SOWiL Limited has successfully provided Project Management Consultancy Services for the Design and Construction Supervision of the prestigious 6 lane divided carriageway Mumbai Pune Expressway- Section-D and is presently providing Consultancy Services to the NHAI for Construction Supervision of four-laning and strengthening of the existing stretches from Krishnagiri to Ranipet (km 1.4 to km 144.20 of NH 46, Easterly Bypass 2.275 km on NH-7 and Walajhpet Bypass of 7.5 km) on NH-46 in the State of Tamil Nadu, Total Length 152.575km and Independent Engineer for 4-laning and strengthening of the existing 2-lane Belgaum to Maharashtra Border   road from km 515 to 592, a 77 km section of NH-4 in the State of Karnataka.  In addition, it is undertaking the preparation of Feasibility Studies and Detailed Project Reports for major highway assignments of Rehabilitation and Upgrading of existing 2-lane National Highway to 4/6-laning of 106 km long section of NH-26 from Lalitpur to Sagar from km 92 to km 198 (Asian Development Bank funded), Simrahi to Jhanjarpur Section (excluding Kosi Bridge and approaches) of NH-57, km 190.0 to km 165.0 and km 155.0 to km 110.0 and Kerala Border to Trishur, NH-47, km 182.00 to km 270.00 for the National Highways Authority of India (NHAI) and development of Dual three lane carriageway (with service roads) Outer Ring Road in Chennai Metropolitan Area for Tamil Nadu Road Development Company.

Some of the major highways projects completed/ in-hand are: