| Business Machines Corporation | Procurement of various consumables (ink/toner) for office of COA Regional Office No. IV-B (MIMAROPA) | February 22, 2023 | | Download |
| CHL Distribution and IT Solutions | procurement of various materials (including labor) for the installation/CCTV set-up configuration/remote viewing configuration for the office of the PSAO in Boac, Marinduque, | February 2, 2023 | | Download |
| 721 Builders Corporation | Rehabilitation of Acoustic Ceiling Panel (Phase I) of COA Regional Office No. IV-B | October 3, 2022 | | Download |
| G.T.J. Construction | Additional Works for the completion of Provincial Satellite Auditing Office (PSAO) Building, Boac, Marinduque | September 23, 2022 | | Download |
| Mostaco Marketing | Purchase of various office supplies for Training use of COA Regional Office No. IV-B | September 22, 2022 | | Download |
| DRB-Marinduque Allied Appliance Center | Purchase of various office furnitures and fixtures for Provincial Satellite Auditing Office (PSAO) Boac, Marinduque | September 22, 2022 | | Download |
| DRB-Marinduque Allied Appliance Center | Purchase of various appliances for Provincial Satellite Auditing Office (PSAO) Boac, Marinduque | September 22, 2022 | | Download |
| Dwayne Eros General Merchandise | Purchase of Roller Blinds for Provincial Satellite Auditing Office (PSAO) Building in Boac, Marinduque | September 22, 2022 | | Download |
| Machine & Computer World, Inc. | Purchase of fourteen (14) units Laptop Computer for Regional Technical Services (TechITS), COA Regional Office No. IV-B | September 12, 2022 | | Download |
| Machine & Computer World, Inc. | Purchase of various Information and Communication Technology Equipment (ICTE) for office use of COA Regional Office No. IV-B | September 12, 2022 | | Download |
| Mostaco Marketing | Purchase of varous office supplies for office use of COA Regional Office No. IV-B | August 15, 2022 | | Download |
| DCI Int'l I.T. Solutions and Services Corporation | Purchase of various Information and Communication Technology Equipment (ICTE) for Water District teams’ use of COA Regional Office No. IV-B | August 9, 2022 | | Download |
| G.T.J. Construction | Completion of Provincial Satellite Auditing Office (PSAO) Building, Boac, Marinduque | July 14, 2022 | | Download |
| SANLAHI Group of Builders, Inc. | Construction of Provincial Satellite Auditing Office (PSAO) Building Phase II at Capitol Compound, Mamburao, Occidental Mindoro | July 14, 2022 | | Download |
| ASX Trading | Purchase of three (3) units Air Purifier with Humidifier for Training use of COA Regional Office No. IV-B | July 7, 2022 | | Download |
| E3K IT Solutions | Purchase of one (1) set Smart TV for Training use of COA Regional Office No. IV-B | July 7, 2022 | | Download |
| Gakken Philippines, Inc. | Purchase of one (1) unit Multimedia Projector for Training use of COA Regional Office No. IV-B | June 29, 2022 | | Download |
| Juan Carlos Construction Services | Purchase of Glassboard for Training Office use of COA Regional Office No. IV-B | June 15, 2022 | | Download |
| Erivan General Merchandise | Purchase of two (2) pcs Lateral Steel Filing Cabinet for Provincial Satellite Auditing Office (PSAO), Puerto Princesa City, Palawan | May 24, 2022 | | Download |
| Hydrovolt Construction Services | Repair of Cabinet for various offices of COA Regional Office No. IV-B | May 20, 2022 | | Download |
| Futuristic Trading & Construction | Purchase of various office supplies for Provincial Satellite Auditing Office (PSAO), Puerto Princesa City, Palawan | April 26, 2022 | | Download |
| Masangkay Computer Center | Purchase of two (2) units Flatbed Scanner for office use of COA Regional Office No. IV-B | April 21, 2022 | | Download |
| Best Choice Enterprises | Purchase of twenty (20) pieces of Brother Toner TN # 2380 (Black) for office use of COA Regional Office No. IV-B | April 26, 2022 | | Download |
| OTUS Copy Systems, Inc. | Purchase of Color Laser Printer and Heavy Duty Scanner for Training Office use of COA Regional Office No. IV-B | March 30, 2022 | | Download |
| Avid Sales Corporation | Purchase of Desktop and Laptop Computers Training Office use of COA Regional Office No. IV-B | March 30, 2022 | | Download |
| Mostaco Marketing | Purchase of various office supplies for Regional Office No. IV-B | March 7, 2022 | | Download |
| Machine & Computer World, Inc. | Procurement of Fifty Five (55) Units Computer Laptop (Slim Type) | February 7, 2022 | | Download |
| 721 Builders Corporation | Proposed Covered Parking Area of COA Region IV-B | October 6, 2021 | | Download |
| SANLAHI Group of Builders, Inc. | Design ( Architectural, Structural, Mechanical, Electrical, Sanitary/Plumbing) and Build for the Construction of Two (2) Storey Records Building at Provincial Satellite Auditing Office (PSAO) Compound, Brgy. Guinobatan, Calapan City, Oriental Mindoro | December 26, 2019 | | Download |
| JB & SONS Trading & Construction | Design (Structural, Mechanical, Electrical, Sanitary/Plumbing) and Build for the Construction of Two (2) Storey Records Building at Provincial Satellite Auditing Office (PSAO) Compound, Brgy. Sta. Monica, Puerto Princesa City, Palawan | December 18, 2019 | | Download |
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