301

Heat Treating

ALL METALS PROCESSING
AEROCRAFT HEAT TREATING CO, INS
ALLOY HARD SURFACING INC.
ALFRED HELLER HEAT TREATING
ALUM-A-THERM-PARAMOUNT
AMALAR INC.
ASTRO ALUM TREATING CO., INC.
BARRY AVENUE PLATING CO.
BENNETT HEAT TREATING AND BRAZING CO. INC.
BURBANK STEEL TREATING
BYINGTON STEEL TREATING
BODYCOTE THERMAL PROCESSING-HUNTINGTON PARK
BODYCOTE THERMAL PROCESSING-MELROSE PARK
BODYCOTE HINDERLITER THERMAL PROCESSING
BODYCOTE THERMAL PROCESSING,RANCHO DOMINGUEZ
BODYCOTE THERMAL PROCESSING
CALIFORNIA TECHNICAL PLATING
CONTINENTAL HEAT TREATING
COOK INDUCTION HEATING CO.
COULTER STEEL & FORGE CO.
DIP BRAZE, INC.
DIXON HARD CHROME CO.
DOALL/CONTINENTAL MACHINES, INC.
EDWARDS HEAT TREATING
FINE QUALITY METAL FINISHING INC.
GENERAL HEAT TREATING CO.
HAYES HEAT TREATING
INDUSTRIAL STEEL TREATING CO.
LINDBERG HEAT TREATING
METALLURGICAL PROCESSING
MINALEX CORPORATION
MIL SPEC HEAT TREATING
NU-METAL FINISHING INC.
PACIFIC HEAT TREATING CO.
PACIFIC METALLURGICAL
PHOENIX HEAT TREATING, INC.
SCARROTT METALLURGICAL CO.
SIGMUND COHN CORPORATION
SOMERVILLE PLATING INC.
SUPERIOR PLATING
SPECIFIC PLATING CO., INC.
TEKNA-SEAL, INC.
THERMO-FUSION
VALLEY METALS

302

RELIEVING

COULTER STEEL & FORGE CO.
ALL METALS PROCESSING
ASTRO ALUM TREATING CO., INC.
BARRY AVENUE PLATING CO.
CALIFORNIA TECHNICAL PLATING
EDWARDS HEAT TREATING
EMBEE INC.
LINDBERG HEAT TREATING
METALLURGICAL PROCESSING
THERMO-FUSION
BODYCOTE THERMAL PROCESSING-HUNTINGTON PARK
BODYCOTE THERMAL PROCESSING
BODYCOTE HINDERLITER THERMAL PROCESSING
MIL SPEC HEAT TREATING
AEROCRAFT HEAT TREATING CO.
BODYCOTE THERMAL PROCESSING,RANCHO DOMINGUEZ
LINDBERG HEAT TREATING
HAYES HEAT TREATING
ALFRED HELLER HEAT TREATING
BENNETT HEAT TREATING AND BRAZING CO. INC.
SIGMUND COHN CORPORATION
LINDBERG HEAT TREATING COMPANY
BODYCOTE THERMAL PROCESSING

303

STRESS RELIEVING

ALLOY HARD SURFACING INC.
ALUM-A-THERM-PARAMOUNT
BENNETT HEAT TREATING AND BRAZING CO. INC.
BODYCOTE THERMAL PROCESSING-HUNTINGTON PARK
BODYCOTE THERMAL PROCESSING
BODYCOTE HINDERLITER THERMAL PROCESSING
COOK INDUCTION HEATING CO.
COULTER STEEL & FORGE CO.
PACIFIC HEAT TREATING CO.
PENINSULA SPRING CORP
CALIFORNIA TECHNICAL PLATING
DIXON HARD CHROME CO.
EDWARDS HEAT TREATING
EMBEE INC.
LINDBERG HEAT TREATING
SCARROTT METALLURGICAL CO.
SPECIFIC PLATING CO., INC.
METALLURGICAL PROCESSING
THERMO-FUSION
GENERAL HEAT TREATING CO.
MIL SPEC HEAT TREATING
AEROCRAFT HEAT TREATING CO.
DOALL/CONTINENTAL MACHINES, INC
C & J COATING
BODYCOTE THERMAL PROCESSING,RANCHO DOMINGUEZ
LINDBERG HEAT TREATING
LINDBERG HEAT TREATING
HAYES HEAT TREATING
ALFRED HELLER HEAT TREATING
BENNETT HEAT TREATING AND BRAZING CO. INC.
SIGMUND COHN CORPORATION
BODYCOTE THERMAL PROCESSING

