NJF Services LLC Concrete & Restoration is a Concrete Contractor located in Brook Park, MN that services all of Brook Park & the surrounding areas. We specialize in Construction and Concrete Flooring Installation. Here at NJF Services LLC Concrete & Restoration, our mission is to always provide quality service at an affordable price. Our contractors are highly trained professionals with years of experience. The success of our company is due to the dedication we provide to our customers. No matter the job, customer satisfaction is always our number one priority! Contact us today for a FREE estimate!