About D.W. Mack Co., Inc.
Over 55 years of precision manufacturing excellence for the aerospace industry.
Mission
Precision. Quality. On Time—No Excuses.
At D.W. Mack Co., Inc., we manufacture custom washers and gaskets that meet our customers’ exact needs from the smallest precision part to mission-critical aerospace applications.
We take ownership of every order, respond with urgency, and deliver on time, every time.
Every part we produce helps keep planes flying, cars driving, and our customers’ projects moving forward.
Vision
To be the first company people think of when they need a custom washer or gasket—known for exceptional quality, dependable delivery, and a team that takes ownership of every customer need.
Certification
Core Values
Ownership Mentality
We take initiative, follow through, and take responsibility.
Improve What You Touch
Always leave processes, workspaces, and tools better than you found them.
Teamwork
Every role matters. We support one another, share knowledge, and deliver quality together.
Clarity is Kindness
We communicate directly and respectfully—problems go up, praise goes out.
Family
We treat our team like family, building long-term relationships based on respect.
At D.W. Mack, every part matters and every person makes a difference.
Partner With Us
Experience the D.W. Mack difference. Quality, reliability, and precision since 1969.
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