Southern Intermodal Xpress

What Southern Intermodal Xpress does

Southern Intermodal Xpress (SIX) is a private, asset-based intermodal logistics company headquartered in Mobile, Alabama with a second operating terminal in New Orleans, Louisiana. The company provides container drayage, depot management, and warehousing services to ocean carriers, steamship lines, freight forwarders, and import/export shippers moving containerized cargo through the Gulf Coast ports of Mobile and New Orleans. SIX holds interchange agreements with all major steamship lines and railroads serving the Gulf of Mexico and operates an owned fleet of specialized 20' tri-axle tilt chassis and 40' dump trailers capable of handling overweight and out-of-gauge containers, including refrigerated units.

The company runs 18+ acre depot facilities in both Mobile and New Orleans for container storage and equipment management, supported by Depot Systems software for daily activity and inventory reporting. Through an exclusive partnership with sister company Point Logistics, SIX extends drayage coverage up to 400 miles from Mobile, adding flatbed, van, and bulk freight services backed by a network of 1,000+ contracted independent owner-operators. A partnership with Merchants Transfer Co. provides 2.1+ million square feet of warehouse space in Mobile County with flexible leasing arrangements.

Revenue is generated primarily through transaction-based container drayage fees, recurring depot storage and interchange fees from steamship lines and railroads, and subscription-style warehouse leases. Customer acquisition is relationship-driven via dispatch operations and direct outreach to ocean carriers and freight companies. Named enterprise customers include APM Terminals Mobile, Maersk, CMA-CGM, Ocean Network Express, and OOCL. The company operates within a family of affiliated businesses including Point Logistics (extended drayage), RMC Logistics (customs brokerage), and SIX Container (container sales/rentals), forming an integrated Gulf Coast intermodal service platform founded through a January 2015 merger.

Name

Southern Intermodal Xpress

Legal name

Southern Intermodal Express, Inc.

Website

https://sixllc.net

Company type

Private

Founded year

2015

Operating status

Operating

Headcount range

251–500 employees

Short description

Southern Intermodal Xpress is a private, asset-based Gulf Coast intermodal logistics company providing container drayage, depot management, and warehousing services to ocean carriers, steamship lines, and import/export shippers through its terminals in Mobile, AL and New Orleans, LA.

Ownership category

akta.pro rank

Product category

Intermodal Drayage and Logistics Services

NAICS

General Freight Trucking, Long-Distance (48412), Freight Transportation Arrangement (48851)

SIC

Trucking & Courier Services (No Air) (4210), Arrangement Of Transportation Of Freight & Cargo (4731)

akta.pro primary industry

Intermodal Drayage & Container Haulage (Asset-Based) (TLAIAMAC)

akta.pro secondary industries

Intermodal Drayage & Cartage (First/Last Mile) (TLADAFAC), Intermodal Equipment & Container/Chassis Pooling (Leasing/Management) (TLADAFAD)

Keywords

• Container drayage services
• Intermodal logistics
• Depot management services
• Warehousing operations
• Port trucking services

Headquarters

HQ city

Mobile

HQ country

United States

HQ region

North America

Offices3 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. Container Drayage Services: Asset-based carrier providing import/export container drayage via Gulf coast terminals. Revenue is generated through transportation fees for moving containers between ports, rail yards, and customer facilities. Services include standard, reefer, and overweight/out-of-gauge container drayage.
2. Depot Management: Container storage and equipment management services at 18+ acre facilities. Revenue from container storage fees, equipment storage leases, and interchange services for steamship lines and railroads.
3. Flatbed and Van Services: Through exclusive partnership with Point Logistics, extended services for flatbed, van, and bulk freight within 400 miles of Mobile, AL
4. Warehouse Leasing: Flexible warehouse space leasing through partnership with Merchants Transfer Co., offering 2.1+ million square feet in Mobile County

Pricing tiers

Go-to-market motion1 record

Distribution channels3 records

Marketing channels4 records

Core offering

Southern Intermodal Xpress (SIX) is an asset-based logistics provider offering container drayage, depot management, and warehousing services centered on the Ports of Mobile and New Orleans. The company moves import/export containers — including reefer and overweight/out-of-gauge loads — between ports, rail yards, and customer facilities using a specialized fleet of 20ft tri-axle tilt chassis and 40ft dump trailers. Through its exclusive partnership with sister company Point Logistics, SIX extends drayage and flatbed/van/bulk freight capacity up to 400 miles from Mobile, AL.

Product overview

Southern Intermodal Xpress (SIX) offers a unified logistics platform comprising three core service lines: Drayage Services (container drayage, bulk hauling, dry vans, and flatbeds), Depot Operations (18+ acre facilities in Mobile and New Orleans for equipment management and container storage), and Warehousing Operations (2.1+ million square feet through Merchants Transfer Co. partnership). Through an exclusive partnership with Point Logistics, the company extends capacity for longer-haul container drayage up to 400 miles. The company serves the Ports of Mobile and New Orleans, maintaining interchange agreements with major steamship lines and railroads.

