Working with the right plastic bag manufacturer helps you secure a reliable packaging supply while keeping your sourcing costs under control. By working directly with manufacturers, you can often reduce costs by 10–25%, shorten production and delivery timelines, and maintain consistent quality across all your orders.
This article introduces 5 plastic bag manufacturers in California that support a wide range of bag types, materials, and production volumes. These suppliers can help you choose practical, cost effective packaging solutions that align with your product requirements, order quantities, and budget.
At the end of the list, you will also find simple sourcing tips to help you compare suppliers, avoid common cost issues, and build long term partnerships that support your business growth.

1. Pacon, Inc.
Pacon, Inc. is a long-established plastic bag and packaging manufacturer with a strong focus on produce and food-related packaging. The company serves growers, processors, and distributors with a wide range of plastic bag formats designed to meet food-handling and supply-chain requirements.
With operations dating back to 1977, Pacon’s key differentiator is its longevity and specialization rather than publicly stated production volume. Its consistent presence in the produce packaging segment reflects stable manufacturing operations and deep industry knowledge built over several decades.

Company Snapshot
- Founded: 1977
- Annual Production: Not publicly disclosed
- Expertise: Produce packaging, poly bags, bar-seal and heat-seal bags, header bags, netting, labels
- Strengths: Long operating history, specialization in food and produce packaging, broad product range
- Certificates: Not publicly disclosed
Contact Information
- Website: https://www.paconinc.com
- Phone: +1 (626) 814-4654
- Email: Contact form via website
- Address: 4249 Puente Ave, Baldwin Park, CA 91706, USA
2. Universal Plastic Bag Manufacturing Co.
Universal Plastic Bag Manufacturing Co. is a California-based producer of custom and stock plastic bags serving industrial, commercial, and retail markets. Its product portfolio includes reclosable bags, gusseted bags, trash can liners, food and fish bags, garment bags, and mattress bags.
Founded in 1986, the company emphasizes market reach and product diversity rather than disclosing production volume. Universal Plastic Bag supplies customers across the United States and internationally, positioning itself as a flexible manufacturer for both standard and custom plastic bag requirements.

Company Snapshot
- Founded: 1986
- Annual Production: Not publicly disclosed
- Expertise: Reclosable bags, gusseted bags, liners, food and fish bags, garment and mattress bags
- Strengths: Broad SKU range, custom printing capability, wide geographic distribution
- Certificates: Not publicly disclosed
Contact Information
- Website: https://www.universalplastic.com
- Phone: +1 (909) 218-2247 | +1 (800) 750-2247
- Email: sales@universalplastic.com
- Address: 1309 Wanamaker Ave, Ontario, CA 91761, USA
3. Caltex Plastics
Caltex Plastics is a specialized manufacturer of industrial and technical plastic packaging, supplying custom plastic bags, pouches, and film products. The company is particularly active in regulated and performance-driven applications, including food packaging, ESD-sensitive packaging, and military-specification materials.
Established in 1984, Caltex Plastics differentiates itself through technical expertise rather than volume disclosure. Its ability to manufacture packaging aligned with MIL-SPEC and ESD requirements positions the company as a supplier for customers with demanding compliance and performance standards.

Company Snapshot
- Founded: 1984
- Annual Production: Not publicly disclosed
- Expertise: Custom plastic bags and film, MIL-SPEC packaging, ESD packaging, food packaging
- Strengths: Technical manufacturing capability, compliance-driven product lines, custom solutions
- Certificates: Not publicly disclosed
Contact Information
- Website: https://www.caltexplastics.com
- Phone: +1 (800) 584-7303
- Email: Via website contact form
- Address: 2380 E. 51st Street, Vernon, CA 90058, USA
4. Orion Plastics
Orion Plastics is a California-based manufacturer specializing in custom polyethylene bags, sheeting, and tubing for industrial and commercial applications. The company produces a wide range of layflat and gusseted bags in multiple widths, gauges, and seal types, allowing customers to specify products precisely to their operational needs.
A key strength of Orion Plastics is its manufacturing scale. The facility operates seven blown film extrusion lines, enabling high-output production and wide-format capability. Orion also maintains an in-house recycling operation, reprocessing internal scrap for use in non-food packaging products, which supports both cost efficiency and sustainability.

Company Snapshot
- Founded: 2001
- Annual Production: Not publicly disclosed
- Notable Metric: Seven blown film extrusion lines
- Expertise: Custom polyethylene bags, sheeting, and tubing
- Strengths: Large-scale extrusion capacity, wide-format production, in-house recycling
- Certificates: Available upon request
Contact Information
- Website: https://www.orionplastics.net
- Phone: +1 (310) 223-0370
- Email: info@orionplastics.net
- Address: 700 W Carob St, Compton, CA 90220, USA
5. Poly Pak America
Poly Pak America is a long-established manufacturer of polyethylene bags and film-based packaging products based in Los Angeles. The company serves industrial, commercial, and e-commerce markets with a broad range of poly bag formats, including standard poly bags and specialty mailers.
Founded in 1971, Poly Pak America stands out for its longevity and consistent presence in the U.S. packaging market. While production volume is not publicly disclosed, its decades of operation and nationwide customer base indicate a stable manufacturing platform suited for ongoing wholesale and contract packaging programs.

Company Snapshot
- Founded: 1971
- Annual Production: Not publicly disclosed
- Notable Metric: Over 50 years in operation
- Expertise: Polyethylene bags, poly film, and mailers
- Strengths: Long operating history, broad product range, established B2B sales support
- Certificates: Not publicly disclosed
Contact Information
- Website: https://www.polypak.com
- Phone: +1 (323) 264-2400
- Email: sales@polypak.com
- Address: 2939 E Washington Blvd, Los Angeles, CA 90023, USA
Final Thoughts
The plastic bag manufacturers in California listed above offer dependable product quality, reasonable lead times, and clear communication. They are a practical option if you are focused on cost control, supply reliability, and meeting standard retail, food, and commercial packaging requirements. These suppliers are especially suitable for small to medium order volumes that require consistent material specifications and reliable quality across production batches.
When your order quantities exceed 10,000 pieces, sourcing from more cost-competitive manufacturing countries can significantly improve your overall cost structure. By manufacturing in countries such as Vietnam, you can typically achieve 28–45% cost savings, supported by direct access to plastic resin suppliers, competitive production costs, and mature export infrastructure. This strategy helps you reduce unit costs while maintaining consistent quality and stable delivery schedules.
K-Packings supplies plastic bags to customers in more than 30 countries, supporting high-volume programs with strict quality control and lead times of 15–25 days. Offshore sourcing becomes a practical option if you are price-sensitive, planning to scale production, or looking to diversify your supply base to maintain long-term cost stability as your business grows.
Get Free Plastic Bag Samples for Your Business
Before placing a bulk order, you can request free plastic bag samples to verify material strength, thickness consistency, printing quality, and sealing performance for your specific application. Factory visits are also available to help you reduce sourcing risks before moving into large-scale production.
You can also review reference projects and customers we have worked with, including Costco, Tony’s Fresh Market, Savers, and Harbor Freight. This hands-on verification further reduces sourcing risk and gives you greater confidence before committing to high-volume manufacturing.
Contact K-Packings
WhatsApp / Phone: (+84) 855 555 751
Email: info@k-packings.com | sale@k-packings.com
Addresses:
USA: 7319 N. Loop 1604 E, San Antonio, TX 78233, United States
Angola: Av. Pedro de Castro Van-Dúnem Loy, Luanda, Angola
Vietnam: 169 Nguyen Ngoc Vu Street, Cau Giay District, Hanoi
