IWELLSCADA

Education and Entertainment and 2 other

Owner

LUFKIN INDUSTRIES, INC.

—
IWELL MANAGER

Education and Entertainment and 2 other

Owner

LUFKIN INDUSTRIES, INC.

—
IWELLSCADA

Education and Entertainment and 2 other

Owner

LUFKIN INDUSTRIES, INC.

—
IWELL MANAGER

Education and Entertainment and 2 other

Owner

LUFKIN INDUSTRIES, INC.

—
INTELLIGENT WELL MANAGER

Education and Entertainment and 2 other

Owner

LUFKIN INDUSTRIES, INC.

—
SAM

Electrical and Scientific Apparatus

Owner

LUFKIN INDUSTRIES, INC.

Nov 23, 2004
RMT

Machinery and 3 others

Owner

LUFKIN INDUSTRIES, INC.

May 18, 2004
100 LUFKIN ONE HUNDRED YEARS

Machinery and 2 other

Owner

LUFKIN INDUSTRIES, INC.

—
DELTA-X

Machinery and 2 other

Owner

LUFKIN INDUSTRIES, INC

Apr 2, 2002
AX DELTA-X CORPORATION

Electrical and Scientific Apparatus

Owner

LUFKIN INDUSTRIES, INC.

Sep 11, 2001
AMERICAN INTERNATIONAL

Machinery

Owner

LUFKIN INDUSTRIES, INC.

Oct 29, 2002
AMERICAN

Machinery

Owner

LUFKIN INDUSTRIES, INC.

Jan 17, 1995
TORQMASTER

Machinery

Owner

LUFKIN INDUSTRIES, INC.

May 5, 1992
LUFKIN

Vehicles

Owner

LUFKIN INDUSTRIES, INC.

Sep 17, 1991
LUFKIN

Vehicles

Owner

LUFKIN INDUSTRIES, INC.

Dec 6, 1983
LUFKIN

Yarns and Threads

Owner

LUFKIN INDUSTRIES, INC.

Aug 8, 1972