What Weiler Engineering does

Weiler Engineering, Inc. is a US-based manufacturer of custom Blow/Fill/Seal (B/F/S) aseptic packaging machinery for pharmaceutical and healthcare manufacturers. The company's core offering is the ASEP-TECH® B/F/S platform, which integrates container extrusion, forming, sterile filling, and sealing into a single automated operation, producing sterile finished product in seconds across fill volumes from 0.2 mL to 2000 mL using L.D.P.E., H.D.P.E., and P.P. resins under Class 100 conditions. The product portfolio spans six machine models (LAB+, 624, 628, 640, 660, 603) covering laboratory to large-bottle production, supplemented by an accessories ecosystem including cap welders, deflashing systems, environmental monitoring, filter integrity testing, lift carts, and slitter systems.

The company operates a vertically integrated model anchored at its Elgin, Illinois headquarters, which combines CNC machining, EDM operations, rapid prototyping, R&D test labs, and 10 dedicated assembly bays under one roof. Equipment is custom-built with 10-12 month lead times and sold via direct enterprise sales involving Factory Acceptance Trials and Site Acceptance Trials; revenue streams include one-time machinery sales, aftermarket spare parts, and maintenance and support services. Pricing is quote-based with standard one-year warranty and trade-in options available; multi-year contracts are typical. Customer segments span pharmaceutical injectables (SVPs and LVPs), ophthalmic solutions, respiratory therapies, and, to a lesser extent, nutraceuticals. Marketing combines international trade-show presence (CPHI Frankfurt, PackExpo Las Vegas, PMEC India, BFS IOA Japan, Farma Forum Madrid, AllPack Jakarta) with technical white papers and content distribution across LinkedIn, Facebook, Instagram, and YouTube.

Founded in 1959 in Elk Grove, Illinois and now privately held with 51-100 employees, Weiler has historically focused exclusively on B/F/S machinery after divesting its ALP contract manufacturing business in 1999. The company's competitive moat rests on regulatory compliance (FDA, EMA, WHO, GAMP), proprietary isolation/insertion technology, qualification-driven switching costs, and 65+ years of accumulated aseptic-process expertise; no public financial disclosures, funding rounds, or ownership transitions are identified in the available data.

Name

Weiler Engineering

Legal name

Weiler Engineering Inc.

Website

https://weilerengineering.com

Company type

Private

Founded year

1959

Operating status

Operating

Headcount range

51–100 employees

Short description

Weiler Engineering, Inc. designs and manufactures custom Blow/Fill/Seal (B/F/S) aseptic packaging machinery under the ASEP-TECH® brand for pharmaceutical and healthcare manufacturers globally.

Ownership category

akta.pro rank

Product category

Aseptic Packaging Machinery

NAICS

Packaging Machinery Manufacturing (333993)

SIC

Special Industry Machinery (No Metalworking Machinery) (3550)

akta.pro primary industry

Form-Fill-Seal (VFFS/HFFS) Machines (IMAHAOAA)

akta.pro secondary industries

Sterile & Aseptic Medical Packaging (Pouches, Wraps, Sterile Barriers) (IMALAIAB), Medical & Pharmaceutical Thermoformed Packaging (IMANAHAB)

Keywords

• Aseptic packaging machinery
• Blow fill seal equipment
• Pharmaceutical manufacturing systems
• Sterile liquid packaging
• Parenteral packaging machinery

Headquarters

HQ city

Elgin

HQ country

United States

HQ region

North America

Offices2 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. B/F/S Machinery Sales: Custom B/F/S packaging machines sold to pharmaceutical and healthcare manufacturers. Models include LAB+ (laboratory/small scale), 624 (R&D/compact), 628, 640 (high-speed production), 660 (large bottles), and 603 (large format). Lead time typically 10-12 months. Includes optional accessories like deflashers, cap welders, environmental monitoring systems.
2. Spare Parts: Genuine spare parts for B/F/S machines sold through a quote-based ordering system. Parts inventory maintained for swift availability and minimal downtime.
3. Equipment Support Services: Maintenance, repair, and support services including emergency repairs, full material traceability, and site acceptance trials (SAT).

