Birr & Associates

We are a locally owned stocking distributor for Industrial components serving Western Michigan for over 30 years. We are a wholesale supplier of belts, bearings, chains, couplings, sprockets and pulleys. Northwestern Mill Supply is our retail & repair division offering residential and commercial compressors, hydraulic, and pneumatic tools for sale. We also provide quality parts and repair. Locally, we provide priority services to get your necessary service & repairs in a timely manner. Call us for more information.

Eagle Aluminum Cast Products, located in Muskegon, MI, specializes in casting high-quality aluminum alloys through the greensand casting process, leveraging decades of expertise in pattern making, casting, and finishing. The company is certified to ISO 9001:2015 standards and combines traditional methods with Lean manufacturing to ensure competitive pricing and excellent lead times. By utilizing hand ladles and gravity to feed aluminum into molds, Eagle Aluminum provides versatile solutions for various industries, whether addressing reduced volume needs or developing new parts. Their commitment to reducing non-productive steps through working cells further enhances their efficiency and product quality. Generated from the website