| Batanes District Engineering Office | | Basco, Batanes |
| Name | DE ROMMEL E. FABI | ADE RONALD MERIN (OIC) |
| Contact No: | 0921-2567574 | |
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| Cagayan 1st District Engineering Office | | Aparri, Cagayan |
| Name | DE RUBEN S. SALIGANAN | ADE MARIANO B. MALUPENG |
| Contact No: | (078) 822-8056 | (078) 822-8225 |
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| Cagayan 2nd District Engineering Office | | Libertad, Abulug, Cagayan |
| Name | DE LORNA B. ASUTEN | ADE RELLIE S. ULEP |
| Contact No: | 0927-6169592 | |
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Email Address: | oicdejta@yahoo.com | |
| Cagayan 3rd District Engineering Office | | Tuguegarao City, Cagayan |
| Name | DE DANILO U. TABILAS | ADE GLENN V. REYES |
| Contact No: | (078) 846-4380 | (078) 846-4380 |
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Email Address: | danilo_u_tabilas@yahoo.com | |
| Isabela 1st District Engineering Office | | Ilagan, Isabela |
| Name | DE EVELYN C. COSTALES, Ph.D. | ADE OSCAR G. GUIMIRAN |
| Contact No: | (078) 624-2223 | (078) 624-2223 |
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| Isabela 2nd District Engineering Office | | Roxas, Isabela |
| Name | DE REYNATO M. UBIÑA | ADE JOCELYN P. PALEG |
| Contact No: | (078) 642-8139 | (078) 622-3581 |
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| Isabela 3rd District Engineering Office | | Cauayan City, Isabela |
| Name | DE EDITHA R. BABARAN | ADE ADONIS A. ASIS |
| Contact No: | (078) 652-1059 | (078) 652-1059 |
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| Isabela 4th District Engineering Office | | San Isidro, Isabela |
| Name | DE BERNARDO P. MORENO | ADE EDMUND B. DE LUNA |
| Contact No: | (078) 662-1786 | (078) 662-1786 |
| Contact No: | (078) 682-3585 | |
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| Nueva Vizcaya 1st District Engineering Office | | Bayombong, Nueva Vizcaya |
| Name | DE RODOLFO M. TORRALBA, JR., CEO VI | ADE EDUARDO B. SIBAYAN |
| Contact No: | (078) 362 0234 | (078) 362 0234 |
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| Fax No: | (078) 362 0234 | |
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| Nueva Vizcaya 2nd District Engineering Office | | Malasin, Dupax del Norte, Nueva Vizcaya |
| Name | DE RONALD P. REYES | ADE GLENN C. MIGUEL |
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| Quirino District Engineering Office | | Cabarroguis, Quirino |
| Name | DE MARIFEL T. ANDES, CSEE | ADE ARNOLD A. SABUG |
| Contact No: | (078) 321-2591 | (078) 321-2088 |
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