H THE 3RD CONCRETE WORKS CORPORATION

Engineering Works & Allied Services(contractor)

PUROK MALIPAYON, BARANGAY SAN ISIDRO General Santos South Cotabato

HYM SPEED BUILDERS

Engineering Works & Allied Services(contractor)

BOMBILL STREET, BARANGAY LABANGAL General Santos South Cotabato

RYTMAN BUILDERS

Engineering Works (contractor)

LOT 59, PUROK SAN JOSE, UPPER BALUAN, BARANGAY BALUAN General Santos South Cotabato

ESD CONSTRUCTION

Engineering Works (contractor)

15 SAN PEDRO ST. CORNER 3RD AVENUE, BARANGAY LAGAO General Santos South Cotabato

MEODE ALLIED INDUSTRY

Fabrication & Engineering Works (contractor)

NATIONAL HIGHWAY, BARANGAY APOPONG General Santos South Cotabato

FILMIX CONCRETE INDUSTRIES, INC.

Fabrication & Engineering Works (contractor)

ESPINA, BARANGAY LABANGAL General Santos South Cotabato

JHEM'V STEEL FABRICATION

Fabrication & Engineering Works (contractor)

RIZAL AVENUE, BARANGAY CALUMPANG General Santos South Cotabato

RC LOZADA CONSTRUCTION AND SAND AND GRAVEL

General Engineering (contractor)

JOHNNY ANG SUBD., PUROK 16, BARANGAY LAGAO General Santos South Cotabato

RD PILIPINAS CONSTRUCTION CORPORATION

General Engineering (contractor)

SANTIAGO BOULEVARD, BARANGAY BULA General Santos South Cotabato

A.J.P.M. CONSTRUCTION SERVICES

General Engineering (contractor)

ZONE 2-A, BARANGAY BULA General Santos South Cotabato