OSE has the distinction of executing more than three million cubic meters of Bituminous Pavement work; four million cubic meters of Cement Concrete Pavement work; fourteen million cubit meters of Base & Sub Base Courses; one hundred twenty million cubic meters of Earthwork in sub-grade & embankments, and huge quantities of Reinforced Earth Walls on National Highways / Expressways, State Highways, and Airfield Runways, Taxiways, Aprons & Parking bays. In addition, OSE has constructed RCC / PSC bridges, involving well and pile foundations and cross drainage works, in the course of its 45 years of existence, employing the most modern and sophisticated plant and machinery, and the latest technologies. OSE has successfully completed Construction, Strengthening and Resurfacing of runway / taxiway / apron with flexible / rigid pavements at the following airfield to the complete satisfaction of all its customers:
| S.No | Name of the Airfield | S.No | Name of the Airfield |
|---|---|---|---|
| 1 | AGARTALA | 2 | AGATTI |
| 3 | AHMEDABAD | 4 | AURANGABAD |
| 5 | AIZAWL | 6 | AMRITSAR |
| 7 | BHATINDA | 8 | BHUBANESHWAR |
| 9 | BHUJ, GUJARAT | 10 | BIKANER (NAL) |
| 11 | BOMBAY | 12 | CALCUTTA |
| 13 | CALICUT | 14 | CARNICOBAR |
| 15 | COCHIN | 16 | DELHI |
| 17 | DOOM DOOMA | 18 | DIMAPUR |
| 19 | FURSATGANJ | 20 | GAYA |
| 21 | GUWAHATI | 22 | HASHIMARA |
| 23 | IMPHAL | 24 | JAGDALPUR |
| 25 | JAMNAGAR | 26 | JORHAT |
| 27 | KHAJURAHO, M.P. | 28 | KULLU, H.P. |
| 29 | LILABARI, ASSAM | 30 | LENGPUI, MIZORAM |
| 31 | MOHANBARI, ASSAM | 32 | NASHIK, MAHARASHTRA |
| 33 | PATNA | 34 | RANCHI |
| 35 | SILCHAR, ASSAM | 36 | SHIMLA |
| 37 | SURATGAR, RAJASTHAN | 38 | TEZPUR, ASSAM |
| 39 | VARANASI | - | - |
