Ouellette Machinery Systems Nurturing Relationships Over Generations
A Track Record of Success


About Us
Ouellette Machinery Systems, Inc. has a long-standing tradition of achievement, which we are most proud of. We were founded in 1971, originally serving as a consultant and service provider in the beverage industry. OMS secured our first patent in 1974 for our “Bottle in Case Decapper.” Since then we have gone on to secure over 50 patents. We pride ourselves on our innovations in the fields of mechanical and electromechanical design. We enjoy being innovators in our industry and look at the challenges presented by our customers with excitement. Today our facility has grown to over 60,000 sf and our team continues to tackle projects with enthusiasm.
Why Choose OMS?
Nurturing Relationships Over Generations
OMS is a self-sufficient manufacturer offering a complete line of bulk, case, bag, drum and pail palletizers as well as bulk and case depalletizers ranging from semi-automatic to fully automatic. To compliment our palletizers and depalletizers, we also manufacture and supply tabletop chain and air conveyor systems to include case, bag and pallet conveyor systems to meet your specific needs while providing you with the most efficient handling of your product..
Industry Leading Accolades
- The OMS System offers a superior approach, forming layers & pallet loads.
- Rows of containers are asynchronously processed.
- Multi-row infeed systems are equipped with separation lane dividers to ensure efficient control.
A proven track record of Success
- OMS was founded in 1971
- The OMS facility has grown from 4,600 SF to over 60,000 SF
- OMS holds a patent on an “Earthquake Simulator” which was commissioned by the St. Louis Science Center
HONESTY. INNOVATION. INTEGRITY.
OMS also manufactures other product handling equipment which may be found under the “Additional Equipment” Section of this web site. The OMS experienced design staff and state of the art computer aided design department gives us the ability to prepare detailed floor plan layouts and efficiently solve your most complicated product handling needs. System Integration that extends from production input materials loading stations, conveyance and packaging to product ready for shipment.

A Proud History Of Success
1971 - The OMS Story Begins
OMS begins primarily as a consultant & service provider to the soft drink & beer industry.
1972 - The Bottle Cap “Decapper”
OMS designs a in case bottle cap Decapper
1973 - Room to Grow
OMS obtains an initial 4,600 sq. ft. lease
1974 - “Decapper” Patent Secured
Patent #3,803,795 – Closure Removing Apparatus and Method
1978 - St. Louis Science Center Earthquake Simulator
Patent #4,112,776 – Earthquake Simulator, OMS designs and patents this simulator for the St. Louis Science Center
1990 - Expanding Success
OMS has maintained an additional 13,800 sq. ft. from third party adjacent building
1993 - Broadened Horizons
Progressive lease on space expansion leads to purchase of 33,200 sq. ft. facility
2000 - Sheet Retainer & Combination Palletizer/Depallitizer
Sheet Retainer & Combination Palletizer/Depallitizer Patent #6,106,220 – Slipsheet Retainer For Bulk Depalletizer-Palletizer
2004 - Greater Heights
OMS purchases adjacent 11,600 sq. ft. facility
2009 / 2010 - Layer Bagging Palletizer Series
OMS is granted multiple patents for object conveyor & bagging systems.third party adjacent building Patent #7,481,033 B2 Patent #7,681,380 B2 Patent #7,798,763 B1
2013 - Patently Progressive
By 2013 OMS is granted its 55th US patent
2015 - 500 Palletizers
OMS ships the 500th palletizer
2017 - 46 Years Strong
OMS is as excited as ever to help your company’s future! 55 Patents & others pending 500+ Bulk Palletizers in North & South America
2018 - Speeding Up Productivity
All bulk palletizer designs increased speeds to 1200 c/min
2019 - CNC Laser Fabrication Upgrade
OMS upgrades the fabrication department with new 14’ CNC laser, new 14’ & 6’ brake presses
Years of Innovation, Proudly Patented
Over the years we have been challenged with a wide variety of problems to solve for our clients. Here at OMS we are problem solvers. To prove it we are proud to show you our ever growing collection of patents, issued by the U.S. Government in recognition of our ingenuity.
Why Choose OMS
Ouellette Machinery Systems
Our Office
1761 Chase Dr.
Fenton, MO 63026
Contact Us
(636) 343-7200
(800) 545-7619
sales@omsinc.net
Office Hours
Mon-Fri: 9am - 5pm
Sat-Sun: Closed