| wsp usa administration inc. E0147272012-5 | Foreign Corporation | Active In good standing | Director | One Penn Plaza 4th Floor, New York NY 10001 | 2012 |
| wsp usa buildings inc. E0562252012-6 | Foreign Corporation | Active In good standing | Director, Treasurer | One Penn Plaza 4th Floor, New York NY 10001 | 2012 |
| wsp usa inc. C4176-1991 | Foreign Corporation | Active In good standing | Treasurer | 4th Floor One Penn Plaza, New York NY 10001 | 1991 |
| wsp usa services inc. C21161-1998 | Foreign Corporation | Active In good standing | Director, Treasurer | 13530 Dulles Technology Drive, Suite 300, Herndon VA 20170 | 1998 |
| earth consulting group, inc. E0220492008-5 | Domestic Corporation | Merge Dissolved Not in good standing | Director, Treasurer | ONE PENN PLAZA, 2ND FLOOR, 250 W 34TH STREET, New York NY 10001 | 2008 |
| earthcon consultants ca, inc. C11633-2002 | Domestic Corporation | Merge Dissolved Not in good standing | Director, Treasurer | 1 PENN PLAZA, 2ND FLOOR, 250 W 34TH STREET, New York NY 10001 | 2002 |
| englekirk institutional, inc. E0636862010-6 | Domestic Corporation | Merge Dissolved Not in good standing | Other | 1100 Town and Country Road, Suite 200, Orange CA 92856 | 2010 |
| englekirk structural engineers, inc. E0059002011-6 | Domestic Corporation | Merge Dissolved Not in good standing | Treasurer | 1100 Town and Country Road Suite 20, Orange CA 92856 | 2011 |
| petra analytics llc E0188852015-7 | Domestic Limited-Liability Company | Merge Dissolved Not in good standing | Other | ONE PENN PLAZA, 2ND FLOOR, 250 W 34TH STREET, New York NY 10001 | 2015 |
| power engineers, incorporated C7104-1981 | Foreign Corporation | Merge Dissolved Not in good standing | Director | 15231 Laguna Canyon Road, Irvine CA 92602 | 1981 |
| tk1sc E11475632021-7 | Foreign Corporation | Merge Dissolved Not in good standing | Director, Treasurer | 15231 LAGUNA CANYON ROAD, Irvine CA 92602 | 2021 |
| wsp usa environment & infrastructure inc. C8316-1994 | Domestic Corporation | Merge Dissolved Not in good standing | Director, Treasurer | 1075 Big Shanty Road NW, Suite # 100, Kennesaw GA 30144 | 1994 |