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Best Kitting and Assembly Companies in Los Angeles (2026)

Kitting, assembly and contract packaging companies that run a building in the Los Angeles metro make up this ranking of 10, located from Torrance and Carson out to Fontana and Perris. They are compared on kit formats, kitting at the local building, retail labeling, published kitting programs and quality checks, using the buildings and kitting services each company lists on its own website. Rank 1 sits at the top, the table ticks off every kit format a company names, and the cards give the facts behind each position.

  • 10 companies ranked
  • 33 buildings in Los Angeles between them
  • Updated November 2026

By the editorial team ยท How we rank

Illustration: kitting bench with component bins and assembled kits

Top kitting companies in Los Angeles at a glance

  1. 1Weber LogisticsClub packs, holiday baskets and displays for food and drink brands
  2. 2TRG FulfillmentHigh-volume retail kits and repacks for beauty and apparel brands
  3. 3Bay CitiesPOP and pallet display pack-out for club and big-box retail
  4. 4WSI (Warehouse Specialists)Subscription boxes, promo kits and retail multipacks
  5. 5Capacity LLCBeauty gift sets, PR kits and subscription boxes
  6. 6Premier PackagingVariety packs, display builds and promo kit runs with no minimums
  7. 7Regal LogisticsClub packs, pallet displays and retail repacks for importers
  8. 8Barrett Distribution CentersRetail-compliant kits and pallet displays for promotions
  9. 9States LogisticsVariety packs, modular displays and promo kits in SoCal and Phoenix
  10. 10Distribution AlternativesRetail display, gift pack and promo kit runs for retail vendors

Compare kit formats in Los Angeles

Which kinds of kitting each company publishes and whether it labels kits to retailer requirements.

#CompanyIn Los AngelesSubscription boxesGift setsDisplaysPromo kitsRetail packagingRepackAmazon bundlesAssemblyRetail labels and EDI
1Weber Logistics12 buildings
2TRG Fulfillment1 building
3Bay Cities1 building
4WSI (Warehouse Specialists)3 buildings
5Capacity LLC1 building
6Premier Packaging1 building
7Regal Logistics1 building
8Barrett Distribution Centers1 building
9States Logistics10 buildings
10Distribution Alternatives2 buildings

A tick means the company names that kind of kitting work on its own website.

The 10 best kitting and assembly companies in Los Angeles

1

Weber Logistics

Club packs, holiday baskets and displays for food and drink brands

Visit weberlogistics.com

Weber runs 12 warehouses in the metro, from Santa Fe Springs to Perris, and its California warehouse services list kitting, club packs, holiday baskets, sample packs and POP display builds. It builds from customer-supplied components for food, beverage, alcohol and housewares brands.

Kitting work it publishes

  • Final assembly of cooler bags in the warehouse for a consumer products importer cut storage and freight costs by over $500,000

Strengths

  • Lot codes stay marked on the power wings, display caddies, clip strips and quarter pallets it builds
  • Retailer compliance team working to 75+ routing guides
  • Food-grade Rancho Cucamonga building and AIB-certified Fontana II site

Worth knowing

  • Its California pages do not say which local buildings run kitting
  • Gift sets and holiday kits
  • POP displays and PDQs
  • Promotional and sample kits
  • Retail-ready packaging
  • Repack and relabel
  • Light assembly
2

TRG Fulfillment

High-volume retail kits and repacks for beauty and apparel brands

Visit fulfillmentwarehouse.com

TRG builds gift baskets, retail display setups and promo kits in 30,000 sq ft set aside for kitting across three LA-area facilities. It ships B2B orders for beauty, apparel and wellness brands to retailer routing guides, with ASN transmissions and EDI.

Kitting work it publishes

  • 672,000 custom kits (3 to 4 units each, with custom box, insert and sleeve) plus 350,000 units repacked from 6-packs to 3-packs for Raw Sugar Living's Q4 retail program, from 1,200 pallets in under 10 weeks with an 85-person team

Strengths

  • 12 assembly lines, each 50 feet long, in its kitting and production space
  • Press and influencer kits, promo bonus packs, rework and relabeling
  • Torrance distribution center sits 15 minutes from the Port of Los Angeles and LAX

Worth knowing

  • Of the three, only Torrance has a published address
  • Gift sets and holiday kits
  • POP displays and PDQs
  • Promotional and sample kits
  • Retail-ready packaging
  • Repack and relabel
3

Bay Cities

POP and pallet display pack-out for club and big-box retail

Visit bay-cities.com

On its Pico Rivera campus, beside its headquarters and its design and ISTA testing centers, Bay Cities packs out POP and pallet displays, kits and bundles in a 70,000 sq ft packout and assembly building. It works with consumer electronics, wine, food and beverage brands and lists Costco, Walmart and Home Depot among its compliant retail rollouts.

