Omega Tool Corp

Employee size

2-10

Headquarters

Leavittsburg, OH

Founded in 1981 around large injection molds, Omega Tool Corp. engineers and manufactures precision plastic injection molds and supports them through machining, validation and production molding. From its Ontario base, the company operates three Ontario facilities and one in Mexico, employing several hundred team members and serving mobility, appliance and construction customers. Omega was named a new winner of Canada’s Best Managed Companies in 2024.

• Mold-A-Matic Corp. (MAMCO Precision Molding)Mold-A-Matic Corp., known as MAMCO Precision Molding, has been making precision plastic components since 1964. From its more than 40,000-square-foot Oneonta facility, the company supports customers whose products demand careful engineering and dependable production, including medical and aerospace manufacturers.ONEONTA, NY
• Eagle Mold Co., IncFounded by Wilbur Wisecup in his home garage in 1984, family-owned Eagle Mold Co., Inc. designs and builds precision plastic injection molds and supplies close-tolerance machining and EDM work from Carlisle, Ohio. The company has grown into two facilities totaling 58,500 square feet while continuing to serve demanding automotive, aerospace, and medical applications nationwide. Eagle Mold has maintained ISO 9001:2015 certification and has supplied tooling for 40 years.CARLISLE, OH
• OP
  Ontario Plastics of NY, IncFounded in Rochester in 1945 with a first molding job making clothespins, Ontario Plastics of NY is a custom plastic injection molder serving customers in fields ranging from medical products to aerospace and defense. The company grew through three generations of Hayes family ownership before transitioning to a fourth-generation owner in 2024, and it remains known for combining in-house engineering, tooling, and production support with a practical “save the day” approach to customer needs. Ontario Plastics has held ISO 9001 certification since 2001 and was recertified to ISO 9001:2015 in 2016.ROCHESTER, NY
• Alpha Tool & MoldSince 1978, Cleveland-based Alpha Tool & Mold has built precision plastic molds, die-cast dies, and related tooling for demanding industrial work. The company also runs its own molding area for sampling and production, supporting customers from prototype and design through mold repair and revision. With more than 30 years as a fixture of Northeast Ohio, Alpha operates with 20 employees in a two-shift, 10,500-square-foot facility and holds AS9100D and ISO 9001 certification.CLEVELAND, OH