Oak Tree Engineering LLC



From one-man company in the 2002, OTE has grown to become a specialty services company providing engineering, design, installation, and project management services to customers in compounding industry around the world. Today, we can provide complete systems solutions to our customers – from project inception to engineering to installation and commissioning. Early in our history, we realize that we have to seek partnerships and form alliances with other vendors, contractors and services providers in thermoplastics industry, if we wanted to

Our journey started with a thermoplastic compounding line upgrade project for a compounder in Ohio who took a chance a new and relatively unknown consulting firm for a simple but strategically critical project for the company.  We not only completed the project successfully but did it in record time and half the budgeted costs!  

Since then, we have undertaken all kinds of assignments, large and small, across the country and in Mexico and India.  Our clients include plastics processors and manufacturers of all sizes and structures – from small family owned operations to global fortune 500 organizations.

When it comes to project economics, we combine small company prudence to resourcefulness of large organizations.  The result, invariably, is huge cost savings for our customers – the reason we continue to get repeat business from our key customers! While maintain an experienced and agile core team, we have developed consortium of qualified, competent and experienced contractors and suppliers to handle large and complex projects safely and economically.

Today, we are a well-recognized and respected engineering services supplier in USA known for the quality of our work and attention to details. With our extensive network of contractors, vendors, and suppliers, we can provide a vast array of services under the accountability of one entity. Our small size offers the agility to provide Safe, Quality Driven and Cost-Effective services at a competitive price.

Our Alliances

CPM Extrusion Group and OT Engineering Pvt. Ltd. recently signed an agreement to be an authorized representative of CPM in India; this partnership was created in response to a dire need in the compounding industry in India regarding spare parts supply, and equipment services in a timely manner.

OTE aspires to be a full-service company in the Indian market, however, we realize that we cannot do it alone. Our goal is to build partnerships and alliances with reliable names in the industry.


The ACS Group designs, manufactures, markets and supports one of the most comprehensive lines of auxiliary products for the plastics processing industry. Formed through a series of acquisitions, the ACS Group maintains an expansive product line, which includes size reduction equipment (granulators and shredders), material conveying equipment, metering and blending devices, heat exchangers (mold temperature controls units and chillers), drying systems, and presses. These products are marketed under such recognizable brand names as AEC, Sterling, Sterlco, Cumberland, Wabash, and Carver.


Vital Tech Service, LLC and Oak Tree Engineering, LLC recently joined forces as technology partners.  Vital Tech provides clients with a comprehensive range of solutions including custom databases that interface with existing system.  Maximo, SAP, and Salesforce are just a few of these systems.  Vital Tech’s software and services continue to provide high quality solutions for companies of all sizes. OTE recognizes the need for software services in compounding industry. With manufacturers moving towards Industry 4.0 procedures and practices, it is vital for any technical services provider to have the latest in technology available to keep up with rapidly changing manufacturing environment.