Concrete Crusher. Mobile On-Site Concrete Crushing and Screening by Concrete Enterprises, LLC is a Construction and Demolition Waste recycling company. We process the debris resulting from construction, renovation, repair and demolition of commercial buildings, houses, roads, bridges and other structures. This material is usually dumped in.We are happy to announce Komplet America is the distributor for premium portable waste recycling machines and quality material processing equipment. We are excited to bring 20 years of Komplet small mobile crushers, screeners, and shredders to the USA. Finally an affordable, reliable solution for crushing, screening, and shredding!.