Best Carrier Services for 3PLs
Carrier network access. Below are the vendors built for 3pls operations.
The Carrier Services category looks crowded from the outside, but only a handful of platforms are genuinely purpose-built for 3PLs. The shortlist below is independently maintained — vendors can't pay for placement, and each entry is checked against the carrier network access workflows that matter for 3PLs. Want a tailored shortlist for your stack? Request a SupplyWolf consultation from any vendor page below.
- Knight-Swift Truckload & LTL Services
Knight-Swift Transportation
SMBMid-MarketEnterpriseKnight-Swift is the largest full truckload carrier in North America with $7.41B revenue, 20,000+ tractors, and 80,000+ trailers. Rapidly expanding LTL network through AAA Cooper, MME, and Dependable Highway Express acquisitions targeting nationwide coverage by 2026.
- FedEx LTL Shipping Services
FedEx Freight
SMBMid-MarketEnterpriseFedEx Freight is the largest U.S. LTL provider by revenue (~$9B) with 400+ service centers, 30,000+ trucks, and 46,000+ employees. Offers Priority and Economy LTL tiers plus Retail Flex for MABD compliance. Spinning off as standalone entity in 2025.
R+L Carriers Freight ShippingR+L Carriers
SMBMid-MarketEnterpriseR+L Carriers is a family-owned LTL carrier since 1965 with 21,000+ tractors and trailers handling 45,000 daily shipments. Covers all 50 U.S. states, Canada, Puerto Rico, Dominican Republic, and Caribbean Islands.
Estes LTL Freight ShippingEstes Express Lines
SMBMid-MarketEnterpriseEstes Express Lines is North America's largest privately owned freight carrier, debt-free with 90+ years of service. Features 300+ terminals, 10,500+ tractors, 40,000+ trailers, and 99% on-time delivery for retail MABD shipments. J.B. Hunt 2024 LTL Carrier of the Year.
- TForce LTL Freight
TForce Freight
SMBMid-MarketEnterpriseTForce Freight (formerly UPS Freight) is a major LTL carrier owned by TFI International with 240+ terminals, 6,700 tractors, and 22,100 trailers. Covers all 50 U.S. states, 7 Canadian provinces, Mexico, and Puerto Rico.
- Old Dominion Freight LineMid-MarketEnterprise
Old Dominion Freight Line is one of the largest North American less-than-truckload motor carriers with approximately $5.87 billion in 2024 revenue. Founded in 1934 and headquartered in Thomasville, North Carolina, the company operates 260+ service centers with 11,284 tractors and over 46,700 trailers. Named #1 National LTL Carrier for Quality by Mastio and Company for 15 consecutive years (2010-2024), Old Dominion achieves 99% on-time delivery and 0.1% cargo claims ratio. The union-free, integrated network provides regional, inter-regional, and national LTL services along with expedited, container drayage, and international shipping capabilities.
- Saia LTL FreightMid-MarketEnterprise
Saia Inc. is a leading less-than-truckload carrier celebrating its 100th anniversary in 2024. Headquartered in Johns Creek, Georgia, the company operates 211+ terminals across the United States and employs over 15,000 people. Saia has been one of the most aggressive carriers expanding since Yellow Corp bankruptcy, investing $1 billion in capital expenditures including $236 million for 17 former Yellow terminals. The company added 20+ new terminals in 2024 alone, with strategic focus on Western US expansion including Montana, Wyoming, and South Dakota markets. Saia provides LTL, non-asset truckload, expedited freight, and logistics services.
- Landstar SystemSMBMid-Market
Landstar System is a technology-enabled, asset-light transportation logistics provider with $4.83 billion in 2024 revenue. Headquartered in Jacksonville, Florida, the company operates through 1,050 independent agent offices and maintains relationships with 78,000+ capacity providers including 8,800 exclusive Business Capacity Owners (owner-operators). The company specializes in heavy haul and platform freight, achieving record $498 million in heavy haul revenue in 2024. With 17,600+ trailers and over 1,000 Million Mile safe drivers, Landstar provides comprehensive services including truckload, LTL, expedited, hazmat, cross-border, and intermodal transportation.
- XPO LTL Freight
XPO
SMBMid-MarketEnterpriseXPO is a leading LTL freight company covering 99% of U.S. zip codes with 9,700 tractors, 34,400 trailers, and 900+ service doors. Features Flex Fleet drop trailer network and in-house trailer manufacturing capability.
- Hubtek TABi Virtual Assistant
Hubtek
SMBMid-MarketHubtek TABi provides bilingual virtual assistants and AI-powered back-office automation for freight brokers and 3PLs. Virtual assistant teams handle carrier sourcing, tracking check calls, data entry, customer communication, and documentation processing with 24/7 coverage. The TABi AI copilot automates repetitive TMS tasks including load posting, carrier matching, and status updates. Services scale up and down based on business volume, giving brokerages enterprise-level operational capacity without the overhead of full-time hires.
