Short answer (as of July 2026): For Beltway govtech and defense capital, the fund we cover with a true Greater Washington HQ is In-Q-Tel (Arlington, VA). Pair it with thesis-active national firms — Andreessen Horowitz (Menlo Park HQ; DC office), Lux Capital (New York), Founders Fund, and General Catalyst (Cambridge) — when you need financial VC that already underwrites dual-use, autonomy, space, and defense industrial base companies. Do not confuse a DC office or a DoD customer with a DC headquarters.

Primary audience / JTBD: Founders building for government and defense buyers who need a shortlist of checks that actually clear Beltway diligence; investors mapping where Beltway strategic capital sits versus coastal thesis capital.

Sister list of companies: Washington DC startups we cover (defense & govtech). Browse all funds: /directory. East Coast context: East Coast venture capital firms 2026.

Scope: HQ vs thesis (read this first)

Includes: Directory funds on the whitelist with either Greater Washington HQ or clear defense/govtech activity relevant to federal buyers.

Excludes: Invented AUM/DPI/IRR; fake /fund/ IDs; claiming Menlo Park or NYC firms are “DC VCs.”

Beltway & defense/govtech funds we cover

Named without a linked profile (coverage gap): Revolution (Washington, DC HQ — Rise of the Rest / policy-aware growth) appears in our East Coast map but is not yet a /fund/ entry in the directory whitelist. Do not invent a URL.

How to read each firm

In-Q-Tel — Arlington strategic capital (primary Beltway HQ)

In-Q-Tel is the clearest Greater Washington investor in our set: founded 1999, Arlington-based, tagged defense-tech, structured as a not-for-profit strategic investor rather than a classic DPI-maximizing VC. Founders should expect diligence on mission fit and agency adoption path, not only growth metrics. IQT often sits alongside financial VCs; its edge is customer adjacency to the U.S. intelligence community and national security stack.

Use In-Q-Tel when: your product is dual-use or government-first, you can name a plausible IC/DoD problem owner, and you want strategic capital that signals seriousness to Beltway buyers.

Andreessen Horowitz — Menlo HQ, DC office, American Dynamism thesis

a16z is not a DC firm. HQ is Menlo Park; AUM in our directory framing is $35B+. What belongs on a Beltway shortlist is the American Dynamism / dual-use book plus a documented Washington, DC office for policy and federal adjacency. Portfolio gravity in our coverage includes Anduril, Shield AI, Hadrian, Pryzm, Chariot Defense, and others that sell into defense and federal buyers even when product teams sit in California or elsewhere.

Lux Capital — New York deep tech with defense & space overlap

Lux Capital is New York–HQ, not Beltway. It belongs here because the thesis — frontier science, AI, biotech, defense, robotics, space — repeatedly shows up in the same syndicates founders meet when raising for dual-use hard tech (e.g. Anduril, Hadrian, Applied Intuition, Observable Space coverage). Treat Lux as thesis capital that underwrites Beltway demand, not as a DC fundraise destination with local partners on K Street.

Founders Fund — defense-heavy book, not a DC HQ

Founders Fund lists New York in our directory location field and is widely associated with San Francisco as well. Sectors include deep tech, AI, defense-tech, and space. The firm is thesis-active for Beltway-relevant companies (notably large Anduril rounds in our coverage) but is not headquartered in Greater Washington. Pitch Founders Fund for ambition and hard-tech conviction — not for “local DC VC.”

General Catalyst — Cambridge multi-stage, recurring defense co-investor

General Catalyst is Cambridge, MA HQ with broader U.S. and global offices. It is on this list as a multi-stage financial VC that repeatedly appears in defense-autonomy and industrial-base syndicates we cover (Anduril, Applied Intuition, Senra Systems, and others). Use GC when you need growth follow-on capacity and a generalist platform that already understands dual-use — not when you specifically need an Arlington strategic investor.

How founders should use this list

1. Separate buyer geography from investor geography. Your contracting officer may sit in the National Capital Region while your check comes from Menlo Park, New York, or Cambridge.
2. Lead with In-Q-Tel only if mission path is real. Strategic capital without a customer narrative wastes cycles.
3. Match stage. Lux and a16z can engage early; growth-scale defense rounds often need Founders Fund / a16z / GC-class follow-on. In-Q-Tel is not a substitute for a financial lead.
4. Don’t pitch “we’re a DC startup” if you’re not. Partners care about product, clearances, and procurement path — false metro claims hurt credibility.
5. Next step on companies: shortlist peers and customer-adjacent names in startups we cover, then jump to /directory for the full fund graph.

Related reading

• Washington DC startups we cover (defense & govtech) 2026
• East Coast venture capital firms 2026
• What is a corporate VC (CVC)?
• Fund directory

Sources

1. In-Q-Tel firm site / our fund profile: https://www.iqt.org — /fund/in-q-tel
2. Andreessen Horowitz offices (incl. Washington, DC): https://a16z.com/offices/
3. Lux Capital (New York deep tech): https://luxcapital.com — /fund/lux-capital
4. Founders Fund: https://foundersfund.com — /fund/founders-fund
5. General Catalyst: https://generalcatalyst.com — /fund/general-catalyst
6. VentureCapitalTracker East Coast map (Revolution DC callout): https://venturecapitaltracker.com/east-coast-venture-capital-firms-2026