Working with the right custom plastic bag manufacturer helps you create packaging that strengthens your brand identity and delivers a more consistent customer experience. By partnering directly with manufacturer, you can improve brand recognition and customer loyalty by 20–45% through tailored bag designs, consistent print quality, and materials that align with your brand positioning and product requirements.
This article introduces 7 custom plastic bag manufacturers that support a wide range of bag styles, materials, printing options, and production volumes. These suppliers help you develop custom packaging solutions that align with your branding strategy, application needs, order quantities, and long-term business objectives.
At the end of the list, you will find practical sourcing insights to help you evaluate customization capabilities, avoid common design and production risks, and build long-term manufacturing partnerships that support your brand differentiation and sustainable business growth.
1) Novolex
Novolex is one of the world’s leading manufacturers of custom plastic bags and flexible packaging solutions, serving grocery, retail, foodservice, and industrial markets. The company operates at true industrial scale, supplying high-volume programs for major retailers and multinational brands with consistent quality and long-term supply reliability.
A key differentiator of Novolex is its vertically integrated sustainability model. With an extensive internal recycling network and closed-loop programs, Novolex is able to produce bags with high recycled content while maintaining performance standards. The company manages a portfolio of more than 120 product categories, 250 brands, and over 39,000 SKUs, supported by a manufacturing footprint of more than 100 production facilities worldwide.
Company Snapshot
- Founded: 2003
- Annual Production: Large-scale industrial output (not publicly disclosed by tonnage)
- Expertise: Custom plastic bags, retail and foodservice bags, industrial liners, flexible packaging, recycled-content solutions
- Strengths: Massive manufacturing footprint, broad product portfolio, advanced closed-loop recycling capabilities
- Certificates: Site-specific certifications (ISO, food-contact, sustainability standards depending on product line)
Contact Information
- Website: https://novolex.com
- Phone: +1 (800) 845-6051
- Email: Via website contact form
- Address: 3426 Toringdon Way, Suite 200, Charlotte, NC 28277, USA
2) Amcor
Amcor is a global packaging leader with strong capabilities in custom flexible packaging, including plastic films and bag-type packaging for food, consumer goods, and industrial applications. The company is widely trusted by multinational brand owners that require consistent packaging standards across multiple regions.
Operating in more than 40 countries, Amcor combines large-scale manufacturing with advanced material science and design expertise. With over 400 production and commercial locations and approximately 75,000 employees worldwide, Amcor delivers global supply continuity and innovation-driven packaging solutions at scale.
Company Snapshot
- Founded: 1896
- Annual Production: Global large-scale output (not publicly disclosed by tonnage)
- Expertise: Flexible plastic packaging, films and laminates, custom packaging solutions for food and healthcare
- Strengths: Global manufacturing network, strong R&D capabilities, proven reliability for multinational customers
- Certificates: Product- and site-specific certifications (ISO, BRCGS, food and healthcare compliance)
Contact Information
- Website: https://www.amcor.com
- Phone: +1 800-544-4672 (North America)
- Email: flexibles@amcor.com
- Address: Thurgauerstrasse 34, 8050 Zurich, Switzerland
3) K-Packing
K-Packing is a Vietnam-based manufacturer specializing in custom plastic and reusable packaging for retail, supermarket, and promotional programs. The company supplies customers in more than 30 countries across Asia, Europe, North America, and Oceania, enabling you to source at scale from a supplier with proven international delivery capability.
From a sourcing perspective, K-Packing allows you to improve cost efficiency without compromising quality. By combining flexible manufacturing capabilities with Vietnam’s competitive labor environment (approximately USD 1.82 per hour versus around USD 39 per hour in the United States) you can reduce total packaging costs by 20–55%, depending on your product specifications. Typical lead time ranges from 15 to 25 days, helping you maintain inventory flow and respond quickly to retail or promotional demand.
Company Snapshot
- Founded: 1996
- Annual Production: Large-scale export production supporting your bulk and wholesale programs
- Expertise: Custom PP woven bags, non-woven bags, RPET reusable bags, retail and supermarket packaging
- Strengths: Full customization of size and gauge; flexographic and gravure printing; multiple construction options; barrier, antistatic, UV-resistant, and recycled-content materials; AQL-based quality control with full lot traceability to protect your supply chain
- Certificates: ISO 9001, ISO 14001, BSCI, GRS, FDA, BRCGS
Contact Information
- Website: https://k-packings.com
- Phone: +84 24 3577 1888
- Email: info@k-packings.com | sale@k-packings.com
- Address: 169 Nguyen Ngoc Vu Street, Cau Giay District, Hanoi, Vietnam
4) Sigma Plastics Group
Sigma Plastics Group is one of the largest privately owned manufacturers of plastic films and custom plastic bags in North America. The group serves a wide range of markets including industrial, agricultural, food, medical, and retail, with strong capabilities in high-volume bag programs and converter-grade films.
