​

​

​

Consolidated Subsidiaries

​

Where Organized

Braden Holdings, LLC

​

Delaware

Global Power Professional Services Inc.

Delaware

​

​

GPEG, LLC

Delaware

Steam Enterprises, L.L.C.

Delaware

​

​

Williams Industrial Services Group, L.L.C.

Delaware

​

​

Construction & Maintenance Professionals, LLC

Georgia

​

​

Williams Global Services, Inc.

Georgia

​

​

Williams Industrial Services, LLC

Georgia

​

​

Williams Plant Services, LLC

Georgia

​

​

Williams Specialty Services, LLC

Georgia

​

​

Braden Manufacturing SA de CV

Mexico

​

​

WISG Canada Ltd.

​

Canada

​

​

WISG Nuclear Ltd.

​

Canada

​

​

WISG Electrical Ltd.

​

Canada