Numerical Controls

Established by Don Bettinardi in 1978, Donson Machine is a specialized contract manufacturer of precision machined parts with core competencies in computerized numerically controlled milling and computerized numerically controlled turning with a complete research and development shop for small lot quantities. The business is geared to supply quick-turn prototyping, short-run machining and specialty machined part production. The markets the company serves include medical and dental, orthopedic, food processing, industrial automation and semiconductor. Donson Machine is an ISO 9001:2000 registered company with more than 100 employees headquartered in Alsip, Ill.

Dart Casting is a family owned business servicing the needs of various industries in aluminum and zinc die-casting. Dart Casting operates out of a newly renovated 40, 000 square foot facility in Alsip Illinois, utilizing the finest equipment available. Our mission is to provide our customers with world class die castings offering the greatest value with the highest degree of customer satisfaction.