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The top 200 tech exporters, known as the TIN200, added $1billion in revenues this past year, increasing export receipts by $882million.
Total expenditure on research and development also exceeded $1 billion.
The latest report by Technology Investment Network (TIN) showed that the regional growth superstars were Wellington, which pushed revenues by 17.5% to $2.6 billion, Otago-Southland, which added 16.2% to a total of $469 million, and North Auckland, which posted a 15.2% increase to $1.3 billion.
As the smallest of the tech regions, Otago-Southland also boasted the highest five-year compound annual growth, at more than 20%.
Its nine TIN200 companies added 121 jobs to their payrolls over the past year.
Otago's growth was led by its high-tech manufacturing sector as robotics manufacturer Scott Technology, life science research and education company ADInstruments and fireplace manufacturer Escea accounted for more than half of the region's TIN200 revenue returns.
Dunedin-based online education company Education Perfect merited a mention, featuring in third place in TIN's "scale-ups'' for 2019, on the back of a reported $6.6 million improvement to revenues of $20.8 million.
TIN managing director Greg Shanahan said the numbers sent a strong message that the sector had the potential to become the country's "leading source of offshore income''.
"We're very excited to see the potential that this long-term sustainable growth presents.''
He said another important indicator was growth of the TIN Rising Star category - companies that qualify on the basis of a minimum of 20% growth over three years - to 29 companies.
These were dominated by the information and communication technology (ICT) primary sector, he said.
New Zealand Trade & Enterprise customer director Charles Haddrell said New Zealand companies were better prepared when going global, researching and understanding the market dynamics and developing more robust and powerful market-entry and market-penetration strategies.
"It's also encouraging to see the pool of strategic leaders with the technology industry grow as more NZ tech companies mature.''
He said of particular note was the 18.5% annual growth of tech exports to Europe, which now total more than $228 million.
Globally, North America delivered growth of just under 10%, with overall sales at $2.7 billion.
According to the TIN report, larger companies such as Fisher & Paykel Healthcare and Pushpay continued to report good growth in that market, while biotech grew by 15.5%.
The Australian market, meanwhile, delivered the largest dollar revenue increase of any country, at $276 million, and was also the New Zealand tech sector's largest export market at 36% of exports.
The Asian market, for its part, provided revenue growth of 11%, despite the slowing Chinese markets in the wake of trade tensions with the United States.
The report says high-tech manufacturers are the biggest players in this market, accounting for more than 80% of total Asian sales.
More than half of the 52,000 employees work in New Zealand.
The TIN200 salary bill is $4 billion, at an average of more than $82,000.