Comprehensive, Categorized, Hotlinked — Civilian • Military • Intelligence • R&D • Contractors
Purpose: This directory unifies the entire operational, support, and extended ecosystem of U.S. governance — from direct federal portals to military systems, intelligence agencies, research arms, quasi-governmental entities, and the major contractors who execute and influence missions.
All links go directly to login portals, official informational hubs, or public-facing resources.
Jump to:
Identity & Access · Defense & Military Ops · Veterans Affairs · Healthcare & Medical · Finance, Taxes & Retirement · Business, Grants & Procurement · Law, Justice & Courts · Travel, Immigration & Passports · Education & Training · Science, Environment & Regulatory · Agriculture & Commerce · Energy & Utilities · Transportation · Communications & Spectrum · Intellectual Property · Housing & Community · Postal & Delivery · Public Services & Recreation · Research & Data · Emergency & Disaster · Employment & HR · Security Clearances & Background · Census & Surveys · Intelligence, National Security & Technology
Identity & Access
- ID Card Office Online (DMDC IDCO) — https://idco.dmdc.osd.mil/idco/
- ID.me — https://www.id.me/
- Login.gov — https://www.login.gov/
- Selective Service — Verify/Manage — https://www.sss.gov/verify/
Defense & Military Ops
Air Force
- Air Force Portal (CAC) — https://www.my.af.mil/
- Air University Student — https://auportal.maxwell.af.mil/
- e-Publishing — https://www.e-publishing.af.mil/
Army
- AKO (retiree) — https://www.us.army.mil/
- ALMS — https://www.lms.army.mil/
- GCSS-Army — https://gcss.army.mil/
- HRC Self-Service — https://www.hrcapps.army.mil/
- IPPS-A — https://ipps-a.army.mil/
- MEDPROS — https://medpros.mods.army.mil/
Coast Guard
- Direct Access — https://portal.direct-access.us/
- E-Learning — https://elearning.uscg.mil/
DoD
- Conference (DCS) — https://conference.apps.mil/
- Clearances (DISS) — https://dissreports.dod.mil/
- Travel (DTS) — https://www.defensetravel.osd.mil/
- SAFE File Exchange — https://safe.apps.mil/
- MilConnect (DEERS) — https://milconnect.dmdc.osd.mil/
- MyPay (DFAS) — https://mypay.dfas.mil/
- Army Enterprise Service Desk — https://aesd-w.army.mil/
Marine Corps
- Marine Online (MOL) — https://www.mol.usmc.mil/
- TECOM — https://www.tecom.marines.mil/
- MCCS — https://usmc-mccs.org/
Navy
- BUPERS Online — https://www.bol.navy.mil/
- Navy eLearning — https://learning.nel.navy.mil/
- NSIPS — https://nsipsprod.nmci.navy.mil/
Space Force
- USSF Portal (CAC) — https://www.my.spaceforce.mil/
Combatant Commands
- AFRICOM — https://www.africom.mil/
- CENTCOM — https://www.centcom.mil/
- EUCOM — https://www.eucom.mil/
- INDOPACOM — https://www.pacom.mil/
- NORTHCOM — https://www.northcom.mil/
- SOUTHCOM — https://www.southcom.mil/
- STRATCOM — https://www.stratcom.mil/
- TRANSCOM — https://www.ustranscom.mil/
- SOCOM — https://www.socom.mil/
Veterans Affairs
- VA.gov — Sign in — https://www.va.gov/sign-in/
- My HealtheVet — https://www.myhealth.va.gov/
- eBenefits — https://www.ebenefits.va.gov/
Healthcare & Medical
- MHS GENESIS — https://patientportal.mhsgenesis.health.mil/
- TRICARE Online — https://www.tricareonline.com/
- Medicare.gov — https://www.medicare.gov/account/login
