By any comparison, 2012 was a bumper year for new issues on the Thai stock market. Companies and property funds listing on Thailand's bourse raised $1.8bn - the most since 2002.

With stock prices strong, investors can expect a lot more in 2013 - the Stock Exchange of Thailand forecasts that the market capitalisation of new listings will climb from Bt116bn ($4.03bn) in 2012 to Bt120bn ($4.2bn)

The forecast excludes secondary offerings, which totalled Bt263bn ($9.15bn) in 2012.

But if the IPO flow is as strong as predicted, there should be a good flow of secondary offerings too.

BTS Group, the operator of Bangkok's elevated rail service, this month listed Thailand's biggest-ever infrastructure fund, in an IPO that started trading on Friday. The fund was up as much as 22 per cent from its Bt10.8 unit offer price and raised $2.13bn.

Foreign demand for Thai stocks remains high as investors seek opportunities in emerging markets. The central bank is under sustained pressure to ease benchmark interest rates - and domestic demand has been strong, leading Thailand's stock market index to surge 48 per cent in the last 14 months.

So what's in the pipeline?

PTG Energy, the operator of over 570 petrol stations throughout Thailand, originally announced plans for an initial public offering in June 2012. The company aims to raise around Bt400m ($13.9m) as part of a Bt1bn ($35.7m) investment package to be spent over the next two years on expanding its network and fleet of tankers. PTG's filing says that it plans to sell 420m shares at Bt1 ($0.03) each, 91 per cent of which will be made available to the public and the rest reserved for employees.

Amata VN looks set to become the first company listed on the Thai stock exchange with its main operations abroad - a 1,245 hectare plot of land in Vietnam which the company plans to develop as a commercial and industrial project. Amata VN is a unit of the industrial estate developer Amata Corp, which is already listed on the Thai bourse.

Pace Development, a high-end property developer, announced in November last year that it was a planning to offer 600m shares by mid-2013 to raise money for a resort development in Hua Hin, a popular city for luxury tourism southwest of Bangkok, and for a condominium complex in central Bangkok.

Both Bangkok Airways and Nok Air have submitted filings to the stock exchange for planned launches this year, following a successful listing in 2012 by the Thai affiliate of Malaysia's Air Asia. Bangkok Airways is a domestic and regional carrier with some ground operations and plans to list 730m shares - around 40 per cent of its stock, according to local media. Meanwhile Nok Air, a smaller budget airline and operator of 10 aircraft confirmed IPO plans at the beginning of March. The company is currently 49-per-cent -owned by the flag carrier Thai Airways and will list a 30 per cent stake in the third quarter of 2013 to fund growth plans. It has also announced plans to open a further route to Yangon, Myanmar's commercial capital, which is seen by regional airlines as a significant growth opportunity since the country began reforms in 2011.

CIMB Group, announced plans this month for a dual-listing in Thailand and Malaysia, likely to take place in the fourth quarter of 2013. The bank's Thai unit, CIMB Thai Bank, is already listed. It is not yet clear how many shares the company expects to make available, nor how much it expects to raise.

Investors with an eye on Thailand's bourse will clearly have plenty to choose from, with around 30 companies expected to list during the year. Some experts, including the World Bank, have warned of possible overheating, but such concerns do not appear to have deterred investors.

By Jake Maxwell Watts