Mainzeal Corporation Ltd
Also known as:
- Mainline Contractors Pty Ltd.
2 Artworks
Originally called Mainline Contractors Pty Ltd, Mainzeal operated in New Zealand from 1968. As Mainzeal Property and Construction Ltd the company was one of the leading New Zealand property and construction companies when it was placed into receivership and then liquidated in early 2013.
In 1969, while called Mainline Contractors Pty Ltd, the firm assisted with funding, construction and installation of Guy Ngan successful competition entry for a sculpture in Civic Square. The piece, 'Geometric Progression' was commissioned by Wellington City Council and installed in 1974, at the intersection of Victoria and Mercer Streets in the Wellington CBD.

Guy Ngan, 'Geometric Progression' (1974), CBD, Te Whanganui-a-Tara Wellington
Source: Guy Ngan 1974.
- Associated Artworks