DAS International Pty Ltd

PO BOX 22 Albion Australia QLD 4010
P: +61 4 1872 6290

149 Geylong Road #03-02 Singapore
P:+65 6 846 7680

Email: warren@dasint.net

Noise Measurement Services Pty Ltd

Suite 2 90 Vulture Street
West End QLD 4101

P: +61 (7) 3217 2850
F: +61 (7) 3217 2799

Email: bob@noisemeasurement.com.au

Scientific Acoustics

10 Harth Street Toowoomba 4350
PO Box 1981 Toowoomba 4350

P: +61 (4) 0934 4683
F: +61 (7) 4634 4771

Email: info@scientific-acoustics.com.au

Chutima Rerkshanan Palmer International Co., Ltd.

2991/59-60 Ladphrao Rd, Klongjan
Bangkapi, Bangkok 10240 Thailand.

P: +66 (2) 733 9031-2
F: +66 (2) 370 1440
M: +66 (8) 1754 4303

Email: bob@noisemeasurement.com.au