A.J. Manufacturing has been your partner in innovation for over 50 years. Our dynamic and creative team is dedicated to service and quality. Even though we’ve brought many solutions to the access and post frame markets, we’re not stopping. We’re always striving for a better solution to accommodate your business needs.Located in Bloomer, Wisconsin, AJ Manufacturing has created an environment of Continuous Improvement for employees and managers alike. Each day our performance goals of On-Time Delivery, Quality Goods & Innovative Design are first and foremost in meeting our customers’ needs.  A customer-driven, niche marketer of innovative insulated door products, AJ Manufacturing was formed with a goal of making the company a premier specialty insulated door manufacturer.   While the company, originally founded in the late 1960’s, had always produced high-quality insulated doors and windows, a drive and focus towards new markets and innovations exists today.