GUARANTEED LEAK DETECTION

Computer and Scientific

Owner

AMERICAN EFFICIENCY SERVICES, LLC

—
AES THE EFFICIENCY EXPERTS

Computer and Scientific

Owner

AMERICAN EFFICIENCY SERVICES, LLC

—
ACC-U-CLEAN

Machinery

Owner

AMERICAN EFFICIENCY SERVICES, LLC

May 30, 2000
S-FLEX

Nonmetallic Building Materials

Owner

AMERICAN EFFICIENCY SERVICES, LLC

Apr 13, 1999
CRADLE-LOCK

Metal Goods

Owner

AMERICAN EFFICIENCY SERVICES, LLC

Jan 22, 1991