| A Research and Development |
B Special Studies and Analyses |
C Architect and Engineering |
D Automatic Data Processing |
E Purchase of Structures and Facilities |
F Natural Resources and Conservation Services |
G Social Services |
H Quality Control, Testing, and inspection Services |
| J Maintenance, Repair and Rebuilding of Equipment |
K Modification of Equipment |
L Technical Representative |
M Operation of Government Owned Facility |
N Installation of Equipment |
P Salvage Services |
Q Medical Services |
R Professional, Administrative and Management Support Services |
| S Utilities and Housekeeping |
T Photographic, Mapping, Printing, and Publications Services |
U Education and Training Services |
V Transportation, Travel and Relocation Services |
W Lease or Rental of Equipment |
X Lease or Rental of Facilities |
Y Construction of Structure and Facilities |
Z Maintenance, Repair or Alteration of Real Property |