CHALLENGE SYSTEMS, INC

HOME DEVELOPMENT MUTUAL FUND - CORPORATE HEADQUARTERS (2); PHILIPPINE RECLAMATION AUTHORITY (2); COMMISSION ON AUDIT - MAIN (2); WEST VISAYAS STATE UNIVERSITY (2); NATIONAL MEAT INSPECTION SERVICE (2); NATIONAL IRRIGATION ADMINISTRATION - REGION I (2); DAVAO CITY WATER DISTRICT (2); SENATE OF THE PHILIPPINES (2); BASES CONVERSION AND DEVELOPMENT AUTHORITY - MAIN (2); NATIONAL PARKS DEVELOPMENT COMMITTEE (2); PHILIPPINE INSTITUTE OF VOLCANOLOGY AND SEISMOLOGY (1); PHILIPPINE NATIONAL VOLUNTEER SERVICE COORDINATING AGENCY (1); SULTAN KUDARAT WATER DISTRICT (1); DUTY FREE PHILIPPINES CORPORATION (1); HOME DEVELOPMENT MUTUAL FUND - REGION VII (1); DEPARTMENT OF ENERGY - MAIN (1); BATANGAS MEDICAL CENTER (1); PROCUREMENT SERVICE (1); NATIONAL PRIVACY COMMISSION (1); BUREAU OF LOCAL GOVERNMENT FINANCE (1); NATIONAL ECONOMIC AND DEVELOPMENT AUTHORITY - REGION I (1); NATIONAL IRRIGATION ADMINISTRATION - CAR (1); NATIONAL IRRIGATION ADMINISTRATION - PALAWAN (1); CAMARINES SUR POLYTECHNIC COLLEGES - NABUA CAMPUS (1); PHILIPPINE TAX ACADEMY - MANILA METRO MANILA (1); COMMISSION ON FILIPINOS OVERSEAS (1); NATIONAL IRRIGATION ADMINISTRATION - CENTRAL OFFICE (1); NATIONAL KIDNEY AND TRANSPLANT INSTITUTE (1); NATIONAL TRANSMISSION CORPORATION(TRANSCO) (1); DEPARTMENT OF TRANSPORTATION (DOTR) MAIN (1); COMMISSION ON ELECTIONS (1); HUMAN SETTLEMENTS ADJUDICATION COMMISSION - QUEZON CITY (1); DEVELOPMENT BANK OF THE PHILIPPINES - HEAD OFFICE (1); BUREAU OF INTERNAL REVENUE (1); DEPARTMENT OF SCIENCE AND TECHNOLOGY-PCAARRD (1).

CITY OF MAKATI (121); 306TH CONTRACTING OFFICE, AFP PROCUREMENT SERVICE (119); PROVINCE OF TARLAC (119); PROVINCE OF DINAGAT ISLANDS (118); GHQ PROCUREMENT CENTER, AFP PROCUREMENT SERVICE (116); DEPARTMENT OF HEALTH - CHD, ZAMBOANGA PENINSULA (115); MARIANO MARCOS STATE UNIVERSITY (113); CORAZON LOCSIN MONTELIBANO MEMORIAL REGIONAL HOSPITAL-DOH R6 (112); PROVINCE OF AGUSAN DEL NORTE (109); LUNG CENTER OF THE PHILIPPINES (108); DAVAO REGIONAL MEDICAL CENTER (106); PROVINCE OF BATANGAS (105); CENTRAL LUZON STATE UNIVERSITY (104); CENTER FOR HEALTH DEVELOPMENT - REGION VI (103); DEPARTMENT OF AGRICULTURE - REGION IV-A (103); MINES AND GEO-SCIENCES BUREAU (103); CITY OF BINAN, LAGUNA (102); PHILIPPINE HEALTH INSURANCE CORPORATION - REGION XI (99); CITY OF DANAO, CEBU (96); CITY OF TAGUM, DAVAO DEL NORTE (95); PHILIPPINE HEALTH INSURANCE CORPORATION - REGION XII (95); METRO MANILA DEVELOPMENT AUTHORITY (94); NATIONAL ECONOMIC AND DEVELOPMENT AUTHORITY - REGION IX (94); CITY OF BAYAWAN, NEGROS ORIENTAL (93); DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES - NCR (93); PHILIPPINE HEALTH INSURANCE CORPORATION - REGION - IV A (92); TARLAC STATE UNIVERSITY (92); UNIVERSITY OF SOUTHEASTERN PHILIPPINES -REGIONAL TRADES, CRA (90); 106TH CONTRACTING OFFICE, AFP PROCUREMENT SERVICE (88); CITY OF NAGA, CAMARINES SUR (87); PROVINCE OF BATAAN (87); SOCIAL HOUSING FINANCE CORPORATION (87); PROVINCE OF SURIGAO DEL NORTE (86); DEPARTMENT OF THE INTERIOR AND LOCAL GOVERNMENT - REGION VII (84); MUNICIPALITY OF NORZAGARAY, BULACAN (83); CARAGA REGIONAL HOSPITAL (82); 109TH CONTRACTING OFFICE, AFP PROCUREMENT SERVICE (79); BAGUIO GENERAL HOSPITAL AND MEDICAL CENTER (79); CITY OF LEGAZPI, ALBAY (79); CITY OF SAN JOSE, NUEVA ECIJA (79); DEPARTMENT OF EDUCATION (76); MOUNTAIN PROVINCE STATE POLYTECHNIC COLLEGE (76); WEST VISAYAS STATE UNIVERSITY MEDICAL CENTER - REGION VI (76); MUNICIPALITY OF BONGABONG, ORIENTAL MINDORO (75); NUEVA ECIJA UNIVERSITY OF SCIENCE AND TECHNOLOGY (75); DEPARTMENT OF AGRICULTURE - REGION III (73); 113RD CO AFP PROCUREMENT SERVICE (72); DAVAO DEL NORTE STATE COLLEGE (72); PROVINCE OF BENGUET (71); CITY OF TANAUAN, BATANGAS (70); DEPARTMENT OF JUSTICE - MAIN (70); RIZAL MEDICAL CENTER (70); SECURITIES AND EXCHANGE COMMISSION (70); CARAGA STATE UNIVERSITY (69); UNIVERSITY OF THE PHILIPPINES - MANILA (69); CITY GOVERNMENT OF CALAPAN (68); ISLAND GARDEN CITY OF SAMAL, DAVAO DEL NORTE (68); CITY OF QUEZON (67); UNIVERSITY OF THE PHILIPPINES - MINDANAO (67); CARLOS HILADO MEMORIAL STATE UNIVERSITY (66); DON HONORIO VENTURA STATE UNIVERSITY (65); MUNICIPALITY OF PAVIA, ILOILO (65); PN BAC SECRETARIAT, AFP PROCUREMENT SERVICE (65); 114TH CONTRACTING OFFICE FOR INFRASTRUCTURE, AFPPS (64); CONSTRUCTION INDUSTRY AUTHORITY OF THE PHILIPPINES (64); DEPARTMENT OF AGRICULTURE - REGION X (64); PROVINCE OF PALAWAN (64); PROVINCE OF ZAMBOANGA DEL NORTE (64); CITY OF KORONADAL, SOUTH COTABATO (63); IFUGAO STATE UNIVERSITY (62); NATIONAL IRRIGATION ADMINISTRATION - MARIIS, DIVISION II (62); PROVINCE OF AGUSAN DEL SUR (62); TECHNICAL EDUCATION & SKILLS DEVELOPMENT AUTHORITY - REGION (62); MARIANO MARCOS MEMORIAL HOSPITAL AND MEDICAL CENTER (61); SORSOGON STATE UNIVERSITY - SORSOGON CITY (61); BUREAU OF ANIMAL INDUSTRY, DA (60); DEPARTMENT OF HUMAN SETTLEMENTS AND URBAN DEVELOPMENT - MAND (60); DEPARTMENT OF SOCIAL WELFARE AND DEVELOPMENT - REGION I (60); MUNICIPALITY OF SARIAYA, QUEZON (60); SOUTHERN PHILIPPINES MEDICAL CENTER (60); CITY OF SAN PABLO, LAGUNA (59); CITY OF TACLOBAN, LEYTE (59); MINES AND GEOSCIENCES BUREAU - REGION 7 (59); PARTIDO STATE UNIVERSITY - GOA CAMPUS (59); PHILIPPINE CARABAO CENTER (59); AGRICULTURAL TRAINING INSTITUTE - CARAGA REGION (58); CITY OF PASIG (58); CITY OF TABUK, KALINGA (58); DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES - CARAGA (58); PROVINCE OF ILOILO (58); CITY OF ILOILO (57); CIVIL AVIATION AUTHORITY OF THE PHILIPPINES - DAVAO INTERNAT (57); PROVINCE OF ORIENTAL MINDORO (57); AUTHORITY OF THE FREEPORT AREA OF BATAAN (56); PROVINCE OF MARINDUQUE (56); BUREAU OF INTERNAL REVENUE - REVENUE REGION NO. 10 (55); CITY OF DIGOS, DAVAO DEL SUR (55); DEPARTMENT OF AGRICULTURE - REGION XI (55); PHILIPPINE CENTER FOR POSTHARVEST DEV'T AND MECHANIZATION (55); PROVINCE OF AURORA (55); PROVINCE OF BOHOL (54); PROVINCE OF CATANDUANES (54); DEPARTMENT OF AGRARIAN REFORM - COMVAL (53); MUNICIPALITY OF BALAMBAN, CEBU (53); PROVINCE OF BUKIDNON (53); CAVITE STATE UNIVERSITY (52); CITY OF MAASIN, SOUTHERN LEYTE (52); PROVINCE OF ZAMBOANGA DEL SUR (52); NATIONAL IRRIGATION ADMINISTRATION - PIMO (51); NORTHERN BUKIDNON STATE COLLEGE (51); PHILIPPINE INFORMATION AGENCY (51); TONDO MEDICAL CENTER (51); BUREAU OF FISHERIES AND AQUATIC RESOURCES - REGION III (50); MUNICIPALITY OF LABASON, ZAMBOANGA DEL NORTE (50); PHILIPPINE NATIONAL POLICE - HEADQUARTERS SUPPORT SERVICE (50); 111TH CONTRACTING OFFICE, AFP PROCUREMENT SERVICE (49); UNIVERSITY OF NORTHERN PHILIPPINES (49); DEPARTMENT OF EDUCATION - DIVISION OF VALENCIA CITY (48); MUNICIPALITY OF CALAUAG, QUEZON (48); PEA TOLLWAY CORPORATION (48); PHILIPPINE DEPOSIT INSURANCE CORPORATION (48); SIQUIJOR STATE COLLEGE (48); DEPARTMENT OF EDUCATION - DIVISION OF CAMARINES NORTE (47); PHILIPPINE HEALTH INSURANCE CORPORATION - CAR (47); BUREAU OF FIRE PROTECTION - REGION IV-A (CALABARZON) (46); CENTRAL MINDANAO UNIVERSITY (46); CITY OF BAGUIO, BENGUET (46); CITY OF SAN FERNANDO, PAMPANGA (46); FOREST PRODUCT RESEARCH AND DEVELOPMENT INSTITUTE ( FPRDI ) (46); NORTHWEST SAMAR STATE UNIVERSITY (46); PROVINCE OF ILOCOS NORTE (46); 110TH CONTRACTING OFFICE, AFP PROCUREMENT SERVICE (45); MUNICIPALITY OF LEON, ILOILO (45); MUNICIPALITY OF NAUJAN, ORIENTAL MINDORO (45); NORTHERN MINDANAO MEDICAL CENTER (45); PROFESSIONAL REGULATION COMMISSION- CENTRAL OFFICE (45); PROVINCIAL GOVERNMENT OF AKLAN (45); BULACAN STATE UNIVERSITY (44); CITY OF BAYUGAN, AGUSAN DEL SUR (44); CITY OF EL SALVADOR, MISAMIS ORIENTAL (44); MINES AND GEOSCIENCES BUREAU - CARAGA (44); MUNICIPALITY OF MANOLO FORTICH, BUKIDNON (44); UNIVERSITY OF THE PHILIPPINES - CEBU (44); CENTER FOR INTERNATIONAL TRADE EXPOSITIONS AND MISSIONS, DTI (43); DEPARTMENT OF AGRICULTURE - MAIN (43); LAGUNA LAKE DEVELOPMENT AUTHORITY, DENR (43); MUNICIPALITY OF LILOAN, SOUTHERN LEYTE (43); PHILIPPINE COMPETITION COMMISSION (43); BUREAU OF IMMIGRATION (42); BUREAU OF INTERNAL REVENUE - REVENUE REGION NO. 15 (42); CITY GOVERNMENT OF NAVOTAS (42); CITY OF CABANATUAN, NUEVA ECIJA (42); CITY OF TAYABAS, QUEZON (42); MUNICIPALITY OF QUEZON, PALAWAN (42); NATIONAL ECONOMIC AND DEVELOPMENT AUTHORITY - MAIN (42); UNIVERSITY OF THE PHILIPPINES - BAGUIO (42); BICOL REGION GENERAL HOSPITAL AND GERIATRIC MEDICAL CENTER(F (41); DEPARTMENT OF EDUCATION - DIVISION OF CAGAYAN (41); MUNICIPALITY OF HERMOSA, BATAAN (41); MUNICIPALITY OF TERESA, RIZAL (41); PHILIPPINE HEALTH INSURANCE CORPORATION - REGION II (41); PROVINCE OF CAGAYAN (41); SOUTHERN LEYTE STATE UNIVERSITY (41); UNIVERSITY OF SOUTHEASTERN PHILIPPINES (41); VISAYAS STATE UNIVERSITY - MAIN CAMPUS (41); CATANDUANES STATE UNIVERSITY (40); CITY OF OROQUIETA, MISAMIS OCCIDENTAL (40); COMMISSION ON HIGHER EDUCATION - REGION VIII (40); DEPARTMENT OF EDUCATION - DIVISION OF MARINDUQUE (40); ENVIRONMENTAL MANAGEMENT BUREAU - DENR (40); NATIONAL IRRIGATION ADMINISTRATION - REGION VI (40); PROVINCE OF ZAMBOANGA SIBUGAY (40); BUKIDNON STATE UNIVERSITY (39); CITY OF CAGAYAN DE ORO, MISAMIS ORIENTAL (39); CITY OF TARLAC, TARLAC (39); DEPARTMENT OF SCIENCE AND TECHNOLOGY (39); PHILIPPINE NATIONAL POLICE - LOGISTICS SUPPORT SERVICE (39); WESTERN MINDANAO STATE UNIVERSITY (39); BICOL UNIVERSITY (38); CITY OF ZAMBOANGA, ZAMBOANGA DEL SUR (38); DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES-10 (38); DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES - REGION VII (38); INSURANCE COMMISSION (38); MUNICIPALITY OF PILAR, BATAAN (38); MUNICIPALITY OF SAN VICENTE, PALAWAN (38); OFFICE OF THE SOLICITOR GENERAL (38); UNIVERSITY OF THE PHILIPPINES - VISAYAS (38); CITY OF CEBU, CEBU (37); CITY OF HIMAMAYLAN, NEGROS OCCIDENTAL (37); CITY OF LIGAO, ALBAY (37); CITY OF MANILA (37); CITY OF OLONGAPO, ZAMBALES (37); DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES - CAR (37); OCCIDENTAL MINDORO STATE COLLEGE (37); CAPIZ STATE UNIVERSITY - CENTRAL