United States

Top 27 largest US Companies in the Staffing & Employment Services industry by Market Cap

This is the list of the largest public listed companies in the Staffing & Employment Services industry from the United States by market capitalization with links to their reference stock.

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Top Staffing & Employment Services Companies from the United States as of Jan. 01, 2026

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Rank Company Market Cap (USD) Country Sector Industry
1 Automatic Data Processing, Inc. $102.44 B United States US Industrials US Staffing & Employment Services
2 Paychex, Inc. $38.98 B United States US Industrials US Staffing & Employment Services
3 Korn Ferry $3.48 B United States US Industrials US Staffing & Employment Services
4 Robert Half International Inc. $2.78 B United States US Industrials US Staffing & Employment Services
5 TriNet Group, Inc. $2.78 B United States US Industrials US Staffing & Employment Services
6 Upwork Inc. $2.63 B United States US Industrials US Staffing & Employment Services
7 ASGN Incorporated $2.04 B United States US Industrials US Staffing & Employment Services
8 Insperity, Inc. $1.46 B United States US Industrials US Staffing & Employment Services
9 ManpowerGroup Inc. $1.39 B United States US Industrials US Staffing & Employment Services
10 Heidrick & Struggles International, Inc. $1.23 B

(Dec. 1, 2025)

United States US Industrials US Staffing & Employment Services
11 Barrett Business Services, Inc. $934.8 M United States US Industrials US Staffing & Employment Services
12 Volt Information Sciences, Inc. $657.0 M United States US Industrials US Staffing & Employment Services
13 Kforce Inc. $582.7 M United States US Industrials US Staffing & Employment Services
14 ZipRecruiter, Inc. $316.0 M United States US Industrials US Staffing & Employment Services
15 Kelly Services, Inc. $305.3 M United States US Industrials US Staffing & Employment Services
16 Cross Country Healthcare, Inc. $264.0 M United States US Industrials US Staffing & Employment Services
17 HireQuest, Inc. $150.9 M United States US Industrials US Staffing & Employment Services
18 TrueBlue, Inc. $131.7 M United States US Industrials US Staffing & Employment Services
19 Mastech Digital, Inc. $82.5 M

(July 1, 2025)

United States US Industrials US Staffing & Employment Services
20 BGSF, Inc. $82.3 M

(July 1, 2025)

United States US Industrials US Staffing & Employment Services
21 BG Staffing, Inc. $81.5 M

(July 1, 2025)

United States US Industrials US Staffing & Employment Services
22 DHI Group, Inc. $78.3 M United States US Industrials US Staffing & Employment Services
23 GEE Group, Inc. $21.5 M United States US Industrials US Staffing & Employment Services
24 Staffing 360 Solutions, Inc. $5.6 M

(Jan. 1, 2025)

United States US Industrials US Staffing & Employment Services
25 NZJ Holdings, Inc. United States US Industrials US Staffing & Employment Services
26 HireRight Holdings Corporation United States US Industrials US Staffing & Employment Services
27 WeedHire International, Inc. United States US Industrials US Staffing & Employment Services

Top Staffing & Employment Services Companies from the United States as of Jan. 01, 2026

1. Automatic Data Processing, Inc.

Company Profile: Automatic Data Processing, Inc.
Market Cap (USD): $102.44 B
Country: United States
Sector: US Industrials
Industry: US Staffing & Employment Services

2. Paychex, Inc.

Company Profile: Paychex, Inc.
Market Cap (USD): $38.98 B
Country: United States
Sector: US Industrials
Industry: US Staffing & Employment Services

3. Korn Ferry

Company Profile: Korn Ferry
Market Cap (USD): $3.48 B
Country: United States
Sector: US Industrials
Industry: US Staffing & Employment Services

4. Robert Half International Inc.

Company Profile: Robert Half International Inc.
Market Cap (USD): $2.78 B
Country: United States
Sector: US Industrials
Industry: US Staffing & Employment Services

5. TriNet Group, Inc.

Company Profile: TriNet Group, Inc.
Market Cap (USD): $2.78 B
Country: United States
Sector: US Industrials
Industry: US Staffing & Employment Services

6. Upwork Inc.

Company Profile: Upwork Inc.
Market Cap (USD): $2.63 B
Country: United States
Sector: US Industrials
Industry: US Staffing & Employment Services

