What Showa Paxxs does

Showa Paxxs Co., Ltd. is a Tokyo-headquartered Japanese industrial packaging manufacturer founded in December 1935 and listed on the JASDAQ exchange since April 1999. The company designs and manufactures heavy-duty kraft paper bags, polyethylene heavy bags, flexible intermediate bulk containers (FIBCs), industrial and agricultural films, and packaging machinery systems, serving chemical, petrochemical, cement, food, agricultural, and fishery customers across Japan. Operations span six domestic factories (Tokyo, Hofu, Toyama, Kameyama, Morioka, Kakegawa) and one Thai manufacturing subsidiary, supported by four regional sales branch offices.

The company's technical core is a portfolio of specialty bag constructions—pinch bags with hot-melt sealing, double-pinch bags with inner-layer heat sealing, easy-open bags, Z-fold inner liner bags, and STS barcoded bags enabling per-unit manufacturing history traceability—combined with ISO 9001-certified production across all factories and ISO 14001 environmental certification at the Tokyo facility. A 1962 technology licensing agreement with St. Regis Paper Company (now Smurfit-Stone Container Corporation) underpins the kraft bag manufacturing process. Products are sold under branded sub-lines including L-Paxxs, Double Pinch Bag, Super Burnal agricultural film, L-Con FIBCs, and ES-Tank liquid transport liners.

Revenue is generated primarily through one-time product sales of bags, containers, films, and packaging machinery to enterprise industrial customers, supplemented by a real estate rental stream from a 1990-built warehouse at the Tokyo factory. Go-to-market is direct B2B sales through the Tokyo headquarters sales department and four regional branch offices (Osaka, Chubu, Tohoku, West Japan), with no channel partners or distributors. Consolidated revenue was ¥23.3 billion for the fiscal year ending March 2025, with 456 employees as of March 31, 2025.

Name

Showa Paxxs

Legal name

昭和パックス株式会社

Website

https://showa-paxxs.co.jp

Company type

Public

Founded year

1935

Operating status

Operating

Headcount range

251–500 employees

Short description

Showa Paxxs Co., Ltd. is a Japanese industrial packaging manufacturer founded in 1935, producing kraft paper bags, polyethylene heavy bags, FIBC containers, industrial and agricultural films, and packaging machinery for chemical, cement, food, agricultural, and fishery customers across Japan and Southeast Asia.

Ownership category

akta.pro rank

Product category

Industrial Packaging Materials

NAICS

Paper Bag and Coated and Treated Paper Manufacturing (322220), Plastics Bag and Pouch Manufacturing (326111), Packaging Machinery Manufacturing (333993)

SIC

Papers & Allied Products (2600), Plastics, Foil & Coated Paper Bags (2673)

akta.pro primary industry

Paper Bags & Sacks (retail, industrial, multiwall) (IMAMAHAC)

akta.pro secondary industries

Bulk Liners & Container Liners (Dry Bulk Liners) (IMALAGAE), Industrial & Heavy-Duty Flexible Packaging (Construction, Chemicals, Liners) (IMALABAJ)

Keywords

• Industrial packaging materials
• Heavy-duty kraft paper bags
• Flexible bulk containers
• Agricultural films
• Packaging machinery systems

Headquarters

HQ city

Shinjuku

HQ country

Japan

HQ region

Asia

Offices15 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Supply Chain, Operations, Personnel, Infrastructure, Technology or R&D, Marketing or Sales

Revenue model

1. 重包装袋（クラフト紙袋・ポリエチレン重袋）: Sales of heavy-duty paper bags and polyethylene heavy bags for industrial packaging applications including chemicals, agricultural products, and food.
2. フィルム製品: Sales of industrial films, agricultural films, and secondary processing films for food and industrial applications.
3. コンテナー: One-way flexible containers, bulk container liners, and liquid liners for transporting powders, granules, and liquids.
4. 包装機械装置システム: Sales of filling and sealing machines and general packaging machinery for efficient use of packaging containers.
5. 不動産賃貸: Real estate rental business from warehouse facilities built at Tokyo factory in 1990.

Go-to-market motion1 record

Distribution channels3 records

Marketing channels3 records

Core offering

Showa Paxxs manufactures and sells industrial packaging materials, with heavy-duty kraft paper bags as its core product. The portfolio spans four product lines: paper heavy-duty bags, polyethylene heavy bags, flexible intermediate bulk containers (FIBCs) and liquid transport containers, industrial and agricultural films, and the packaging/sealing machinery used to fill them. Customers include chemical, cement, petrochemical, agricultural, fishery, and food manufacturers in Japan, with a Thailand subsidiary serving Southeast Asia.

Product overview

昭和パックス株式会社 is a leading industrial packaging manufacturer offering four core product lines: (1) Heavy-duty kraft paper bags (重包装用紙袋) including pinch bags, double-seal bags, easy-open bags, bag-in-bag systems, Z-fold inner liner bags, valve bags, square-bottom medium bags, rice/wheat bags, and polyethylene heavy bags; (2) Container products (コンテナ) including flexible bulk containers (エルコン), collapsible container bags (バルコン), 1,000L liquid transport bags (エスキューブ), and 20ft container liquid liners (エスタンク); (3) Industrial and agricultural films (フィルム) including shrink films (エスタイト), stretch films (エスラップ), printing films (エスクレア), pallet covers, and agricultural PO films (スーパーバーナル, キリヨケバーナル, ハイクリアー, 農サクビ, ニューサリーズＡ); and (4) Packaging machinery systems (包装機装置システム) including manual and automatic sealing machines. The company also provides a traceability system (昭和トレーサビリティシステム) and real estate rental services.

