Southeastern Freight Lines
Privately held regional LTL trucking carrier moving freight across the Southeast, Southwest, and Puerto Rico.
On the record
Checkpoint: Operating-ratio comparison vs ODFL and Saia, plus early results from the Fletes Mexico cross-border partnership
The call
SEFL remains a profitable, densely networked regional carrier losing ground slowly to ODFL, with its freight-recovery bet and family succession as the open questions.
Southeastern Freight Lines moves cargo across the Southeast by truck and has 87 local distribution centers that would cost competitors years to build. Old Dominion, a much larger competitor, has been taking market share in the Southeast for 15 years, growing from 8% to 12% of regional business, while Southeastern has barely grown after inflation. The company is betting that a freight rebound and new technology investments will help it compete again, but freight volume remains soft and nobody knows when demand will truly recover.
Why
01
AI pressure: None apparent. No autonomous trucking or AI dispatch system operates at LTL scale yet; AI mainly helps SEFL route freight and price loads. Could AI do the core job? Unlikely.
02
Bigger players: Old Dominion Freight Line (ODFL). ODFL's Southeast regional share climbed from 7.9% to 11.6% over 15 years while SEFL's growth has stalled after inflation. Could a giant copy it? Probably.
03
What protects it. 87 dense terminals across the Southeast built over 75 years, plus family ownership that avoids public-market pressure to cut service for margin.
What would change this call
SEFL's operating ratio versus Old Dominion and Saia over the next 2 to 3 quarters. Shows whether SEFL is closing or losing ground on cost efficiency before any freight upcycle.
Old Dominion or FedEx Freight opening 15 or more new Southeast terminals within 18 months. Would confirm a rival is directly targeting SEFL's dense regional footprint.
Results of the Fletes México cross-border partnership launched January 2026. Indicates whether SEFL's growth bet outside its core Southeast base is working.
Old Dominion or FedEx Freight opening 15 or more new Southeast terminals within 18 months. Would confirm a rival is directly targeting SEFL's dense regional footprint.
Results of the Fletes México cross-border partnership launched January 2026. Indicates whether SEFL's growth bet outside its core Southeast base is working.
Key numbers
- FY2025 revenue $1.728B, net income $225.9M
- 87 terminals, 33,887 daily shipments
- Job postings down 33.6% year over year
Named risks
- Active employment/ERISA litigation including suit naming Chairman personally, filed Jan 2026.
- Counter-cyclical capex expansion during 2024-2025 freight recession with uncertain recovery timing.
- Steady share erosion in core Southeast market to ODFL, Estes, and Saia.
- Early-stage Mexico cross-border partnership (Jan 2026) execution and volume-growth uncertainty.
- Insurance coverage dispute with Zurich American exposes corporate structure complexity and liability exposure.
Rivals, as read in July 2026
| Rival | Direction | Evidence |
|---|---|---|
| Old Dominion Freight Line | gaining on | ODFL Southern-region LTL share rose 7.9% to 11.6% from 2010 to 2025, per ODFL investor deck |
| Estes Express Lines | gaining on | Estes added 47 terminals in 2024-2025, 12.4% YoY growth, largest private LTL carrier at ~$4-5B revenue |
| Saia Inc | gaining on | Saia absorbed former Yellow Corp terminals after 2023 bankruptcy, growing to ~$2.8B revenue |
| FedEx Freight | contesting | Spun off as standalone public company June 1, 2026 with ~$9.1B revenue, a new-form competitor |
| AAA Cooper Transportation | contesting | Knight-Swift owned regional peer at ~$1.24B revenue as of 2025 |
Questions people ask
- Is Southeastern Freight Lines profitable?
- Yes. SEFL reported FY2025 revenue of $1.728 billion with net income of $225.9 million, roughly a 13% margin, per Transport Topics data as of December 31, 2025. It has been privately profitable for decades with no public funding rounds on record.
- Could AI replace Southeastern Freight Lines?
- Unlikely soon. SEFL is an asset-based LTL carrier with about 87 owned terminals, tractors, trailers and driver relationships as of 2024-2025. AI can optimize dispatch and pricing but cannot replace physical docks, trucks, and regulated cargo/liability insurance coverage.
- Who owns Southeastern Freight Lines?
- SEFL is privately held and family-controlled. As of December 2025, W.T. 'Bill' Cassels Jr. is Chairman and W.T. 'Tobin' Cassels III is President/CEO. A July 2026 Delaware court filing (Zurich American Insurance Co. v. SEFL) disclosed a corporate parent entity called 'CF Holdings I, Inc.'
- Who is Southeastern Freight Lines' biggest competitor?
- Old Dominion Freight Line (ODFL) is the most pressing rival in SEFL's Southeast core market. Per ODFL's own investor presentation, its Southern-region LTL share rose from 7.9% in 2010 to 11.6% by 2025, encroaching on territory SEFL has long dominated.
- Is Southeastern Freight Lines expanding into Mexico?
- Yes. In January 2026, SEFL announced a new cross-border partnership with Fletes México Carga Express, based in Laredo, Texas and Nuevo Laredo, to strengthen its U.S.-Mexico LTL service, per FreightWaves reporting dated January 14, 2026.
- How many employees does Southeastern Freight Lines have?
- Estimates vary by source. Wikipedia's infobox lists 8,500 employees as of 2021. SEFL operates roughly 87 to 89 service centers across the Southeast, Southwest, and Puerto Rico as of December 30, 2025, according to Transport Topics.
Timeline
- 2026-07-07Zurich American Insurance Co. v SEFL filing in Delaware reveals parent entity CF Holdings I Inc
- 2026-07-06Z.S. v Southeastern Freight Lines ERISA class action filed in Mississippi federal court
- 2026-03-05SEFL doubles Greensboro NC facility, upgrades Texas and Puerto Rico sites
- 2026-01-14SEFL announces cross-border LTL partnership with Fletes Mexico Carga Express
- 2026-01Yarbrough v SEFL employment suit filed in Alabama, names Chairman Cassels Jr personally
- 2025-12-31SEFL FY2025 revenue reaches $1.728B with $225.9M net income
- 2024-03SEFL opens new service center in Bowling Green, Kentucky
- 2024SEFL 2024 revenue reported at $1.700B, up 0.9% year over year
- 2003-08-28BBB records list internal corporate reorganization date for SEFL
- 1950William T Cassels founds Southeastern Freight Lines with 14 trucks and 20 employees
Revision history
23 July 2026
First assessed. Defensible for now. The text above is fixed as of this date and is not edited afterwards.
In the same band
Sources
- Southeastern Freight Lines
- For-Hire Companies (2025-12-30)
- Products, Competitors, Financials, Employees (2025-07-29)
- 2023 Top Less-Than-Truckload Carriers (2023-06-15)
- Top 25 US LTL Carriers
- Southeastern Freight Number of Employees 2026 (2026-06-29)
- Southeastern Freight Lines joins regional carriers moving into Mexico trade (2026-01-14)
- Southeastern Freight Lines revamps North Carolina facility (2026-03-05)
- Top LTL Carriers for 2026 (2026-04-21)
- 2025 Top LTL Carriers (2025-06-15)
- Old Dominion investor presentation
- 9 Largest US LTL Freight Carriers in 2026 (2026-07-06)