Advertising and Business and 3 others

Owner

HYDROCARBON RESEARCH, INC.

—
HRI

Advertising and Business and 3 others

Owner

HYDROCARBON RESEARCH, INC.

Jul 27, 1982
COIL

Advertising and Business

Owner

HYDROCARBON RESEARCH, INC.

—
LIGNOL

Computer and Scientific

Owner

HYDROCARBON RESEARCH, INC.

—
DYNAPHEN

Computer and Scientific

Owner

HYDROCARBON RESEARCH, INC.

—
DYNACRACKING

Building Construction and Repair and 2 other

Owner

HYDROCARBON RESEARCH, INC.

Jul 14, 1981
HRI

Advertising and Business and 2 other

Owner

HYDROCARBON RESEARCH, INC.

Sep 14, 1976
H-OIL

Computer and Scientific and 2 other

Owner

HYDROCARBON RESEARCH, INC.

Dec 24, 1974
H-IRON

Computer and Scientific

Owner

HYDROCARBON RESEARCH, INC.

Oct 1, 1963