L St NW — 1111 19th Street Northwest, Washington, DC 20036

Tenant list and company directory — 181 businesses at this address in Washington, DC. Last updated August 28, 2026.

Also searched as: L St NW · 1111 19th Street Northwest · 1111 19th Street Northwest, Washington, DC · 1111 19th Street Northwest, Washington · 1111 19th st nw · 1111 19th st nw, Washington, DC

Map showing the location of 1111 19th Street Northwest, Washington, DC 20036

There are 181 companies at this address, primarily in Business management consultant, Business to business service, Attorney, Consultant. Average reported headcount is 4,182 employees.

Showing 181 of 181 companies

CompanyCategoryEmployeesRevenuePhoneRating
McKinsey & Companymckinsey.comBusiness management consultant45000$13.5 Billion+120266231004.2(24)
KPMGkpmg.comBusiness management consultant235670$36 Billion+120253330004.8(4)
Bainbain.comBusiness management consultant19000$7.5 Billion+120283546004.3(4)
Clutchclutch.coBusiness to business service190$40.2 Million(800) 215-27764.2(45)
Mayer Brownmayerbrown.comAttorney1900$1.9 Billion+120226352824.2(21)
CGIcgi.comBusiness management consultant90000$10.5 Billion+12029737800—
The National Bureau of Asian Researchnbr.orgBusiness management consultant26<$5 Million+120234797675(1)
The Brattle Groupbrattle.comConsultant350$74 Million+12029555050—
Winston & Strawn, LLPwinston.comLaw firm2334$397 Million+120228250003.2(10)
Winston & Strawn, LLPwinston.comAttorney2334$397 Million+12022825058—
Winston & Strawn, LLPwinston.comAttorney2334$397 Million+12022825622—
Winston & Strawn, LLPwinston.comAttorney2334$397 Million+12022825753—
Winston & Strawn, LLPwinston.comAttorney2334$397 Million+12022825662—
Winston & Strawn, LLPwinston.comAttorney2334$397 Million+12022825306—
National Association for Business Economicsnabe.comAssociation / Organization19<$5 Million+12024636223—
Marcummarcumllp.comBusiness management consultant<25<$5 Million+12022274000—
Arabella Advisorsarabellaadvisors.comConsultant281$56.4 Million+120259510202.3(6)
US-ASEAN Business Council, Inc.usasean.orgBusiness management consultant18<$5 Million+120228919115(2)
Electrification Coalitionelectrificationcoalition.orgBusiness management consultant37<$5 Million+12024489300—
Securing America's Future Energysecureenergy.orgNon-profit organization25<$5 Million+120246123603(2)
Electronic Tenant Solutionselectronictenant.comSoftware company25$7.1 Million+12023427090—
ZwillGenzwillgen.comLaw firm37$7.8M+120229635853(2)
Profilescareerprofiles.comEmployment agency26<$5 Million+120236341004.7(36)
Callahan & Associatescallahan.comBusiness management consultant25$8 Million+120222339204.6(7)
Making Cents Internationalmakingcents.comBusiness management consultant<25$8.6 Million+120278340904.8(5)

Frequently asked questions about 1111 19th Street Northwest, Washington, DC 20036

Who are the tenants at L St NW (1111 19th Street Northwest, Washington, DC 20036)?
Companies at L St NW (1111 19th Street Northwest, Washington, DC 20036) include McKinsey & Company, KPMG, Bain, Clutch, Mayer Brown, CGI, The National Bureau of Asian Research, The Brattle Group, plus 173 more listed on this page.
How many companies are located at 1111 19th Street Northwest, Washington, DC 20036?
181 companies are currently indexed at L St NW (1111 19th Street Northwest, Washington, DC 20036).
What kinds of businesses are at 1111 19th Street Northwest, Washington, DC 20036?
Tenants at this address operate mainly in Business management consultant, Business to business service, Attorney, Consultant, Law firm.
How current is this tenant list?
The tenant list for L St NW (1111 19th Street Northwest, Washington, DC 20036) was last updated on August 28, 2026.