The United Republic of Tanzania
CONTRACTORS REGISTRATION BOARD
ISO 9001:2015 CERTIFIED
Registration Number: E6/295/02/2026
Managing Director: COSMAS KALLANGA
Type Of Contractor: ELECTRICAL
Class: 6
Category: Local
Physical Address: PLOT NO. 559 BLOCK 47
Postal Address: P.O BOX 60765
Town: DAR ES SALAAM
Email: cornerstonedgltd@gmail.com