Strengths

  • Designs and manufactures the corrugated displays it packs out
  • Club display programs handled to EDI rules, with chargeback prevention
  • Labeling, rework, shrink wrap and bundling beside its kit work

Worth knowing

  • The Pico Rivera building's street address is not published
  • POP displays and PDQs
  • Gift sets and holiday kits
  • Retail-ready packaging
  • Repack and relabel
  • Light assembly
4

WSI (Warehouse Specialists)

Subscription boxes, promo kits and retail multipacks

Visit wsinc.com

WSI lists its Fontana fulfillment center on Whittram Ave, the Kase Fulfillment headquarters, among its Kase kitting and assembly locations, and it also runs warehouses in Carson and Pomona. It pre-kits to stock or kits at fulfillment for food and beverage, pet, electronics and home goods brands.

Strengths

  • FDA-registered Fontana site
  • Influencer mailers, gifts with purchase and limited-edition sets
  • Multipacks and gift sets labeled and barcoded to retailer requirements

Worth knowing

  • Publishes no kit volumes or case figures
  • Subscription boxes
  • Gift sets and holiday kits
  • Promotional and sample kits
  • POP displays and PDQs
  • Retail-ready packaging
  • Repack and relabel
  • Light assembly
5

Capacity LLC

Beauty gift sets, PR kits and subscription boxes

Visit capacityllc.com

Capacity West in Irwindale is a 125,000 sq ft facility with 100 full-time staff and its own kitting space, where it assembles gift sets, kits and custom branded pack-outs. The site runs DTC and EDI retail distribution for beauty, fragrance and wellness brands.

Strengths

  • Approved consolidator for Sephora and Ulta, with compliance for 100+ retailer routing guides
  • Variety and combo packs, quantity repacks, gift wrapping and relabeling
  • California Department of Health food-grade certification at Irwindale

Worth knowing

  • A financial minimum (fixed fee or minimum monthly fee) applies; the amount is not published
  • No published kitting case studies
  • Subscription boxes
  • Gift sets and holiday kits
  • Promotional and sample kits
  • Retail-ready packaging
  • Repack and relabel
6

Premier Packaging

Variety packs, display builds and promo kit runs with no minimums

Visit premierpackaging.com

Its 162,000 sq ft Irwindale contract packaging plant opened in February 2025 with 7 lines for variety packs, shrink bundling, kitting and display builds. It serves beverage, food, cosmetics and home goods brands, with line inspections every 15 minutes.

Strengths

  • Irwindale lines rated up to 25 cases per minute; 20+ lines across its two plants
  • Most projects can start within 24 to 48 hours
  • AIB International and California ABC licensed at Irwindale

Worth knowing

  • Retailer labels, routing guides and EDI go unmentioned on its pages
  • Subscription boxes
  • Gift sets and holiday kits
  • Promotional and sample kits
  • POP displays and PDQs
  • Retail-ready packaging
  • Repack and relabel
  • Industrial kits
7

Regal Logistics

Club packs, pallet displays and retail repacks for importers

Visit regallogistics.com

Regal's 215,000 sq ft Anaheim hub, serving LA/Long Beach, the Inland Empire and Orange County, lists kitting, repack and pallet display builds on site. It suits apparel, housewares, toy, electronics and hardware importers shipping into national retail.

Strengths

  • Price tickets, UPC and SSCC labels and EDI 856 ship notices, matched to each retailer's current routing guide
  • Club-store packs and retailer-exclusive configurations built from bulk inventory
  • Pre-built pallet displays and floor-ready units that ship as one piece

Worth knowing

  • No subscription box or gift set work named
  • Publishes no kit volumes
  • Promotional and sample kits
  • POP displays and PDQs
  • Retail-ready packaging
  • Repack and relabel
  • Light assembly
8

Barrett Distribution Centers

Retail-compliant kits and pallet displays for promotions

Visit barrettdistribution.com

Barrett's Montebello site is a 130,000 sq ft food-grade, FDA-certified public warehouse, and the firm runs pallet display assembly, kitting and retail packaging across its network. It fits apparel, footwear, food and confectionery brands shipping to stores, with routing-guide staff for 150+ retailers.

Strengths

  • Builds finished-good kits and custom SKUs from components, timed to promotional and holiday schedules
  • Ticketing, labeling and retail sales packaging in its own warehouses
  • ISO 9001-2015 registration stated company-wide

Worth knowing

  • No kit counts or kitting case studies on its site
  • Gift sets and holiday kits
  • POP displays and PDQs
  • Promotional and sample kits
  • Retail-ready packaging
  • Repack and relabel
9

States Logistics

Variety packs, modular displays and promo kits in SoCal and Phoenix

Visit stateslogistics.com

States Logistics runs 10 Southern California warehouses in the metro from Buena Park to Fontana, and its packaging division builds variety packs, modular displays and promo kits inside its own facilities there. It suits brands that want packaging work done in-house by their warehouse operator, with labor flexed for just-in-time projects.

