Serving Northeast Wisconsin / Located in Green Bay 920-662-9921 Home Mechanical Services Safety About Gallery Contact Professional-Grade Mechanical Contracting Solutions Get in Touch With Us Today at 920-662-9921 Commercial Plumbing At A&J Mechanical Contractors, Inc. we can handle all of your commercial plumbing needs. When it comes to expert plumbing, one call to us will get the job done. Learn More HVAC Contact us today for any of your commercial/industrial HVAC needs. We specialize in bid spec, design-build, remodel and new commercial construction Learn More Process Piping Northeast Wisconsin is home to an incredible amount of industry, and over the years our team has successfully completed many process piping projects large and small. Learn More 920-662-9921 Quick Links Home Mechanical Services Safety About Gallery Contact Visit Us in Green Bay Get Directions Contact Us Address A&J Mechanical Contractors, Inc. 820 Coronis Way Green Bay, WI 54304 Phone 920-662-9921 Fax 920-662-9931 Email ben@ajmci.com clark@ajmci.com Contact Ben Van Oss Clark Wagnitz Privacy Policy | Cookie Policy | Conditions of Use | Notice and Take Down Policy | Website Accessibility Policy © 2021 The content on this website is owned by us and our licensors. Do not copy any content (including images) without our consent.

Serving Northeast Wisconsin / Located in Green Bay 920-662-9921 Home Mechanical Services Safety About Gallery Contact About A&J Mechanical Contractors, Inc Rely on Our Experienced and Dedicated Team Established in 1991, we are a full-service mechanical contractor based in Green Bay, WI. Our local, family-owned and operated company has been under the current owner, Benjamin T. Van Oss, since 2004. We are a commercial contractor capable of handling large to mid-size commercial and industrial projects throughout the state of Wisconsin. Over the years, we've successfully completed projects in various sectors, including commercial, industrial, and institutional. We've worked on hospitals and clinics, schools, paper mills, power plants, office buildings, manufacturing plants, and retail stores, so rest assured that our team has the experience and the know how to complete your project. Give us a call today at 920-662-9921 for more information. Get A FREE Estimate Today We are here to serve any of your mechanical contracting needs! Plumbing HVAC Process piping Fabrication Service Safety 920-662-9921 Quick Links Home Mechanical Services Safety About Gallery Contact Visit Us in Green Bay Get Directions Contact Us Address A&J Mechanical Contractors, Inc. 820 Coronis Way Green Bay, WI 54304 Phone 920-662-9921 Fax 920-662-9931 Email ben@ajmci.com clark@ajmci.com Contact Ben Van Oss Clark Wagnitz Privacy Policy | Cookie Policy | Conditions of Use | Notice and Take Down Policy | Website Accessibility Policy © 2021 The content on this website is owned by us and our licensors. Do not copy any content (including images) without our consent.