Company lists · Data refreshed September 2026

Top 15 Per diem staffing agencies based in Washington, United States

Name: Per diem staffing agencies based in Washington, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 14, 2026 34 companies tracked

RevenueBase identified 34 company matches for per diem staffing agencies associated with Washington, United States as of September 2026 and tracks 707 professional contacts across them, including 123 with verified work emails. Across the United States, Houston is the largest hub for this category (227 companies); Washington has 34.

This list covers company matches for per diem staffing agencies associated with Washington, United States, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 14, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Sep 14, 2026 How this list was built

34Companies

707Contacts tracked

123Verified emails

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The 15 largest per diem staffing agencies based in Washington, United States

Ranked by team size

Top 15 of 34 company matches for per diem staffing agencies based in Washington, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 14, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	The Midtown Group	Exact match	Washington, DC, United StatesHQ recorded Sep 14, 2026	n/a	327 contacts →
	Exact match “Founded in 1989, The Midtown Group pioneers 360-degree staffing services and solutions for organizations across both public and private sectors.” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
2	NRI Staffing	Exact match	Washington, DC, United StatesHQ recorded Sep 14, 2026	51-200	84 contacts →
	Exact match “NRI Staffing Resources helps organizations across the Washington, DC area connect with qualified professionals in administrative, accounting & finance, legal, healthcare, and…” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
3	Justinbradley	Exact match	Washington, DC, United StatesHQ recorded Sep 14, 2026	51-200	64 contacts →
	Exact match “JustinBradley is an award-winning, WBENC-certified strategic workforce solutions firm, consistently ranked among the top 2% of staffing companies nationwide, and a 12-time Best of…” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
4	The Ford Agency	Exact match	Washington, DC, United StatesHQ recorded Sep 14, 2026	n/a	56 contacts →
	Exact match “Since 1978, The Ford Agency has provided Washington’s competitive business market with unparalleled recruiting services.” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
5	Contact 1 INC	Exact match	Washington, DC, United StatesHQ recorded Sep 14, 2026	n/a	36 contacts →
	Exact match “Contact 1 is a local, woman-owned staffing and recruiting agency in the heart of Washington DC.” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
6	MB Staffing Services LLC	Exact match	Washington, DC, United StatesHQ recorded Sep 14, 2026	51-200	15 contacts →
	Exact match “Mb Staffing Services LLC is a results-oriented, precision placement firm serving a full spectrum of industries and staffing needs, including: administrative, financial, technical…” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
7	Proxy Personnel	Exact match	Washington, DC, United StatesHQ recorded Sep 14, 2026	51-200	15 contacts →
	Exact match “Proxy Personnel is an NMSDC/MBE, 8(a), and HUBZone certified staffing firm that quickly supplies highly skilled employees to various contract positions throughout the United…” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
8	4staff, LLC	Exact match	Washington, DC, United StatesHQ recorded Sep 14, 2026	1-10	10 contacts →
	Exact match “4Staff specializes in Temporary, Temp-to-Hire, and Direct Hire staffing in the Washington, DC metro area.” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
9	Above ALL Staffing	Exact match	Washington, DC, United StatesHQ recorded Sep 14, 2026	1-10	8 contacts →
	Exact match “For over fifteen years, Above All Staffing has provided dependable licensed, certified, and skilled employees for environmental and construction projects.” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
10	Palmer Staffing Services	Exact match	Washington, DC, United StatesHQ recorded Sep 14, 2026	51-200	6 contacts →
	Exact match “Palmer is a full service award-winning staffing agency offering temp, temp-to-hire and direct hire placements for clerical, administrative, records, accounting, HR, management…” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
11	Express Employment Professionals	Exact match	Washington, PA, United StatesHQ recorded Sep 14, 2026	1-10	5 contacts →
	Exact match “Express Employment Professionals is one of the top staffing companies in the U.S.” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
12	Respiranet Respiratory Care Network	Exact match	Washington, DC, United StatesHQ recorded Sep 14, 2026	1-10	5 contacts →
	Exact match “DELIVERING ON-DEMAND SOLUTIONS TO HEALTHCARE PROVIDERS RespiraNet helps organizations alleviate the costly and time consuming administrative burden of hiring and retaining quality…” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
13	Sage Business Services LLC	Exact match	Washington, DC, United StatesHQ recorded Sep 14, 2026	11-50	3 contacts →
	Exact match “SAGE Business Services, LLC offers quality staffing agency services to place the right people with the right jobs in the greater Washington D.C.” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
14	Hireroos	Exact match	Washington, DC, United StatesHQ recorded Sep 14, 2026	1-10	2 contacts →
	Exact match “From C-suite executives to dynamite support staff, we find the right professionals to support your workforce according to your specific needs.” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
15	Optimized Business Innovations	Exact match	Washington, DC, United StatesHQ recorded Sep 14, 2026	51-200	1 contacts →
	Exact match “Optimized Business Innovations, LLC is a human capital management firm that provides medical staffing solutions for hospitals, nursing homes, and medical practices.” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “per diem staffing agencies”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 15 of 34 per diem staffing agencies based in Washington, United States

See the full list, filter by size, metro and specialty, and access 123 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Per diem staffing agencies based in Washington, United States at a glance

As of Sep 14, 2026

17.4%Verified-email coverage

20.8Average contacts per company

1-10Median size (employees)

Sep 14, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

Email recency for this list is measured across the whole United States list rather than for Washington, so it is reported there. Company counts and contact totals on this page are exact for Washington, over 34 companies.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies: Company records associated with Washington, United States whose business descriptions match “per diem staffing agencies” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch: Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview: The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality: RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
Ranking: Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification: Every displayed company carries at least one verified work email. RevenueBase tracks 123 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh: This page's figures were pulled from the company graph on September 14, 2026. Lists refresh periodically as the graph is re-checked.
Record context: Company records and descriptions can change. Check the company's website for its current services and locations.

Per diem staffing agencies by metro in the United States

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “per diem staffing agencies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many per diem staffing agencies are there based in Washington, United States?

RevenueBase identified 34 company matches for per diem staffing agencies associated with Washington, United States as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

The Midtown Group tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city in the United States has the most per diem staffing agencies?

Houston leads the United States with 227 company records, followed by New York (212) and Dallas (152). Washington has 34.

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 123 professional contacts with verified work emails tracked across these 34 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 14, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.