Our History

1889

James Thompson sets up a building and carpentry business in Durban.

1908

James Thompson becomes mayor of Johannesburg - Thompson is the largest building contractor in town.

1911

Ole Grinaker, a young engineer from Norway comes to South Africa.

1930

James Thompson's sons, James Jr. and Mark join the business.Thompson has established branches in all the major cities in SA.

1934

James Jr. takes over - the first major projects is Anglo American's headquarters at 44 Main Street,Johannesburg

1934

Ole Grinaker starts his own steel reinforcing and fixing business leads to the formation of O. Grinaker (Pty) Ltd in the Transvaal.

1951

James Thompson Ltd became a public company listed on the JSE. Anglo American takes a modest shareholding.

1962

Thompson forms a roads and earthworks company and expands the business into Africa.

1964

Grinaker is listed on the JSE as Grinaker Holdings.

1965

Thompson merges with Lewis Construction, Steeledale Reinforcing & Amalgamated Construction. LTA is formed and listed on the JSE.

1978

LTA forms MITEC - Grinaker acquires Racal Electronics and the company is split into Grinaker Construction and Grinaker Electronics.

1980's

LTA acquires JC Groenewalds Elec Contractors and forms Karrena Africa. Grinaker acquires Dura Construction. AMIC acquires a 68% stake in LTA. Anglovaal acquires a controlling interest in Grinaker via AVI.

1990's

LTA acquires Fraser & Chalmers Mechanical & Piping. Grinaker divides its construction and electronics businesses, listing them separately on the JSE.

Late 1990's

LTA acquires DSE and Aveng takes out Grinaker's majority shareholders. Grinaker is delisted from the JSE.

2000

Anglo American sells its interest in LTA to Aveng.

2000

Aveng Grinaker-LTA Limited is established.

2019

Aveng Grinaker- LTA Limited sold to Laula Consortium.