Grid airflow systems. Pricing spans roughly $470 (Essentials Queen) to $2,519 (iSwitch King), covering budget to premium tiers.

South Bay monetizes through a hybrid B2B/B2B2C/DTC model: a dealer network that white-labels or co-develops private-label sleep brands with the company handling product development, warehousing, dropshipping, and customer service; DTC e-commerce on southbayinternational.com with FedEx, white-glove, and freight fulfillment; and accessory sales. The November 2025 acquisition of Corsicana Mattress Company assets established a Corsicana Division that materially extends national manufacturing and fulfillment capacity under CEO Toby Konetzny's leadership.

Name

South Bay International

Legal name

South Bay International, Inc.

Website

https://southbayinternational.com

Company type

Private

Founded year

1993

Operating status

Operating

Headcount range

11–50 employees

Short description

South Bay International is a vertically integrated US OEM manufacturer of mattresses, adjustable bases, bedding, and sleep accessories, serving B2B dealers and DTC consumers from a 775,000+ sq ft Rancho Cucamonga facility with proprietary cooling and support technologies.

Ownership category

akta.pro rank

Headquarters

HQ city

Rancho Cucamonga

HQ country

United States

HQ region

North America

Offices2 records

Markets served

GTM type

B2B and B2C

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Mattress Sales: Sale of memory foam and latex mattresses across multiple collections including Essentials, EcoCore, ActiveAlign, Sofinity, AllureLuxe, Copper Gel, and iSwitch lines. Products sold in various sizes from Twin to Cal King.
2. Adjustable Base Sales: Sale of adjustable bases including SBKDH, SBKD3, SBKDP2, SBKDG2, SBKDL2 Lumbar, SBLB High Low Lift, and headboard-compatible models. Features include massage, underbed lighting, zero-gravity settings, and app control.
3. Bedding and Accessories: Sale of bedding products including sheets (Essentials, Bamboo Cotton Luxury, Tencel), bedding bundles, mattress protectors (Essentials, Fresh, Snow, Ice, Igloo, Quilted Cotton, Bamboo Spandex, Terry Cloth, Allerknit), and pillows.
4. Bed Frames: Sale of upholstered bed frames including Brooklyn, Zoey, Tufted models, and mattress foundations with metal and express options.
5. OEM/Private Label Manufacturing: Custom sleep brand creation for business partners, handling full product development, fulfillment, and customer service. Vertically integrated manufacturing capabilities for turnkey solutions.
6. SleepEngine POD: Neuroacoustic system for deep sleep sold as accessories. Partnership product with Cambridge Sleep Sciences delivering neuroscience-backed audio technology.

Pricing tiers

Go-to-market motion2 records

Distribution channels5 records

Marketing channels6 records

Core offering

South Bay International is a vertically integrated OEM mattress and adjustable base manufacturer that designs, produces, and ships memory foam, latex, hybrid, and specialty mattresses, adjustable bases, bed frames, bedding, and sleep accessories. The company serves B2B dealers and retailers through private label, turnkey, and custom sleep solutions with nationwide dropshipping, while also selling direct-to-consumer through its own e-commerce storefront under multiple sub-brands including Essentials, EcoCore, ActiveAlign, Sofinity, AllureLuxe, iSwitch, and Blissful Nights Copper Gel.

Product overview

South Bay International is a vertically integrated manufacturer and B2B sleep solutions company offering mattresses (memory foam, latex, hybrid, and specialty), adjustable bases, pillows, bed frames, bedding, and accessories. The company operates multiple product sub-brands including Essentials, EcoCore, ActiveAlign, Sofinity Hybrid, AllureLuxe (with Lumi Bands cooling technology), iSwitch (flippable), and Copper Gel/Blissful Nights. Core products include mattresses, adjustable bases, pillows, bed frames, and bedding. Accessories include SleepEngine POD neuroacoustic system, battery backup, and adjustable base replacement parts. The Enfinity Lounger is a modular furniture piece. The company acquired Corsicana Mattress Company assets in November 2025. B2B offerings include private label, turnkey, and custom sleep solution services. Sustainability certifications include SP2 from Mattress Recycling Council and CertiPUR-US for foam products.

Differentiator

Problem solved

Functional benefit

Brands

• EcoCore: Eco-conscious mattress collection using sustainable materials including soy-based foams and bamboo charcoal-infused materials.
• Sofinity
• LumiBands
• ActiveAlign
• AllureLuxe
• Enfinity Lounger
• AlignAire
• SleepEngine
• iSwitch

