
Aker Engineering & Technology AS

Dongbu Engineering Co., Ltd.Seoul-t'ukpyolsi, South Korea

Beijing Century Benefits Co. Ltd.

IDEAM SA

Katsumura Construction Co., Ltd.

R.J. Mears LLC

Slingco Ltd.Lancashire, United Kingdom

Beijing GeoEnviron Engineering & Technology, Inc.

Care Con Co. Ltd.

The Naeun Structural Engineering Co., Ltd.

Canam Group, Inc.Quebec, Canada

Whittaker Engineering (Stonehaven) Ltd.Aberdeenshire, United Kingdom