LumpList

The lumper service directory

by the makers of LumpLogix

State record

Lumper services in California

California's docks run on two clocks: import containers off San Pedro Bay and Oakland, and produce out of the valleys, both needing lumper crews.

46 lumping companies on the record

Lumping companies serving California

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Dock labor in California

Agencies on the record
46
Based or dispatching in state
26
Nationwide operators
20

California moves containerized imports and fresh produce over the same road network, and both end up on a dock that needs bodies. The San Pedro Bay ports, Los Angeles and Long Beach, plus the Port of Oakland, feed transload warehouses within a short drayage of the terminal gates, where ocean boxes are stripped and rebuilt onto domestic trailers. Inland, BNSF's San Bernardino and Stockton intermodal facilities and Union Pacific's ICTF at Carson and Lathrop terminal set the tempo, with I-5, I-10, I-15, I-40, I-80 and State Route 99 carrying the rest.

Demand for dock labor splits by season and by geography. Import volume builds ahead of the retail holiday push and lands hardest on the transload belt. In the San Joaquin and Salinas valleys, cold chain work runs from spring through late fall, and reefer trailers arrive floor loaded and need restacking before they enter a rack.

LumpList covers Los Angeles and the Inland Empire for import and big box distribution, the Bay Area and San Diego for port and border adjacent freight, Sacramento and Stockton for inland cross dock volume, and Fresno and Oxnard for the produce and cold storage runs.

Last reviewed September 2026

California on the record

  1. The adjacent Ports of Los Angeles and Long Beach form the San Pedro Bay complex, the largest containerized import gateway in the United States, and the transload warehouses that strip those containers sit within a short drayage of the terminal gates.

    Source: Port of Los Angeles and Port of Long Beach

  2. BNSF operates intermodal facilities at San Bernardino and Stockton, placing lift-to-dock freight in both the Inland Empire and the northern San Joaquin Valley.

    Source: BNSF Railway intermodal facilities list

  3. Union Pacific runs the Intermodal Container Transfer Facility (ICTF) near the San Pedro Bay ports and an intermodal terminal at Lathrop in San Joaquin County.

    Source: Union Pacific intermodal terminal network

  4. I-5 and State Route 99 run the length of the Central Valley and connect the Los Angeles basin to Sacramento, while I-10, I-15 and I-40 carry Inland Empire freight east toward Phoenix, Las Vegas and the Texas markets.

    Source: Caltrans state highway system

  5. Salinas Valley leafy greens ship through the warm months and the same programs shift to the Imperial Valley and Yuma for the winter deal, moving reefer volume between northern and southern California docks.

    Source: USDA AMS specialty crops shipping point data

  6. Ventura County, centered on Oxnard, is one of California's principal strawberry districts, with cooling and consolidation facilities that handle fruit within hours of harvest.

    Source: California Strawberry Commission

  7. The Port of Oakland is a major outbound gateway for refrigerated California agricultural exports, which pairs container loading work with inbound dock labor.

    Source: Port of Oakland

  8. The Otay Mesa commercial port of entry at San Diego is the busiest truck crossing on the California border, feeding warehouses that transload Mexican freight onto domestic trailers.

    Source: U.S. Customs and Border Protection border crossing data

Inside the California market

By service

By crew model

Reading for California operators

Questions about dock labor in California

How does the produce season change lumper demand across California?

Work follows the harvest. Oxnard and the Ventura County coolers run strawberries through spring and summer, the San Joaquin Valley around Fresno stays busy with tree fruit, grapes and vegetables into fall, and Salinas leafy greens ship warm season. When those programs move to the Imperial Valley and Yuma for winter, reefer receiving volume shifts south and inland.

What makes port transload unloading different from a regular DC dock?

Near Los Angeles, Long Beach and Oakland, crews are stripping 40 foot ocean containers that arrive floor loaded, then rebuilding the freight onto domestic trailers for the Inland Empire or out of state lanes. The pace is set by container availability and free time at the terminal, so shifts often run nights and weekends rather than a fixed schedule.

Do California cold chain warehouses need different crews than dry goods?

Yes. Reefer and freezer work at Central Valley and Ventura County facilities requires crews comfortable working in cold rooms, handling produce at temperature, and restacking mixed pallets fast enough to keep the trailer door open time short. Ask any provider about cold storage experience before booking.