Differentiator

Problem solved

Functional benefit

Quantifiable outcome

• 2.1 million square feet of warehouse space available through partnership
• +3 more outcomes

Named customers5 records

Segments3 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

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

• Point LogisticscoreStrategic or Co-development PartnerSister company providing domestic logistics services including warehousing, intermodal transit, freight and support. Point Logistics operates a network of over 1,000 contracted independent owner operators. Through this partnership, SIX offers extended drayage services up to 400 miles from Mobile, as well as flatbed, van, and bulk freight services.
• Merchants Transfer Co.coreStrategic or Co-development PartnerThird-party warehousing and distribution center with over 117 years of experience. Three facilities in Mobile and Saraland, AL with over 2.2 million square feet of warehouse capacity. Provides flexible lease arrangements and private or contract warehousing with easy access to I-65, I-10, I-165, and Highway 43.
• APM TerminalsflagshipStrategic or Co-development PartnerGlobal container terminal operator with presence in 62 countries and 181 ports and terminal facilities. APM Terminals Mobile is a key customer reference, with positive testimonials about SIX's service quality and responsiveness.
• RMC LogisticscoreStrategic or Co-development PartnerSister company providing customs brokerage services. Licensed Customs House Broker and NVOCC with decades of experience in U.S. import and export requirements. Specializes in Ocean and Air Imports & Exports with an agent network extending worldwide.
• SIX ContainerminorStrategic or Co-development PartnerSister company providing container sales and rentals. Offers 20ft and 40ft shipping containers in as-is, cargo-worthy, and one-trip condition. Convenient Mobile and New Orleans yards for pickup or delivery.
• MSE (Mississippi Export Railroad)minorStrategic or Co-development PartnerShort line railroad headquartered in Moss Point, MS. Provides 42-mile railroad from Evanston to Pascagoula, serving as gateway to reliable distribution service to and from Southern Mississippi.
• ASPA (Alabama State Port Authority)minorStrategic or Co-development PartnerAlabama State Port Authority providing port infrastructure and services. Equipped to port entire industries with world-class shipping and ultra-modern logistics capabilities.
• PortsAmericaminorStrategic or Co-development PartnerTerminal operator providing innovative infrastructure for ports, cargo carriers and cargo owners. Operates Napoleon Container Terminal and Nashville Ave. Break Bulk Terminal in New Orleans, LA.

Scale indicators6 records

Recent moves6 records

Expansion highlights5 records

Direct peers

• STG Logistics: STG Logistics is an asset-based intermodal drayage and container services provider focused on port-adjacent operations. Its depot and drayage model is closely aligned with SIX's Gulf Coast container handling business.
• Hub Group: Hub Group operates one of the largest intermodal and asset-based drayage networks in North America, with dedicated truckload, drayage, and depot operations serving major port complexes — directly comparable to SIX's asset-based Gulf Coast drayage and depot model.
• NFI Industries: NFI operates an asset-based drayage, dedicated, and warehousing network with significant port-region presence. It is comparable to SIX as an integrated asset-based logistics provider serving large shipper customers.
• Schneider National (Intermodal): Schneider's Intermodal division operates drayage and container services serving major U.S. ports. It competes with SIX for ocean-carrier drayage contracts and offers an asset-based container handling model similar to SIX.
• RoadOne Intermodal Logistics: RoadOne is an asset-based intermodal drayage carrier with container depot operations at multiple U.S. ports. It competes with SIX for ocean-carrier drayage and depot contracts, with a similar specialty in port-region container handling.
• IMC Logistics: IMC Logistics is an asset-based intermodal drayage and container terminal operator with significant Gulf and East Coast port presence. It is one of the closest direct comparables to SIX in terms of asset-based drayage, depot operations, and ocean-carrier customer mix.
• J.B. Hunt Transport Services (Intermodal): J.B. Hunt's Intermodal segment is the largest U.S. intermodal container provider, combining rail, drayage, and dedicated capacity across port regions. It is a direct comparable to SIX on drayage and container handling, though at materially greater scale and geographic breadth.

Emerging players

• TRAC Intermodal: TRAC Intermodal is one of the largest chassis pool operators in the U.S., comparable to SIX on the chassis and depot management aspects of the business that serve ocean carriers and shippers at port complexes.
• DCLI (Direct Chassis Link): DCLI is a major chassis pooling and leasing provider serving U.S. port and intermodal markets. It is comparable to SIX on the chassis/equipment management dimension of the business, particularly SIX's depot interchange operations.

Broad incumbents

• XPO (RXO Inc.): RXO is a large North American asset-light freight brokerage and drayage provider with broad port coverage. It is a broad incumbent comparable to SIX on drayage and freight arrangement, though it competes primarily through brokerage rather than owned terminal infrastructure.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat4 records

Key risks5 records

Key highlights6 records

Customer concentration

• Facebookfacebook.com/sixllcmobile

Revenue estimate

Valuation estimate

Number of profiles

Profiles9 records

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 Southern Intermodal Xpress