Built-Rite Tool & Die, Inc.

Built-Rite Tool & Die, Inc. and its Reliance Engineering and LSR Engineering divisions are an integrated Plastics Technology Company. Founded in 1984, the Company provides expertise in Plastic Part Design for Manufacturability, Mold Design, Mold Making, Plastic Processing and Machining and Value Added Product Assembly Services. We are an ISO 9001/2008 registered Company. Built-Rite Tool & Die, Inc. is the corporate parent and the foundation of the Company. Built-Rite Tool & Die, Inc. specializes in the design and construction of complex Injection Molds, Liquid Injection Molds, Compression, Transfer and Insert Molds for the Plastics Industry.

Reliance Engineering is a unique Custom Molder of Thermoplastic and Thermoset plastic materials. Reliance focuses on demanding applications that require high temperature plastic materials, very close tolerance molding capability, as well as Insert Molding and Over Molding capabilities. From millions of Injection Molded parts, to very large Compression Molded/Structural Composite parts, to precise Medical or Military/Aerospace parts, Reliance Engineering is a “Go To” resource for our customers seeking plastics manufacturing solutions.

LSR Engineering is a specialized Custom Molder of Liquid Silicone Rubber, focused on demanding applications for the Medical and Aerospace markets. Insert Molding and Over Molding represents Core Capabilities at LSR. LSR Engineering also uses the Compression and Transfer molding process to mold Liquid Silicone Rubber.

Values Added Services are the Capstone of our combined capabilities. We provide Clean Room Product Assembly utilizing Ultrasonic Welding, Laser Etching, Heat Stake Insertion, Pad Printing and Product.

Company Profile

Website: http://www.builtrite-reliance.com/

Address: 851 Sterling Road
Lancaster, Massachusetts 01523

Full Time Employees: 100

Year Founded: 1999

President & CEO: Craig Bovaird


Our focus is on critical end-user applications that demand the highest level of quality and performance. These applications are best described as an integration of High Reliability Components that must function for the application to be a success. Examples are: Wearable Electronics, Lab Components for Medical Applications, Assemblies for Drug and Vaccine Discovery, Power Modules for Aircraft and Aerospace Applications or High Strength Structural Composites for the most extreme physical and environmental applications.


We have a very diversified customer base. Our customers are national and international in scope. We have experienced strong growth in the Medical sector and we continue to serve numerous Military/Aerospace and Defense contractors. All of these customers demand the highest level of quality and documentation in our manufacturing plants. We also serve High-Reliability electronics and industrial markets.

Careers/Job Opportunities

We have many technology-driven occupations and have found it necessary to train from within. We have filled positions for quality technicians, quality engineers, mold makers and machinists, mold design engineers, program management, mechanical engineers/plastics engineers, machine operators, maintenance mechanics and many other jobs. We have been successful in recruiting from local universities and vocational technical schools. We also recruit by word of mouth and through the excellent wage and benefits package we offer.

Internship/Apprenticeship Program

We participate in internship programs for local students in high school or college.

Company Benefits

We have an excellent benefits package that includes healthcare coverage, 401K with a 50% company match up to 6%, life insurance and industry-specific educational benefits.

Community Engagement

Our executives serve on university and non-profit institution boards.


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