304

CARBURIZING

BYINGTON STEEL TREATING
CONTINENTAL HEAT TREATING
COOK INDUCTION HEATING CO.
EDWARDS HEAT TREATING
INDUSTRIAL STEEL TREATING CO.
LINDBERG HEAT TREATING
METALLURGICAL PROCESSING
THERMO-FUSION
GENERAL HEAT TREATING CO.
BODYCOTE HINDERLITER THERMAL PROCESSING
MIL SPEC HEAT TREATING
DOALL/CONTINENTAL MACHINES, INC
LINDBERG HEAT TREATING
LINDBERG HEAT TREATING
HAYES HEAT TREATING
ALFRED HELLER HEAT TREATING
BENNETT HEAT TREATING AND BRAZING CO. INC.
BODYCOTE THERMAL PROCESSING

305

ANNEALING

BYINGTON STEEL TREATING
COULTER STEEL & FORGE CO. COOK INDUCTION HEATING CO.
EDWARDS HEAT TREATING
PACIFIC HEAT TREATING CO.
MICROGROUP, INC
ALLOY HARD SURFACING INC.
ALUM-A-THERM-PARAMOUNT
ASTRO ALUM TREATING CO., INC.
INDUSTRIAL STEEL TREATING CO.
LINDBERG HEAT TREATING
SCARROTT METALLURGICAL CO.
METALLURGICAL PROCESSING
PHOENIX HEAT TREATING INC
THERMO-FUSION
GENERAL HEAT TREATING CO.
BODYCOTE THERMAL PROCESSING-HUNTINGTON PARK
BODYCOTE THERMAL PROCESSING
BODYCOTE HINDERLITER THERMAL PROCESSING
MIL SPEC HEAT TREATING
BURBANK STEEL TREATING
AEROCRAFT HEAT TREATING CO.
DOALL/CONTINENTAL MACHINES, INC
BODYCOTE THERMAL PROCESSING,RANCHO DOMINGUEZ
LINDBERG HEAT TREATING
HAYES HEAT TREATING
ALFRED HELLER HEAT TREATING
BENNETT HEAT TREATING AND BRAZING CO. INC.
SIGMUND COHN CORPORATION
BODYCOTE THERMAL PROCESSING

306

DE-MAGNETIZING

ALL METALS PROCESSING
LINDBERG HEAT TREATING
METALLURGICAL PROCESSING
BODYCOTE HINDERLITER THERMAL PROCESSING
BODYCOTE THERMAL PROCESSING,RANCHO DOMINGUEZ
LINDBERG HEAT TREATING
ALFRED HELLER HEAT TREATING
BENNETT HEAT TREATING AND BRAZING CO. INC.
SIGMUND COHN CORPORATION
LINDBERG HEAT TREATING CO.
 

307 

AGE HARDENING

BYINGTON STEEL TREATING
COULTER STEEL & FORGE CO.
EDWARDS HEAT TREATING
PACIFIC HEAT TREATING CO.
ALUM-A-THERM-PARAMOUNT
ASTRO ALUM TREATING CO., INC.
LINDBERG HEAT TREATING
SCARROTT METALLURGICAL CO.
METALLURGICAL PROCESSING
PHOENIX HEAT TREATING INC
THERMO-FUSION
BODYCOTE THERMAL PROCESSING
BODYCOTE HINDERLITER THERMAL PROCESSING
MIL SPEC HEAT TREATING
AEROCRAFT HEAT TREATING CO, INS
BODYCOTE THERMAL PROCESSING,RANCHO DOMINGUEZ
LINDBERG HEAT TREATING
LINDBERG HEAT TREATING
HAYES HEAT TREATING
ALFRED HELLER HEAT TREATING
BENNETT HEAT TREATING AND BRAZING CO. INC.
BENNETT HEAT TREATING AND BRAZING CO. INC.
SIGMUND COHN CORPORATION
BODYCOTE THERMAL PROCESSING

308

BRIGHT ANNEALING

ALFRED HELLER HEAT TREATING
BYINGTON STEEL TREATING
BODYCOTE THERMAL PROCESSING-HUNTINGTON PARK
BODYCOTE THERMAL PROCESSING
BODYCOTE THERMAL PROCESSING,RANCHO DOMINGUEZ
EDWARDS HEAT TREATING
GENERAL HEAT TREATING CO.
HAYES HEAT TREATING
LINDBERG HEAT TREATING
LINDBERG HEAT TREATING COMPANY
MIL SPEC HEAT TREATING
PACIFIC HEAT TREATING CO.
PHOENIX HEAT TREATING, INC.
THERMO-FUSION

309

VACUUM HEAT TREATING

THERMO-FUSION
BODYCOTE THERMAL PROCESSING-HUNTINGTON PARK
BODYCOTE THERMAL PROCESSING
CONTINENTAL HEAT TREATING
MIL SPEC HEAT TREATING
BODYCOTE THERMAL PROCESSING-RANCHO DOMINGUEZ
HAYES HEAT TREATING
ALFRED HELLER HEAT TREATING
BENNETT HEAT TREATING AND BRAZING CO.

310

BRIGHT HARDENING

EDWARDS HEAT TREATING
PHOENIX HEAT TREATING INC