Delaware

KAUFFMAN AND ASSOCIATES, INC

Washington Since:

1990

KAUFFMAN AND ASSOCIATES, INC

J & K CONNECTORS LLLP

Washington Since:

1969

J & K CONNECTORS LLLP

HEALIONICS CORPORATION

Washington Since:

2007

HEALIONICS CORPORATION

HARRINGTON INDUSTRIAL PLASTICS LLC

Washington Since:

1962

HARRINGTON INDUSTRIAL PLASTICS LLC

Washington Since:

1996

LOOPS, LLC

FIRSTCHOICE GROUP AMERICA LLC

Washington Since:

2009

FIRSTCHOICE GROUP AMERICA LLC

Washington Since:

2011

ESPARK, INC.

Washington Since:

2014

ECHODYNE CORP

ELLIOTT BAY DESIGN GROUP LLC

Washington Since:

2007

ELLIOTT BAY DESIGN GROUP LLC

DOMAINTOOLS LLC

Washington Since:

2009

DOMAINTOOLS LLC

CUB CRAFTERS, INC.

Washington Since:

1986

CUB CRAFTERS, INC.

CORESTACK, INC.

Washington Since:

2016

CORESTACK, INC.

COLUMBIA ENERGY & ENVIRONMENTAL SERVICES, INC.

Washington Since:

1989

COLUMBIA ENERGY & ENVIRONMENTAL SERVICES, INC.

CASCADE HEALTHCARE SERVICES LLC

Washington Since:

2014

CASCADE HEALTHCARE SERVICES LLC

CASCADE DRILLING, L.P.

Washington Since:

2009

CASCADE DRILLING, L.P.