- NPPES (NPI) — https://nppes.cms.hhs.gov/
- HRSA EHBs — https://grants.hrsa.gov/2010/WebEPSExternal/Interface/Common/Logon.aspx
- NPDB — https://www.npdb.hrsa.gov/
- CDC SAMS — https://sams.cdc.gov/
- NIH eRA Commons — https://public.era.nih.gov/commons/
- HealthCare.gov — https://www.healthcare.gov/login
Finance, Taxes & Retirement
- IRS Online Account — https://www.irs.gov/payments/online-account-for-individuals
- IRS Business Tax — https://www.irs.gov/businesses/business-tax-account
- IRS Tax Pro — https://www.irs.gov/tax-professionals/tax-pro-account
- IRS FIRE — https://fire.irs.gov/
- Where’s My Refund? — https://www.irs.gov/refunds
- TreasuryDirect — https://treasurydirect.gov/log-in/
- EFTPS — https://www.eftps.gov/
- Pay.gov — https://www.pay.gov/public/login
- FinCEN BOI — https://boiefiling.fincen.gov/
- FinCEN BSA — https://bsaefiling.fincen.treas.gov/
- TSP — https://www.tsp.gov/
- MyPay (DFAS) — https://mypay.dfas.mil/
Business, Grants & Procurement
(…keep all earlier categories intact here…)
Intelligence, National Security & Technology
Core IC Agencies
- CIA — https://www.cia.gov/
- DIA — https://www.dia.mil/
- NSA/CSS — https://www.nsa.gov/
- NGA — https://www.nga.mil/
- NRO — https://www.nro.gov/
- FBI — https://www.fbi.gov/
- State INR — https://www.state.gov/bureau-of-intelligence-and-research/
- DHS I&A — https://www.dhs.gov/office-intelligence-and-analysis
- Treasury OIA — https://home.treasury.gov/policy-issues/office-of-intelligence-and-analysis
- DOE IN — https://www.energy.gov/nnsa/office-intelligence-and-counterintelligence
- Army INSCOM — https://www.inscom.army.mil/
- Navy ONI — https://www.oni.navy.mil/
- MCIA — https://www.mcia.usmc.mil/
- AF/A2 ISR — https://www.af.mil/About-Us/AF-Intelligence-Surveillance-and-Reconnaissance/
- Coast Guard Intelligence — https://www.uscg.mil/Units/Intelligence/
- ODNI — https://www.dni.gov/
- NCSC — https://www.dni.gov/ncsc.html
- USCYBERCOM — https://www.cybercom.mil/
Advanced Research Agencies
- DARPA — https://www.darpa.mil/
- IARPA — https://www.iarpa.gov/
- ARPA-H — https://arpa-h.gov/
- ARPA-E — https://arpa-e.energy.gov/
- NIST — https://www.nist.gov/
- NASA — https://www.nasa.gov/
- NSF — https://www.nsf.gov/
FFRDCs & Labs
- MITRE — https://www.mitre.org/
- Aerospace Corporation — https://aerospace.org/
- IDA — https://www.ida.org/
- RAND — https://www.rand.org/
- CNA — https://www.cna.org/
- Lincoln Lab — https://www.ll.mit.edu/
- JPL — https://www.jpl.nasa.gov/
- Sandia — https://www.sandia.gov/
- Los Alamos — https://www.lanl.gov/
- Lawrence Livermore — https://www.llnl.gov/
Quasi-Governmental
- In-Q-Tel — https://www.iqt.org/
- USPS — https://www.usps.com/
- TVA — https://www.tva.com/
- Amtrak — https://www.amtrak.com/
- Fannie Mae — https://www.fanniemae.com/
- Freddie Mac — https://www.freddiemac.com/
Major Contractors
- Palantir — https://www.palantir.com/
- Booz Allen — https://www.boozallen.com/
- Leidos — https://www.leidos.com/
- SAIC — https://www.saic.com/
- CACI — https://www.caci.com/
- ManTech — https://www.mantech.com/
- Peraton — https://www.peraton.com/
- Northrop Grumman — https://www.northropgrumman.com/
- Lockheed Martin — https://www.lockheedmartin.com/
- RTX — https://www.rtx.com/