Pricing tiers

Go-to-market motion1 record

Distribution channels1 record

Marketing channels4 records

Core offering

Weiler Engineering designs, manufactures, and services custom Blow/Fill/Seal (B/F/S) aseptic packaging machinery under the proprietary ASEP-TECH® brand for pharmaceutical and healthcare manufacturers. The integrated B/F/S system combines container forming, filling, and sealing in a single automated sterile operation, producing plastic sterile-filled containers ranging from 0.2mL vials to 2000mL LVP bottles. The company also provides genuine spare parts, maintenance/repair services, and a range of optional accessories (deflashers, cap welders, environmental monitoring systems).

Product overview

Weiler Engineering, Inc. is a leading provider of B/F/S (Blow/Fill/Seal) machinery for pharmaceutical and healthcare applications. The company's product portfolio centers on the ASEP-TECH® brand — a comprehensive B/F/S system that combines container forming, filling, and sealing into a single sterile operation. The ASEP-TECH® platform is available across multiple machine models: the Model LAB+ (small-scale laboratory/clinical production), Model 640 (high-speed production for 0.2-500mL containers), Model 624 (compact R&D entry-level), Model 628 (all-electric servo control), Model 660 (large bottle production 100-2000mL), and Model 603 (large format bottles). These machines are complemented by a full range of optional accessories including Cap Welders, Deflashing Systems (Swing Arm, LVP Bottle, Take-Out), Environmental Monitoring Systems, Filter Integrity Testing (Pall I-Tester), Lift Carts, and Slitter Systems. The company also provides Spare Parts and Equipment Support services. Fill volumes span from 0.2mL to 1000mL LVP bottles using L.D.P.E., H.D.P.E., and P.P. resins, with typical lead times of 10-12 months and a standard one-year warranty.

Differentiator

Problem solved

Functional benefit

Brands

• ASEP-TECH®: Proprietary Blow/Fill/Seal system technology developed by Weiler Engineering for aseptic processing and sterile packaging.

Products and services

• ASEP-TECH® B/F/S Systems Core B/F/S system brand that produces plastic aseptically packaged sterile-filled containers. Fill volumes range from 0.2mL vials to 1000mL LVP bottles using L.D.P.E., H.D.P.E., and P.P. resins. The integrated 5-step process (extrude, form, fill, seal, extract) creates sterile finished product in seconds with HEPA filtration, automated sterilization, and real-time particle monitoring guaranteeing Class 100 environments.
• Model LAB+ B/F/S Packaging Machine Small footprint, versatile B/F/S system designed for laboratory, stability/clinical trial, 503b, vaccine, biologic, and small scale production applications. Available in Single-Use Technology (SUT) or CIP/SIP configuration with all Electric-Servo motion controls and stepped-base design for easy maintenance and changeover.
• Model 640 B/F/S Packaging Machine High-speed B/F/S production machine with container range from 0.2mL to 500mL. Features isolation technology utilizing a barrier isolator for precise handling of sterile inserts, Class 100 sterility with tip and cap assemblies loaded through rapid transfer ports, and output up to 19,200 units/hr in 64-cavity configuration. Servo controlled fill motion with stepped base design for easy maintenance.
• Model 624 B/F/S Packaging Machine
• Model 628 B/F/S Packaging Machine Advanced B/F/S machine with all-electric servo motor controls and stepped-base design for easy maintenance and quick changeovers. Fully compatible with Model 624 tooling for seamless integration and delivers precision and efficiency in every operation.
• Model 660 B/F/S Packaging Machine High-speed B/F/S machine engineered for large bottle production from 100mL to 2000mL. Features stepped-base design for easy maintenance, servo-controlled fill motion, and cap welder readiness for versatile production of multi-entry LVP containers.
• Model 603 B/F/S Packaging Machine Large bottle B/F/S packaging machine with all-electric servo motion and stepped-base design for easy maintenance and quick changeovers. Optimized for precise and reliable large format bottle packaging.
• Cap Welders Automatic and manual load Cap Welder systems for use downstream from B/F/S machines. Available as integrated packages with new B/F/S machines or standalone units. Designed for efficient production of multi-entry LVP containers (100mL to 500mL) with local multi-entry overcaps.
• Deflashing Systems Advanced deflashing solutions for precision, reliability, and seamless integration with B/F/S machines. Includes Swing Arm Deflasher for container separation, LVP Bottle Deflasher for bottles 50 to 1000mL with top and bottom deflashing, and Take-Out Deflasher integrated with B/F/S machines for deflashing during the cycle.
• Environmental Monitoring Systems Systems designed to maintain cleanroom standards and monitor critical environments. Includes Parison Shrouding System with HEPA-filtered airflow for FDA Class 10,000 particle levels, Environmental Monitoring for airborne particle counting, and Viable Particulate Microbial Sampling Tube for Class 100 environment air sampling.
• Filter Integrity Testing (Pall I-Tester) In-situ integrity testing system for aseptic filters, fully compliant with 21CFR Part 11 for secure and reliable data storage. Validates sterility of filters used in B/F/S production processes.
• Spare Parts Genuine spare parts for B/F/S machines sold through a quote-based ordering system. Parts inventory maintained for swift availability and minimal downtime.
• Equipment Support Services Maintenance, repair, and support services for B/F/S machines including emergency repairs, full material traceability, and site acceptance trials (SAT).

