OYO Geospace (Corporate Office) 7007 Pinemont Drive Houston, TX 77040 713-986-4444 info@oyogeospace.com www.oyogeospace.com		Geospace Engineering Resource 7007 Pinemont Drive Houston, TX 77040 713-986-4444
Geospace, LP 7007 Pinemont Drive Houston, TX 77040 713-986-4444 sales@geospacelp.com www.geospacelp.com		2735 - 37 Ave., N.E. Calgary, Alberta Canada T1Y 5R8 403-250-9600 403-250-9643 Fax www.oyogscanada.com info@oyogscanada.com
7007 Pinemont Drive Houston, TX 77040 713-986-4444 info@concordtech.com www.concordtech.com		OYO Instruments, Europe F3 Bramingham Business Park Enterprise Way, Luton Bedfordshire LU3 4BU England 011-44-1-582-573980 011-44-1-582-574945 fax sales@oyo.co.uk