| ch2m hill constructors, inc. C518-1997 | Foreign Corporation | Active In good standing | Treasurer | 7001 E. Belleview Ave, Suite 1000, Denver CO 80201 | 1997 |
| ch2m hill e&c, inc. C11014-2004 | Foreign Corporation | Active In good standing | Treasurer | 7001 E. Belleview Ave, Suite 1000, Denver CO 80201 | 2004 |
| ch2m hill engineers, inc. E0179382005-7 | Foreign Corporation | Active In good standing | Treasurer | 7001 E. Belleview Ave, Suite 1000, Denver CO 80201 | 2005 |
| ch2m hill, inc. C9181-1993 | Foreign Corporation | Active In good standing | Treasurer | 7001 E. Belleview Ave, Suite 1000, Denver CO 80201 | 1993 |
| code international assurance ltd. C15604-2003 | Domestic Corporation | Active In good standing | Treasurer | c/o Marsh Inc., 7251 W. Lake Mead Blvd., Suite 401, Las Vegas NV 89101 | 2003 |
| halcrow, inc. E0067552006-4 | Foreign Corporation | Active In good standing | Treasurer | 7001 E. Belleview Ave, Suite 1000, Denver CO 80201 | 2006 |
| jacobs engineering group inc. E0105862008-0 | Foreign Corporation | Active In good standing | Treasurer | 1999 Bryan Street, Suite 3500, Dallas TX 75201 | 2008 |
| jacobs government services company C16761-1995 | Foreign Corporation | Active In good standing | Treasurer | 1999 Bryan Street, Suite 3500, Dallas TX 75201 | 1995 |
| leighfisher inc. E0369582010-8 | Foreign Corporation | Active In good standing | Treasurer | 1999 Bryan Street, Suite 3500, Dallas TX 75201 | 2010 |
| operations management international, inc. E0301752011-0 | Foreign Corporation | Active In good standing | Treasurer | 7001 E. Belleview Ave, Suite 1000, Denver CO 80201 | 2011 |