The location at Building 4949, Sand Mine Rd Road, Davenport City is a reliable supplier of construction aggregate materials. With a long history of over 60 years, E.R. Jahna Industries has established itself as a trustworthy business in the area. The clients often praise the staff's friendliness, efficiency, and safety protocols.The place is wheelchair accessible, and the working hours are somewhat limited, but they manage to handle a high volume of trucks during the available time.Some clients have experienced long waits, especially in the mornings, but overall, the loading process is smooth and quick. The staff operates in compliance with DOT regulations.However, a few clients have mentioned that the system for measuring and recording the loads is not reliable, which might lead to issues. The prices might seem a bit higher than in other places, but the quality of the materials and the service justifies the cost.A few clients have also experienced issues with truck traffic and slow drivers, but these seem to be rare occurrences.Overall, Jahna Industries is a great place for those who need to load materials quickly and efficiently. With a bit of planning and patience, clients can have a smooth and pleasant experience.