Since 1943 Oak Ridge National Laboratory has been operated by several different government contractors under several different names. The table below summarizes the historical operators and names of ORNL.
Date
|
Contractor |
Laboratory Name |
1/1943 - 6/30/1945
|
E. I. DuPont de Nemours
for The University of Chicago |
Clinton Laboratories |
7/1945 - 12/1946
|
Monsanto Chemical
Company |
Clinton Laboratories |
1/1/1947 - 2/28/1948
|
Atomic Energy Commission |
Clinton Laboratories |
3/4/1948
|
Carbide & Carbon Chemicals
Company, Union Carbide Corporation |
Oak Ridge National
Laboratory |
1950
|
Carbide & Carbon Chemical
Division, UCC |
Oak Ridge National
Laboratory |
1956
|
Union Carbide Nuclear
Corporation, Division of UCC |
Oak Ridge National
Laboratory |
1964 - 1974
|
Union Carbide Nuclear
Corporation, Nuclear Division |
Oak Ridge National
Laboratory |
1975
|
Union Carbide Corporation,
Nuclear Division |
Holifield National
Laboratory |
1976 - 3/31/1984
|
Union Carbide Corporation,
Nuclear Division |
Oak Ridge National
Laboratory |
4/1/1984 - 3/31/1995
|
Martin Marietta Energy
Systems, Inc. |
Oak Ridge National
Laboratory |
4/1/1995-12/31/1995
|
Lockheed Martin Energy
Systems, Inc. |
Oak Ridge National
Laboratory |
1/1/1996 - 3/31/2000
|
Lockheed Martin Energy
Research, Inc. |
Oak Ridge National
Laboratory |
4/1/2000 - Present
|
UT-Battelle |
Oak Ridge National
Laboratory |