Strengths

  • Shrink film wrapping and blister packs
  • AIB Superior rating at 6 Southern California sites
  • More than 4,000,000 sq ft stated across its Southern California facilities

Worth knowing

  • No retailer labeling, routing guide or EDI work stated on its packaging pages
  • Its packaging pages do not say which buildings run the packaging lines
  • Retail-ready packaging
  • POP displays and PDQs
  • Promotional and sample kits
  • Repack and relabel
  • Light assembly
10

Distribution Alternatives

Retail display, gift pack and promo kit runs for retail vendors

Visit daserv.com

Distribution Alternatives runs two Bloomington warehouses near the LA and Long Beach ports that total over 1.26 million sq ft, and it offers kitting and assembly across its network. It suits cosmetics, supplement, CPG and food vendors selling to retail, and it also builds subscription boxes.

Strengths

  • Builds kits to retailer guidelines, with retailer-specific labeling
  • In-house EDI team working in ANSI X12 and EDIFACT
  • Sample and trial packs, holiday bundles and shrink-wrapping

Worth knowing

  • No kit counts or client results on its kitting page
  • Subscription boxes
  • Gift sets and holiday kits
  • POP displays and PDQs
  • Promotional and sample kits
  • Retail-ready packaging
  • Repack and relabel

Kitting and contract packaging in Los Angeles

By the BLS 2024 annual averages, the Los Angeles-Long Beach-Anaheim, CA metro area had 218 packaging and labeling services businesses employing 3,631 people and the Riverside-San Bernardino-Ontario, CA metro area (Inland Empire) had 66 employing 1,635. The 10 companies here run 33 buildings across 21 towns in the metro, with Fontana holding the most: 6 buildings run by 3 companies. Weber Logistics and States Logistics hold 22 of the 33 between them.

TRG Fulfillment, Weber Logistics and Barrett Distribution Centers are the 3 companies here that also appear on the Los Angeles 3PL list, where general fulfillment warehouses are ranked on space, network, minimums and services. All 10 list retail-ready packaging and repack and relabel work, and half also take on light assembly alongside their kit builds.

SR-60 and I-10 serve the Inland Empire and the City of Industry, I-710 runs from the ports to the warehouse clusters of downtown and East Los Angeles, and more than half of all warehouse space in the region lies within five miles of SR-60. The Port of Los Angeles moved 10,239,318 TEUs in calendar year 2025 and has ranked first among Western Hemisphere container ports every year since 2000. For labor, about 1,047,900 people work in trade, transportation and utilities in Los Angeles-Long Beach-Santa Ana, with 452,600 more in Riverside-San Bernardino-Ontario (September 2026, preliminary).

Questions to ask a Los Angeles kitting company

  1. Which of your Los Angeles-area buildings would build my kits, and is that where my components are stored?
  2. Can I sign off on a first article or sample kit before you start the full run?
  3. How do you count incoming components, and what do you do when a delivery comes up short?
  4. Is there a minimum kitting run?
  5. Do you apply Costco, Walmart or Target labels and send their EDI ship notices for finished kits?
  6. How early before a retailer's holiday ship date should my components arrive at your building?

Los Angeles kitting FAQ

Which Los Angeles kitting companies build store displays?

Every company here except Capacity LLC lists POP or pallet display builds. Bay Cities produces the corrugated displays it packs out, and Weber Logistics assembles quarter pallets, clip strips, power wings and display caddies.

Which Los Angeles companies assemble subscription boxes?

4 of the 10 name subscription box work: Distribution Alternatives, Capacity LLC, Premier Packaging and WSI. Capacity builds them alongside PR and influencer kits for beauty and fragrance brands.

Which Los Angeles kitting companies can ship kits to big-box retailers?

Premier Packaging and States Logistics state no retailer labeling for kits; the other 8 label kitted product to retailer requirements. Barrett Distribution Centers covers 150+ retailers, Weber Logistics' compliance team handles 75+ routing guides and Regal Logistics sends EDI 856 ship notices with SSCC carton and pallet labels.

How many packaging and labeling businesses are in Los Angeles?

In 2024 the Los Angeles-Long Beach-Anaheim metro area averaged 218 packaging and labeling services businesses with 3,631 employees, and the Riverside-San Bernardino-Ontario (Inland Empire) metro area averaged 66 with 1,635, according to the BLS Quarterly Census of Employment and Wages.

Which Los Angeles kitting companies take small runs?

Premier Packaging sets no minimum order quantity and starts most projects within 24 to 48 hours. Capacity LLC applies a financial minimum of undisclosed size, and the other 8 list no minimum.

More kitting lists and Los Angeles 3PLs