STORM BEACON

Computer and Scientific

Owner

SURFACE SYSTEMS, INC.

TERRA-Q

Electrical and Scientific Apparatus

Owner

SURFACE SYSTEMS, INC.

ROADWEATHER

Transportation and storage

Owner

SURFACE SYSTEMS, INC.

Sep 4, 2001
OMNIVISION

Electrical and Scientific Apparatus

Owner

SURFACE SYSTEMS, INC.

WEATHERBRIDGE

Transportation and storage

Owner

SURFACE SYSTEMS, INC.

May 22, 2001
TRAVELCAST

Electrical and Scientific Apparatus and 2 other

Owner

SURFACE SYSTEMS, INC.

ROADSCAN

Computer and Scientific

Owner

SURFACE SYSTEMS, INC.

Jun 1, 1993
SCAN*PLUS

Electrical and Scientific Apparatus

Owner

SURFACE SYSTEMS, INC.

Mar 24, 1992
SCAN

Electrical and Scientific Apparatus

Owner

SURFACE SYSTEMS, INC.

Sep 26, 1978