| Commander | 703-432-1800 |
| Executive Director | 703-432-1801 |
| Chief of Staff - COS | N/A |
| Sergeant Major | 703-432-1802 |
| AC Programs | N/A |
| Acquisition Web | N/A |
| Ammunition (PM AMMO) | 703-432-8787 |
| Analysis Branch | N/A |
| Armor & Fire Support Systems (PG14 AFSS) | 703-432-4087 |
| Assault Amphibious Vehicle Systems | N/A |
| Assessments Branch | N/A |
| Automatic Identification Technology | N/A |
| Chief Management Officer (CMO) | 703-432-3899 |
| CM Navigator | N/A |
| Combat Equipment & Support Systems (PG16 CESS) | 703-432-3280 |
| Command Video | N/A |
| Communications & Networking Systems (PM CNS) | N/A |
| Communications, Intelligence, & Networking Systems (PG12 CINS) | 703-432-4185 |
| Contracts | N/A |
| Contracts (AC CT) | N/A |
| Corporate Communications | N/A |
| Corporate Communications Directorate | 703-432-3942 |
| Corrosion Prevention and Control (CPAC) | N/A |
| Counter Improvised Explosive Devices (CIED) | 703-432-5165 |
| Counter Radio Controlled Improvised Explosive Device (RCIED) Electronic Warfare | N/A |
| Defense Priorities & Allocations System (DPAS) | N/A |
| DefenseLink | N/A |
| Department of the Navy Chief Information Officer | N/A |
| Department of the Navy Research, Development & Acquisition | N/A |
| Electronic Reading Room | N/A |
| Engineer Systems | N/A |
| Expeditionary Power Systems | N/A |
| Family Readiness Officer | 703-432-1803 |
| Freedom of Information Act (FOIA) On-Line | N/A |
| Global Combat Support System - Marine Corps (GCSS-MC) | N/A |
| Ground Transportation & Engineer Systems (PG15 GTES) | 703-432-3226 |
| Infantry Weapons Systems (PG13 IWS) | 703-432-3670 |
| Information Assurance Division | N/A |
| Information Systems & Infrastructure (PG10 ISI) | 703-432-5174 |
| Intelligence Systems (PM Intel) | N/A |