Differentiator

Problem solved

Functional benefit

Brands

• 昭和トレーサビリティシステム (STS): Showa Traceability System - a traceability system that tracks manufacturing history of paper bags using barcodes
• エルパックス (L-Paxxs)
• ダブルピンチバッグ (Double Pinch Bag)
• ピンチバッグ (Pinch Bag)
• エスタイト (Estate)
• エスラップ (S-Rap)
• スーパーバーナル (Super Burnal)
• キリヨケバーナル (Kiriyoke Burnal)
• エルコン (L-Con)
• エスキューブ (EsqCube)
• エスタンク (ES-Tank)

Products and services

• Heavy-Duty Kraft Paper Bags and Polyethylene Heavy Bags Heavy-duty paper bags and polyethylene heavy bags for industrial packaging of chemicals, agricultural products, food products, cement, and fertilizers. Includes pinch bags, double pinch bags, flash pinch bags, easy-open bags, bag-in-bag, Z-fold inner liner bags, glue-sealed valve bags, medium-size square-bottom bags, rice/wheat bags, L-Paxxs (double-sided adhesive tape bags), SCE bags, and Eco bags.
• Flexible Intermediate Bulk Containers and Container Liners Polypropylene woven fabric flexible containers (FIBCs) and one-way disposable inner liners for transporting powders, granules, and liquids. Includes L-Con FIBCs (B-type, J-type, high weather-resistant, and Ruppy variants compliant with JIS Z 1651, 1,000-1,500 kg SWL), Valcon bulk liners, EsqCube 1,000-liter collapsible container inner bags produced in Class 10,000 cleanroom, and ES-Tank 20-foot container liquid transport liners (18,000-24,000 liter capacity).
• Industrial and Agricultural Films Industrial shrink films (Estate), pallet stretch wrap films (S-Rap), printing films (S-Clear), pallet covers, and agricultural PO films including Super Burnal (anti-drip), Kiriyoke Burnal (anti-fog for disease prevention), High Clear Fruits, Nousaku-bi, New Series A (for cherry cultivation), and Side-Stretch PO Film. Films are used for general industrial packaging, food applications, and greenhouse/field agriculture.
• Packaging Machinery Systems Filling and sealing machines and general packaging machinery for efficient use of Showa Paxxs packaging containers. Includes the simple (manual) sealing machine for small-lot kraft paper bag sealing using hot air-free heat sealing with intermittent drive, and automatic packaging machines for pinch bags, double pinch bags, SS pinch, and flash pinch bags.
• STS (Showa Traceability System) Traceable Paper Bags Kraft paper bags with individual barcoded identification enabling per-bag manufacturing history tracking and traceability for quality control and defect identification.
• Real Estate Rental Business Rental of warehouse facilities built at the Tokyo factory site, providing recurring rental income since 1990.

Named customers6 records

Segments3 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature1 record

Scale indicators6 records

Recent moves6 records

Expansion highlights4 records

Broad incumbents

• Sealed Air Corporation: Global packaging company specializing in protective and food packaging, including shrink films and stretch films directly comparable to Showa Paxxs' ES-Tite (shrink) and S-Rap (stretch) product lines. Broader portfolio but overlapping industrial film technology.
• Smurfit Westrock: Global paper-based packaging leader formed from the merger of Smurfit Kappa and WestRock (the former being the parent of Showa Paxxs' long-standing technology partner, Smurfit-Stone Container Corporation). Operates broadly in industrial and consumer paper packaging with overlapping capabilities to Showa Paxxs' kraft paper and converted paper products.
• Sonoco Products Company: Global diversified packaging manufacturer serving industrial, consumer, and healthcare end markets with paperboard, flexible packaging, and protective solutions. Comparable to Showa Paxxs in industrial paper-based and flexible packaging serving chemicals, food, and agricultural customers.
• Nippon Paper Industries Co., Ltd. Leading Japanese paper and paperboard manufacturer with packaging and converted paper product lines serving domestic industrial customers. Comparable to Showa Paxxs in Japanese paper-based packaging supply, with broader upstream paper production capabilities.
• Toppan Holdings Inc. Major Japanese packaging and printing company with operations across flexible packaging, paperboard containers, and industrial films. Comparable to Showa Paxxs as a domestic Japanese competitor in industrial and consumer packaging, though with greater diversification into printing and information technology.
• Oji Holdings Corporation: Major Japanese paper manufacturer with diversified packaging, containerboard, and converted paper products businesses. Comparable to Showa Paxxs as a domestic Japanese paper-based packaging participant with broader upstream integration into pulp and paper production.

Direct peers

• Mondi Group: European paper-based packaging manufacturer with significant industrial bag and kraft paper operations serving chemicals, food, and agricultural customers. Closely comparable to Showa Paxxs' heavy-duty kraft paper bag and flexible packaging portfolio across similar enterprise end markets.
• Greif Inc. US-listed global industrial packaging company producing IBCs, FIBCs, drums, and container liners for chemicals, food, and agricultural customers. Directly comparable to Showa Paxxs in flexible intermediate bulk containers and bulk liquid/dry transport liners serving overlapping B2B industrial end markets.
• Rengo Co., Ltd. Japan's largest integrated packaging company, producing corrugated packaging, folding cartons, and flexible packaging for domestic industrial customers. Directly comparable as a domestic Japanese competitor in industrial paper-based packaging serving similar enterprise accounts.
• Mauser Packaging Solutions: Global manufacturer of industrial containers including IBCs, drums, and reconditioning services for chemicals and food-grade liquid transport. Comparable to Showa Paxxs' container product line (L-Con, ES-Cube, ES-Tank) serving similar bulk industrial liquid and powder transport use cases.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks5 records

Key highlights7 records

Customer concentration

Compliance2 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles10 records

Subsidiaries6 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Showa Paxxs