O'connor/Mci Associates #1, Llc
O'connor/Mci Associates #2, Llc
Octagon, Inc. (district Of Columbia)
Oldcastle Apg Northeast, Inc
Omni-Cube, L.L.C
Omnisec International
Openware, Inc
Orion Lift Service, Inc. (withdrew 8/10/90)
Ors Associates, Inc