ADMINISTRATION (36); CITY OF BAYBAY, LEYTE (36); DEPARTMENT OF HEALTH - MAIN (36); DEPARTMENT OF INFORMATION AND COMMUNICATIONS TECHNOLOGY - RE (36); DEPARTMENT OF SOCIAL WELFARE AND DEVELOPMENT - REGION X (36); MUNICIPALITY OF ALEGRIA, CEBU (36); MUNICIPALITY OF PALOMPON, LEYTE (36); MUNICIPALITY OF PINILI, ILOCOS NORTE (36); MUNICIPALITY OF ROSARIO, LA UNION (36); MUNICIPALITY OF SAN NICOLAS, ILOCOS NORTE (36); PRESIDENTIAL BROADCAST STAFF ,RTVM (36); PROVINCE OF DAVAO DE ORO (36); SOUTHERN ISABELA MEDICAL CENTER (36); CAMARINES NORTE STATE COLLEGE (35); CITY OF TALISAY, CEBU (35); DEPARTMENT OF HEALTH REGIONAL OFFICE II (35); DEPARTMENT OF SOCIAL WELFARE AND DEVELOPMENT - REGION VI (35); DEPARTMENT OF SOCIAL WELFARE AND DEVELOPMENT - REGION VII (35); DICT, FIELD OPERATIONS OFFICE, LUZON CLUSTER 1 (35); MUNICIPALITY OF LUCBAN, QUEZON (35); MUNICIPALITY OF SAN FRANCISCO, QUEZON (35); OFFICE OF THE OMBUDSMAN - MAIN OFFICE (35); TOURISM PROMOTIONS BOARD (35); BUREAU OF PLANT INDUSTRY - REGION X (34); CITY OF SAN CARLOS, PANGASINAN (34); DEPARTMENT OF AGRICULTURE - CARFU (34); DEPARTMENT OF HEALTH EASTERN VISAYAS CHD - PALO LEYTE (34); DEPARTMENT OF SOCIAL WELFARE AND DEVELOPMENT - REGION IV-A (34); DON EMILIO DEL VALLE MEMORIAL HOSPITAL (34); MUNICIPALITY OF LOPEZ, QUEZON (34); PROVINCE OF BATANES (34); 408TH CONTRACTING OFFICE, AFP PROCUREMENT SERVICE (33); CITY GOVERNMENT OF CABUYAO, LAGUNA (33); CITY OF ANTIPOLO, RIZAL (33); CITY OF LIPA, BATANGAS (33); CITY OF TANJAY, NEGROS ORIENTAL (33); COTABATO REGIONAL AND MEDICAL CENTER (33); DON MARIANO MARCOS MEMORIAL STATE UNIVERSITY - BACNOTAN (33); GENERAL SANTOS CITY WATER DISTRICT (33); PHILIPPINE AIR FORCE (33); PRESIDENT RAMON MAGSAYSAY STATE UNIVERSITY (33); PROVINCE OF COTABATO (33); BENGUET STATE UNIVERSITY-BUGUIAS CAMPUS (32); DEPARTMENT OF AGRARIAN REFORM - NEGROS OCCIDENTAL 1 (32); DEPARTMENT OF EDUCATION - DIVISION OF CABADBARAN CITY (32); DEPARTMENT OF THE INTERIOR AND LOCAL GOVERNMENT - NCR (32); LOCAL WATER UTILITIES ADMINISTRATION (32); MUNICIPALITY OF SAN FERNANDO, CEBU (32); PHILIPPINE SCIENCE HIGH SCHOOL - EASTERN VISAYAS CAMPUS (32); PUBLIC ATTORNEY'S OFFICE (32); UNIVERSITY OF THE PHILIPPINES - LOS BANOS (32); CEBU NORMAL UNIVERSITY (31); CITY OF MALABON (31); CITY OF TRECE MARTIRES (31); DEPARTMENT OF ENVIRONMENT AND NATURAL RES. - PENRO, ILOILO (31); DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - SURIGAO DEL SUR 1S (31); GOVERNOR CELESTINO GALLARES