Sigma operates a large manufacturing network across the United States and is widely recognized for processing more than two billion pounds of resin annually. This scale, combined with a decentralized operating structure, allows the company to respond quickly to customer requirements while maintaining consistent supply for bulk and wholesale buyers.
Company Snapshot
- Founded: 1978
- Annual Production: Over 2 billion pounds of resin processed per year
- Expertise: Custom plastic films and bags, stretch film, industrial and agricultural packaging
- Strengths: Extremely large production scale, broad product range, strong execution for high-volume programs
- Certificates: Site- and product-specific certifications depending on facility
Contact Information
- Website: https://www.sigmaplasticsgroup.com
- Phone: +1 800-325-7740
- Email: Via website contact channels
- Address: 2919 Center Port Circle, Pompano Beach, FL 33064, USA
5) ProAmpac
ProAmpac is a global flexible packaging manufacturer known for its advanced material science and innovation-driven approach. While not exclusively focused on traditional plastic shopping bags, ProAmpac is highly relevant for custom bag-type flexible packaging used in food, consumer goods, and industrial applications.
The company operates a broad international manufacturing platform and supports large-volume customers through a combination of scale, technical expertise, and sustainability-focused product development. ProAmpac is frequently selected by multinational brands requiring customized structures and consistent quality across regions.
Company Snapshot
- Founded: 2015
- Annual Production: Not publicly disclosed
- Expertise: Flexible plastic packaging, custom films, converting and printed packaging solutions
- Strengths: Strong R&D capability, sustainability-led innovation, global customer support
- Certificates: Site- and product-specific certifications depending on market and application
Contact Information
- Website: https://www.proampac.com
- Phone: +1 800-543-7030
- Email: info@proampac.com
- Address: 12025 Tricon Road, Cincinnati, OH 45246, USA
6) Coveris
Coveris is a leading European manufacturer of paper and plastic-based flexible packaging, supplying custom solutions to food, medical, consumer, agricultural, and industrial markets. The company is particularly strong in high-performance flexible packaging that combines material efficiency with advanced converting and printing capabilities.
With operations across multiple countries in Europe and the broader EMEA region, Coveris offers reliable regional supply and the ability to support large customers with standardized packaging programs across several markets.
Company Snapshot
- Founded: 2013
- Annual Production: Not publicly disclosed
- Expertise: Flexible plastic and paper packaging, high-performance and sustainable packaging solutions
- Strengths: Strong EMEA manufacturing footprint, technical converting expertise, focus on sustainability
- Certificates: Site- and product-specific certifications depending on application
Contact Information
- Website: https://www.coveris.com
- Phone: +43 1 2058122
- Email: hello@coveris.com
- Address: Wienerbergstraße 11, 1100 Vienna, Austria
7) TC Transcontinental Packaging
TC Transcontinental Packaging is a major North American flexible packaging producer with strong capabilities in plastic film printing, lamination, and converting, including custom bag and pouch formats. The company serves food, consumer, and industrial customers requiring consistent quality and large-scale production.
Founded in the 1970s, TC Transcontinental has built a stable manufacturing platform that supports long-term supply agreements and complex packaging programs across Canada and the United States.
Company Snapshot
- Founded: 1976
- Annual Production: Not publicly disclosed
- Expertise: Flexible plastic packaging, printing, lamination, converting of bags and pouches
- Strengths: Long operating history, strong North American footprint, reliable high-volume production
- Certificates: Site- and product-specific certifications depending on facility
Contact Information
- Website: https://tctranscontinental.com
- Phone: +1 514-954-4000
- Email: communications@tc.tc
- Address: 1 Place Ville Marie, Suite 3240, Montréal, Québec H3B 0G1, Canada
Final Thoughts
The plastic bag manufacturers highlighted above offer reliable product quality, competitive lead times, and clear communication, making them a strong option if your business prioritizes supply continuity, consistent materials, and meeting standard packaging requirements. They are particularly well suited when your orders involve small to medium production volumes and require stable specifications across multiple production runs.
Get Free Plastic Bag Samples for Your Business Today
Before placing a bulk order, you can request free plastic bag samples from K-Packings to confirm that material strength, thickness consistency, and sealing performance meet your application requirements. Factory visits are also available to help reduce your sourcing risk before you scale to large-volume production.
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
