
Per Aarsleff Holding A/SMidtjylland, Denmark

JCHX Mining Management Co., Ltd.Beijing, China

Delta Process Engineering ApS

Sumitomo Light Metal Industries Ltd.

CAMUS ENGINEERING & CONSTRUCTION, Inc.GY, KR

Cabletron Systems, Inc. /US/

Calder Ltd.

Seokwang Construction Co., Ltd.

Montana Tech of the University of Montana

Dongil Engineering Co. Ltd.

RJM Corporation (EC) Ltd.

SC SolutionsCalifornia, United States