Lock Boxes | Combination Lock Boxes | Key Safe Boxes | Real Estate Supplies | Roper Lock Box, LLC - Hudson, OH lock boxes, key safe, realtor lock box, combination lock boxes, deadbolts, dead bolts, entry locks, combination padlocks, key storage, entrance locks, keyed alike lock sets, realtor lock boxes, real estate supplies Roper Lock Box has been manufacturing lock boxes and supplying products to the real estate industry for over 35 years. Our products are used by real estate agents & boards, REO field services contractors, property managers, home owners and other professionals in a wide range of applications. We carry a full line of lock boxes, entry locks, dead bolts and real estate supplies.