7. ASGN Incorporated

Company Profile: ASGN Incorporated
Market Cap (USD): $2.04 B
Country: United States
Sector: US Industrials
Industry: US Staffing & Employment Services

8. Insperity, Inc.

Company Profile: Insperity, Inc.
Market Cap (USD): $1.46 B
Country: United States
Sector: US Industrials
Industry: US Staffing & Employment Services

9. ManpowerGroup Inc.

Company Profile: ManpowerGroup Inc.
Market Cap (USD): $1.39 B
Country: United States
Sector: US Industrials
Industry: US Staffing & Employment Services

10. Heidrick & Struggles International, Inc.

Company Profile: Heidrick & Struggles International, Inc.
Market Cap (USD): $1.23 B (Dec. 1, 2025)
Country: United States
Sector: US Industrials
Industry: US Staffing & Employment Services

11. Barrett Business Services, Inc.

Company Profile: Barrett Business Services, Inc.
Market Cap (USD): $934.8 M
Country: United States
Sector: US Industrials
Industry: US Staffing & Employment Services

12. Volt Information Sciences, Inc.

Company Profile: Volt Information Sciences, Inc.
Market Cap (USD): $657.0 M
Country: United States
Sector: US Industrials
Industry: US Staffing & Employment Services

13. Kforce Inc.

Company Profile: Kforce Inc.
Market Cap (USD): $582.7 M
Country: United States
Sector: US Industrials
Industry: US Staffing & Employment Services

14. ZipRecruiter, Inc.

Company Profile: ZipRecruiter, Inc.
Market Cap (USD): $316.0 M
Country: United States
Sector: US Industrials
Industry: US Staffing & Employment Services

15. Kelly Services, Inc.

Company Profile: Kelly Services, Inc.
Market Cap (USD): $305.3 M
Country: United States
Sector: US Industrials
Industry: US Staffing & Employment Services

16. Cross Country Healthcare, Inc.

Company Profile: Cross Country Healthcare, Inc.
Market Cap (USD): $264.0 M
Country: United States
Sector: US Industrials
Industry: US Staffing & Employment Services

17. HireQuest, Inc.

Company Profile: HireQuest, Inc.
Market Cap (USD): $150.9 M
Country: United States
Sector: US Industrials
Industry: US Staffing & Employment Services

18. TrueBlue, Inc.

Company Profile: TrueBlue, Inc.
Market Cap (USD): $131.7 M
Country: United States
Sector: US Industrials
Industry: US Staffing & Employment Services

19. Mastech Digital, Inc.

Company Profile: Mastech Digital, Inc.
Market Cap (USD): $82.5 M (July 1, 2025)
Country: United States
Sector: US Industrials
Industry: US Staffing & Employment Services

20. BGSF, Inc.

Company Profile: BGSF, Inc.
Market Cap (USD): $82.3 M (July 1, 2025)
Country: United States
Sector: US Industrials
Industry: US Staffing & Employment Services

21. BG Staffing, Inc.

Company Profile: BG Staffing, Inc.
Market Cap (USD): $81.5 M (July 1, 2025)
Country: United States
Sector: US Industrials
Industry: US Staffing & Employment Services

22. DHI Group, Inc.

Company Profile: DHI Group, Inc.
Market Cap (USD): $78.3 M
Country: United States
Sector: US Industrials
Industry: US Staffing & Employment Services

23. GEE Group, Inc.

Company Profile: GEE Group, Inc.
Market Cap (USD): $21.5 M
Country: United States
Sector: US Industrials
Industry: US Staffing & Employment Services

24. Staffing 360 Solutions, Inc.

Company Profile: Staffing 360 Solutions, Inc.
Market Cap (USD): $5.6 M (Jan. 1, 2025)
Country: United States
Sector: US Industrials
Industry: US Staffing & Employment Services

25. NZJ Holdings, Inc.

Company Profile: NZJ Holdings, Inc.
Country: United States
Sector: US Industrials
Industry: US Staffing & Employment Services

26. HireRight Holdings Corporation

Company Profile: HireRight Holdings Corporation
Country: United States
Sector: US Industrials
Industry: US Staffing & Employment Services

27. WeedHire International, Inc.

Company Profile: WeedHire International, Inc.
Country: United States
Sector: US Industrials
Industry: US Staffing & Employment Services

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