Updated November 2026
Best Trucking Companies in Diamond Bar, California (November 2026)
There are 261 W2 trucking carriers currently posting jobs in Diamond Bar, California. The ranking below reflects active jobs as of November 2026, not historical pay surveys. Herrington Transportation Inc. leads with an average weekly pay of $2,000. HIGH MOUNTAIN TRANSPORT LLC follows at $1,700/week. California freight is dominated by the Port of LA / Long Beach complex, Central Valley agriculture, and the Inland Empire warehouse cluster along I-10 and I-15.
What changed in November 2026
HIGH MOUNTAIN TRANSPORT LLC at #2 and Mountain States L.P. Gas at #5 are new to the top 50 in Diamond Bar, California. Biggest climb: Herrington Transportation Inc. (#24 → #1). Biggest fall: REISCH TRUCKING INC (#31 → #47). Elsewhere in the top 50, 2 carriers joined, 4 left, and 36 changed rank.
All changes since October 2026
The trucking companies leading Diamond Bar, California this month
The top of the list is Herrington Transportation Inc. at $2,000/week. A few names below the top earn more on a weekly-pay basis but rank lower on the composite.
#1Herrington Transportation Inc. — $2,000/wk
Herrington Transportation Inc. tops the Diamond Bar, California ranking with the strongest composite score across pay, safety, benefits, and operational signals. Herrington Transportation Inc. sits in the 91st percentile for weekly pay among Diamond Bar, California carriers. Herrington Transportation Inc. responds to driver applications more reliably than the Diamond Bar, California median.
#2HIGH MOUNTAIN TRANSPORT LLC — $1,700/wk
HIGH MOUNTAIN TRANSPORT LLC debuts in the Diamond Bar, California top 50 this month — it wasn't tracked here last month. HIGH MOUNTAIN TRANSPORT LLC's top FMCSA dimension is driver fitness, in the 93rd percentile. Driver applications get a faster-than-median response in Diamond Bar, California.
#3Flexsteel Industries — $2,000/wk
Flexsteel Industries pays above the 86th percentile on weekly pay for the Diamond Bar, California market. Top FMCSA dimension here is unsafe-driving avoidance, in the 88th percentile.
Flexsteel Industries leads Diamond Bar, California's top 10 on sign-on bonus, advertising $10,000 for new drivers.
Also in the top 10: #4 JK MOVING & STORAGE INC at $2,200/wk, #5 Mountain States L.P. Gas at $2,000/wk, #6 FRESHPOINT CENTRAL CALIFORNIA INC at $2,500/wk, #7 PRAIRIE FIELD SERVICES LLC at $1,750/wk, #8 Dillard Trucking at $2,200/wk, #9 G-DIAMOND TRANSPORT INC at $2,045/wk, #10 ELBERTA LOGISTICS INTERNATIONAL LLC at $2,000/wk.
Lane mix and benefits across Diamond Bar, California
Of active CDL postings in Diamond Bar, California this month, 17% are regional and 66% are OTR (long-haul). Local and semi-local routes account for the remaining 17%.
Guaranteed pay is on offer at 1% of Diamond Bar, California postings; dedicated routes at 32%; take-truck-home at 65%. Pet-friendly policies appear at 58% and riders-allowed at 56%.
Where Diamond Bar, California differs from the California baseline
| Diamond Bar, California | California top 50 | Delta | |
|---|---|---|---|
| Sign-on bonus rate | 32% | 42% | -10 pt |
| Dedicated routes | 42% | 36% | +6 pt |
| Take-truck-home | 78% | 72% | +6 pt |
Source: Lanefinder index, November 2026
The largest gap is on sign-on bonus availability: Diamond Bar, California sits 10 points below the California baseline.
Driving CDL in California
California is one of the toughest states to drive CDL in the country, and one of the most lucrative for the right setup. CARB emissions rules are the strictest in the US, so engine year and compliance matter for fleet work — if you're owner-op, check current CARB rules before buying a truck. Drayage out of LA / Long Beach and warehouse-rotation work in the Inland Empire pay above the national average, but cost of living is brutal. The mountain passes (Grapevine, Donner, plus high winds on Cajon) add real winter complexity that most other Southwest lanes don't. Drivers with serious mountain experience earn it back.
Related guides
- Best owner-operator companies in Diamond Bar, California
- CDL driver salary in Diamond Bar, California
- Best trucking companies in California
How we compile these rankings
Composite-score formula: compensation × 0.30, FMCSA safety × 0.25, benefits × 0.25, operational performance × 0.20. Compensation is anchored on pay percentile and lifted by sign-on bonus tier and guaranteed-pay availability. Operational performance is built mostly from driver-application response data in Lanefinder's platform, with fleet-scale percentile contributing a smaller portion. Updated November 2026.