Products and services

• Essentials Mattress Collection Budget-friendly memory foam mattresses available in 6, 8, 10, and 12-inch profiles with gel-infused Air Foam, Air Channel base foam for cooling, and CertiPUR-US certified foams. Sold to consumers online and to dealers at wholesale.
• EcoCore Collection Sustainable comfort mattresses using soy-based foams, bamboo charcoal-infused materials, and advanced cooling technology, positioned for environmentally conscious consumers.
• ActiveAlign Collection Recovery-focused mattresses with Reactive Foam Technology, copper-gel infused memory foam for cooling and antimicrobial properties, and zoned support for spinal alignment. Targets active lifestyle consumers.
• Sofinity Hybrid Collection Premium hybrid mattresses featuring proprietary Sofinity foam technology with revolutionary structure for breathability, cooling, and ergonomic support, engineered with twice the airflow for temperature regulation.
• AllureLuxe Collection Luxury 14-inch mattresses featuring LumiBands graphite cooling technology, bamboo charcoal-infused memory foam, and pocketed coils, positioned for restorative luxury sleep.
• iSwitch Flippable Mattress Two-sided 12-inch flippable mattress allowing consumers to switch between medium firm and medium soft comfort levels, with patented edge support increasing usable sleep surface by 20% and Air Grid base foam.
• Copper Gel Infused Mattress (Blissful Nights) Memory foam mattresses with copper-infused antimicrobial memory foam for cooling and wellness benefits, motion-isolating layers, and CertiPUR-US certified foams.
• Adjustable Bases Electric adjustable bed bases allowing users to adapt bed position, with models including lumbar support, high-low lift with tilt, headboard compatibility, massage functions, and app control.
• Pillows Sleep pillows in multiple formats and materials including cooling and infused options, positioned as a complementary purchase to mattress products.
• Bed Frames Upholstered bed frames in neutral colors with simple assembly, available in Full, Queen, King, and Cal King sizes with designer-style aesthetics for showroom appeal.
• Bedding Bedding products including luxury sheets (Bamboo Cotton, Tencel, Essentials), mattress protectors (Cooling, Fresh, Snow, Ice, Igloo encasement, Quilted Cotton, Bamboo Spandex, Terry Cloth, Allerknit), and bundled bedding sets.
• SleepEngine POD Neuroacoustic sleep system developed in partnership with Cambridge Sleep Sciences that uses streamed audio technology with a dedicated speaker setup for deep sleep and cognitive support.
• Enfinity Lounger Fully modular, customizable, and rearrangeable comfort furniture extending sleep industry technologies to the furniture world with multiple configuration and comfort options.
• High-Low Lift Adjustable Base Adjustable base with high-low lift function that raises and lowers the entire sleep surface, promoting independence and safety for users with limited mobility and reducing fall risk.
• Private Label / Custom Sleep Solutions B2B service offering custom sleep brand creation, private label manufacturing, fulfillment, and customer service for dealers and business partners. Turnkey solutions from design to execution with no minimum order quantities.

Quantifiable outcome

• Lumi Bands dissipate heat 79% faster than standard materials
• +6 more outcomes

Segments3 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration3 records

Feature6 records

Partnerships

Two partnerships are on record, tiered core.

• Cambridge Sleep SciencescoreStrategic or Co-development Partner · 14 January 2026Partnership to integrate Cambridge Sleep Sciences' SleepEngine™ neuroacoustic audio technology into South Bay International's mattress products. The technology delivers neuroscience-backed audio for deep sleep through a dedicated service and speaker setup. This partnership positions South Bay at the intersection of physical sleep products and cognitive wellness technology.
• Corsicana Mattress CompanycoreStrategic or Co-development Partner · 14 November 2025Asset acquisition of select assets from Corsicana Mattress Company. South Bay International established the Corsicana Division to support ongoing manufacturing, service, and fulfillment capabilities. The acquisition strengthens South Bay's national footprint and customer relationships.

Scale indicators4 records

Recent moves6 records

Expansion highlights6 records

Direct peers

• Corsicana Mattress Company: US-based mattress manufacturer whose key assets South Bay acquired in November 2025. Historically a direct peer offering private-label and branded mattresses to retailers across the US — same OEM model, similar US dealer channel, and overlapping product categories.
• Brooklyn Bedding: US mattress manufacturer that operates both an OEM/private-label business and consumer DTC brands. Highly comparable to South Bay: vertically integrated manufacturing, B2B dealer partnerships, and DTC storefronts selling memory foam, hybrid, and specialty mattresses.
• Kingsdown: Long-established US mattress manufacturer with a private-label/OEM model serving independent retail dealers, plus its own branded lines. Comparable scale, customer base, and channel strategy to South Bay's dealer-first business.
• Restonic Mattress Corporation: Independent mattress manufacturer licensing regional producers across the US. Operates an OEM/private-label model with branded consumer products, serving a similar independent-retailer base to South Bay.
• Casper Sleep: DTC-native mattress brand selling foam and hybrid mattresses direct-to-consumer online. Competes head-on with South Bay's DTC mattress and bedding assortment for the same consumer wallet share.
• Purple Innovation: Innovation-led mattress brand with proprietary Hyper-Elastic Polymer and a grid technology comparable in narrative to South Bay's Lumi Bands and Sofinity foam. Targets the same premium DTC and retail consumer.
• Saatva: Premium online mattress and bedding retailer (Saatva, Loom & Leaf, Zenhaven). Competes with South Bay's DTC channel in premium memory foam, latex, and adjustable base categories with strong brand-led storytelling.
• Leesa Sleep: DTC mattress brand selling memory foam and hybrid mattresses online with sustainability and social-impact positioning. Comparable premium DTC competitor overlapping South Bay's EcoCore and Essentials sub-brands.

Broad incumbents

• Tempur Sealy International: Largest US mattress manufacturer (Tempur-Pedic, Sealy, Stearns & Foster) with broad portfolio across price points. Overlaps with South Bay in mattress manufacturing, B2B dealer distribution, and DTC e-commerce, but at far greater scale and with much higher brand awareness.
• Sleep Number Corporation: National retailer/manufacturer of adjustable air beds with strong DTC and retail footprint. Competes most directly with South Bay's adjustable-base line and overlapping mattress categories, but at significantly larger scale and brand recognition.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• YouTubeyoutube.com/channel/UC8Lf7oSCyHoRCpN9_AcsZrg
• LinkedInlinkedin.com/company/southbayinternational
• Instagraminstagram.com/southbayinternational

Compliance2 records

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 International