Quantifiable outcome

• Up to 19,200 units/hr production output (64-cavity Model 640 configuration)
• +1 more outcomes

Segments4 records

Ideal customer profiles4 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature5 records

Scale indicators3 records

Recent moves8 records

Expansion highlights4 records

Direct peers

• Rommelag: German-based pioneer and global leader in Blow/Fill/Seal aseptic packaging machinery, directly competing with Weiler's ASEP-TECH® systems across pharmaceutical, ophthalmic, and cosmetics applications. Most direct and significant head-to-head competitor in the B/F/S category.
• Syntegon Technology (formerly Bosch Packaging Technology): Major global manufacturer of pharmaceutical processing and packaging machinery, including aseptic fill-finish and B/F/S-capable systems. Competes with Weiler in the same enterprise pharma customer set and offers a broader portfolio spanning liquids, solids, and parenterals.
• IMA Group: Italian leader in packaging machinery for pharmaceuticals, cosmetics, and food, with aseptic and sterile fill-finish product lines. Competes with Weiler in injectable and ophthalmic packaging equipment and is significantly larger and more diversified geographically.
• Romaco Group: European manufacturer of pharmaceutical processing and packaging machinery, including aseptic and liquid fill-finish systems. Comparable to Weiler in scale and customer base, with overlapping presence at major pharma tradeshows.

Broad incumbents

• GEA Group: Large industrial group supplying processing and packaging equipment to pharmaceutical, food, and dairy customers. Competes at the broader aseptic processing equipment level, including liquid pharma fill-finish, and offers a more global service footprint than Weiler.
• Becton, Dickinson and Company (BD) - Pharmaceutical Systems: Major medical device and pharmaceutical systems manufacturer with a B/F/S prefillable syringe platform competing directly for injectable packaging customers that Weiler also serves. A much larger incumbent with global scale and integrated drug-delivery solutions.

Emerging players

• Stevanato Group: Italian-based supplier of pharmaceutical containment solutions including glass vials, syringes, and increasingly plastic/aseptic formats. Competes with Weiler for injectable packaging customers at the container-architecture level rather than the machinery level.
• Gerresheimer AG: Global manufacturer of primary packaging for pharma and cosmetics, including glass and plastic containers. Adjacent competitor to Weiler for injectable and ophthalmic packaging customers, though primarily a container supplier rather than a B/F/S machinery vendor.
• AptarGroup: Global supplier of dispensing systems, seals, and closures for pharmaceutical, beauty, and food applications. Competes with Weiler at the ophthalmic and respiratory packaging component level, and increasingly in integrated drug-delivery devices.
• Schott AG: Leading specialty glass and pharmaceutical packaging manufacturer, with growing RTU (ready-to-use) syringe and vial offerings. Competes with Weiler for the same injectables customers at the primary-packaging level, representing the principal alternative to B/F/S plastic.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks7 records

Key highlights7 records

Customer concentration

• Xx.com/weileraseptech

Revenue estimate

Valuation estimate

Number of profiles

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 Weiler Engineering