Listed companies with operations or assets in Canterbury escaped relatively unscathed when Saturday's earthquake toppled buildings and damaged infrastructure across the region.
Kiwi Income Property Trust says its two Christchurch properties, the Northlands Shopping Centre and the PricewaterhouseCooper Centre, suffered only minor damage.
Chief executive Chris Gudgeon says only six of the 135 retailers at the shopping mall have been unable to trade on Monday.
However, Hoyts Cinema sufffered damage to its projector equipment and screens and will be closed until further notice.
Pyne Gould Corporation's head office in Christchurch is open after being excluded from the cordon still in place in the city centre.
Chief executive Jeff Greenslade says the company employs 65 personnel there, who mostly work for its subsidiaries Perpetual and Marac.
Listed food company Goodman Field says its Champion flour mill has been partially damaged, as equipment shifted during the quake.
The mill will be closed for the next few days, but its Meadow Fresh milk plant and Quality Bakers factory in Christchurch are unaffected.
And The Warehouse says its eight stores, its South Island distribution centre and four Warehouse Stationery stores in Christchurch are all open again on Monday.
They were shut over the weekend while engineers assessed the buildings.