MULTI-SPECIALTY MEDICAL CENTER (31); MUNICIPALITY OF SAN MIGUEL, ILOILO (31); MUNICIPALITY OF STA. CRUZ, MARINDUQUE (31); NATIONAL ECONOMIC AND DEVELOPMENT AUTHORITY - RVII (31); PHILIPPINE HEALTH INSURANCE CORPORATION - REGION III (31); PRESIDENTIAL LEGISLATIVE LIAISON OFFICE (31); CITY OF BORONGAN, EASTERN SAMAR (30); DEPARTMENT OF EDUCATION - REGION VIII (30); DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - REGION XIII (CARAG (30); MUNICIPALITY OF BAY, LAGUNA (30); MUNICIPALITY OF PALO - LEYTE LEYTE (30); MUNICIPALITY OF RIZAL,PALAWAN (30); NATIONAL POWER CORPORATION - MINDANAO GENERATION (30); PHILIPPINE HEALTH INSURANCE CORPORATION - NCR & RIZAL GROUP (30); PHILIPPINE INTERNATIONAL CONVENTION CENTER (30); PILI WATER DISTRICT (30); UNIVERSITY OF SCIENCE & TECH. OF SOUTHERN PHIL.-CLAVERIA (30); VETERANS MEMORIAL MEDICAL CENTER, DND (30); WEST VISAYAS STATE UNIVERSITY – COLLEGE OF AGRICULTURE AND F (30); ZAMBOANGA CITY MEDICAL CENTER (30); DEPARTMENT OF AGRICULTURE - REGION VI (29); DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - REGION X (29); ENVIRONMENTAL MANAGEMENT BUREAU - REG IV - A, CALABARZON (29); GUIMARAS STATE COLLEGE (29); METROPOLITAN WATERWORKS AND SEWERAGE SYSTEM (29); MUNICIPALITY OF NASUGBU, BATANGAS (29); MUNICIPALITY OF ROSARIO, BATANGAS (29); PHILIPPINE CHILDREN'S MEDICAL CENTER (29); PNOC EXPLORATION CORPORATION - TAGUIG CITY (29); PRESIDENTIAL MANAGEMENT STAFF (29); PROVINCE OF SOUTH COTABATO (29); TESDA - CABUCGAYAN NATIONAL SCHOOL OF ARTS AND TRADES (29); 406TH CONTRACTING OFFICE, AFP PROCUREMENT SERVICE (28); DEPARTMENT OF THE INTERIOR AND LOCAL GOVERNMENT - MAIN (28); DON JOSE S. MONFORT MEDICAL CENTER (28); MUNICIPALITY OF ALANGALANG, LEYTE (28); MUNICIPALITY OF ALBUERA, LEYTE (28); MUNICIPALITY OF BANTAY, ILOCOS SUR (28); MUNICIPALITY OF BAYOG, ZAMBOANGA DEL SUR (28); MUNICIPALITY OF LABO, CAMARINES NORTE (28); MUNICIPALITY OF MARIVELES, BATAAN (28); PAG-IBIG FUND NAGA BUSINESS CENTER (28); PALOMPON INSTITUTE OF TECHNOLOGY (28); 405TH CONTRACTING OFFICE, AFP PROCUREMENT SERVICE (27); CITY OF BUTUAN, AGUSAN DEL NORTE (27); DEPARTMENT OF EDUCATION - DIVISION OF BENGUET (27); DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES - REGION V (27); DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ROMBLON DEO (27); DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - SORSOGON 1ST DEO (27); DEPARTMENT OF SOCIAL WELFARE AND DEVELOPMENT - REGION VIII (27). Largest 340 of 2,793 shown.