1800 M St NW, Washington, DC 20036
Tenant list and company directory — 22 businesses at this address in Washington, DC. Last updated August 28, 2026.
Also searched as: 1800 M St NW · 1800 M St NW, Washington, DC · 1800 M St NW, Washington · 1800 M street northwest · 1800 M street northwest, Washington, DC · 1800 M street northwest, Washington
There are 22 companies at this address, primarily in Post office, Association / Organization, Consultant, Law firm. Average reported headcount is 878 employees.
Showing 22 of 22 companies
| Company | Category | Employees | Revenue | Phone | Rating |
|---|---|---|---|---|---|
| United States Postal Serviceusps.com | Post office | — | $78.2 Billion | +18002758777 | 2.2(82) |
| American Land Title Associationalta.org | Association / Organization | 72 | $13.3 Million | +12022963671 | 5(1) |
| Huron Consulting Grouphuronconsultinggroup.com | Consultant | 7989 | $1.7 Billion | +12025856800 | 4.6(9) |
| The Brattle Groupbrattle.com | Consultant | 350 | $74 Million | +12029555050 | — |
| Berkeley Research Groupthinkbrg.com | Consultant | 1600 | $338.1 Million | +12024802700 | 4.2(6) |
| Zuckerman Spaederzuckerman.com | Law firm | — | $33.9 Million | +12027781800 | 5(3) |
| Zuckerman Spaederzuckerman.com | Attorney | — | $33.9 Million | +12027781800 | — |
| CT Strategiesct-strategies.com | Consultant | <25 | <$5 Million | +12026295199 | 5(4) |
| The Herald Grouptheheraldgroup.com | Business management consultant | 40 | $8.7 Million | +12023477947 | — |
| Rogers Jane S | Attorney | — | — | +12026596800 | 1(1) |
| 1800 M STREET1800mstreet.com | Property management company | <25 | <$5 Million | +12024521800 | 4.7(6) |
| Segalsegalco.com | Business management consultant | 1000 | $280.7 Million | +12024961492 | 5(2) |
| ACG Advocacyacgadvocacy.com | Consultant | &l;25 | <$5M | +12023278100 | 4.2(5) |
| 1730 M Street | Business center | — | — | +12029866300 | 2.8(4) |
| 1919 M Street | Business center | — | — | +12027856486 | 4.7(26) |
| 2001 M Street | Business center | — | — | +13016543282 | 3.7(7) |
| ParkChirpparkchirp.com | Parking garage | <25 | $5.2 Million | +12022234274 | 3.8(6) |
| Wilkinson Barker Knauerwbklaw.com | Legal services | 117 | $16.9 Million | +12027834141 | 4(2) |
| Association Management Strategiesamsamc.com | Corporate office | — | — | +12025305910 | — |
| Hannon Law Grouphannonlawgroup.com | Law firm | <25 | <$5 Million | +12022321907 | 3(4) |
| GCS, Inc. | Construction company | — | — | +12029446600 | — |
| Wilkinson Barker Knauerwbklaw.com | Attorney | 117 | $16.9 Million | +12027834141 | — |
Frequently asked questions about 1800 M St NW, Washington, DC 20036
- Who are the tenants at 1800 M St NW, Washington, DC 20036?
- Companies at 1800 M St NW, Washington, DC 20036 include United States Postal Service, American Land Title Association, Huron Consulting Group, The Brattle Group, Berkeley Research Group, Zuckerman Spaeder, Zuckerman Spaeder, CT Strategies, plus 14 more listed on this page.
- How many companies are located at 1800 M St NW, Washington, DC 20036?
- 22 companies are currently indexed at 1800 M St NW, Washington, DC 20036.
- What kinds of businesses are at 1800 M St NW, Washington, DC 20036?
- Tenants at this address operate mainly in Post office, Association / Organization, Consultant, Law firm, Attorney.
- How current is this tenant list?
- The tenant list for 1800 M St NW, Washington, DC 20036 was last updated on August 28, 2026.