Top 100 Staffing Companies in Riverside
The Best of October 2026Looking for a top staffing service in Riverside?
Staffing firms help fill gaps that can plague your growing business – short-term resources are almost always better than being short-staffed.
To assist you in your search for a partner, we’ve compiled this list of the top staffing companies in Riverside. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
List of the Best Riverside Staffing Services
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31Undisclosed50 - 249 employeesChino Hills, CAStaffing company Amtec was established in 1959. The team focuses on Staffing and Recruiting and is located in Chino Hills, California and Prescott, Arizona.Read More
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32Undisclosed50 - 249 employeesOntario, CAFull Steam Staffing is a Staffing company. Their midsize team is headquartered in Ontario, California. Their team provides Staffing and Recruiting.Read More
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33$25,000+10 - 49 employeesIrvine, CASpencer James Group, a Staffing company, was founded in 2003. Their small team is in Greenwood Village, Colorado; Atlanta, Georgia; Boston, Massachusetts and Charlotte, North Carolina and provides Staffing, Executive Search, Recruiting, HR Consulting, and more.Read More
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34Undisclosed10 - 49 employeesCovina, CALaunched in 2020, Techype is a software development company. Their small team is based in Covina, California. Their services include Custom Software Development, Web Development, Mobile App Development, Artificial Intelligence, and more.Read More
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35Undisclosed50 - 249 employeesGarden Grove, CAStaffing company PROMAX PERSONNEL LLC was launched in 2013. The agency offers Staffing and Recruiting, and is midsize.Read More
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36Undisclosed250 - 999 employeesLake Forest, CAResource Extension Inc. Is a Back Office Outsourcing company founded in 2011. The midsize team focuses on Back Office Outsourcing and Customer Service Outsourcing.Read More
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37$1,000+1,000 - 9,999 employeesIrvine, CAHR Consulting company TriNet is based in Dublin, California and Irvine, California. Their services include HR Consulting and PEO/Employee Leasing.Read More
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38Undisclosed10,000+ employeesAnaheim, CABaronHR is a large HR Consulting company. They provide HR Consulting and Staffing and were established in 2001.Read More
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39Undisclosed10 - 49 employeesRancho Cucamonga, CAClark and Company, an Executive Search company, was established in 1997. They focuses on Executive Search and Staffing.Read More
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40Undisclosed10 - 49 employeesIrvine, CAHeadquartered in Irvine, California and Irvine, California, Artemis is an IT staff augmentation company. Their services include IT staff augmentation and Executive Search.Read More
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41Undisclosed10 - 49 employeesMontclair, CAThe Right Choice Staffing is a Staffing and Recruiting company. Their small team is in Montclair, California. Their services include Staffing and Recruiting.Read More
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42Undisclosed250 - 999 employeesDiamond Bar, CALaunched in 2000, 24-Hour Medical Staffing Services, LLC is a Staffing and Recruiting company. In Diamond Bar, California, the team offers Staffing and Recruiting.Read More
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43Undisclosed50 - 249 employeesSan Dimas, CAJM Staffing - San Dimas, CA is a Staffing company. The firm is based in San Dimas, California. Their team focuses on Staffing.Read More
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44Undisclosed2 - 9 employeesCorona, CADiverse Careers, Inc is a Staffing and Recruiting company. They provide Staffing and Recruiting and were established in 2006. The company is in Corona, California.Read More
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45Undisclosed2 - 9 employeesOntario, CARegis Staffing Group is a Staffing and Recruiting company founded in 2017. The company provides Staffing and Recruiting.Read More
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46Undisclosed50 - 249 employeesIrvine, CATranscend Digital is a custom software development firm founded in 2017. The agency focuses on Custom Software Development and Web Development, and is midsize.Read More
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47Undisclosed50 - 249 employeesCosta Mesa, CASoloPoint Solutions is a Staffing company established in 2006. Their services include Staffing and Recruiting.Read More
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48Undisclosed250 - 999 employeesIrvine, CAPTS Advance, a Staffing and Recruiting company, is headquartered in Irvine, California. The team offers Staffing and Recruiting.Read More
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49Undisclosed50 - 249 employeesCovina, CAOlympic Staffing Svc, a Staffing and Recruiting company, is headquartered in Covina, California. They focus on Staffing and Recruiting and were established in 1983.Read More
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50Undisclosed250 - 999 employeesUpland, CAEstablished in 1993, Adex Corp is a Staffing company. The midsize team specializes in Staffing.Read More
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51Undisclosed50 - 249 employeesIrvine, CAMarquee Staffing, a Staffing and Recruiting company, was launched in 1989. The midsize team offers Staffing and Recruiting.Read More
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52Undisclosed50 - 249 employeesAnaheim, CAMidsize Staffing and Recruiting company Lyneer Staffing Solutions, is in Anaheim, California. The team provides Staffing and Recruiting.Read More
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53Undisclosed50 - 249 employeesRancho Cucamonga, CAInvero Group is a Rancho Cucamonga, California-based Staffing and Recruiting company. Established in 2001, the team provides Staffing and Recruiting.Read More
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54Undisclosed50 - 249 employeesSanta Ana, CAStaffing and Recruiting company Centerline Drivers LLC was established in 1975. Headquartered in Santa Ana, California, the team specializes in Staffing and Recruiting.Read More
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55Undisclosed50 - 249 employeesGlendora, CAFounded in 1956, Glendora Employment Agency, Inc. Is a Staffing and Recruiting company. Their team focuses on Staffing and Recruiting.Read More
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56Undisclosed10 - 49 employeesSan Dimas, CASignature Personnel is a Staffing and Recruiting company. They are headquartered in San Dimas, California and have small team. Their team focuses on Staffing and Recruiting.Read More
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57Undisclosed50 - 249 employeesOrange, CAWestways Staffing Services, a Staffing and Recruiting company, was established in 1992. The team provides Staffing and Recruiting and is in Orange, California.Read More
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58Undisclosed50 - 249 employeesIrvine, CALocated in Irvine, California, Kimco Staffing Services, Inc. Is a midsize Staffing and Recruiting company. The team focuses on Staffing and Recruiting.Read More
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59$1,000+50 - 249 employeesLos Angeles, CAWexpand is a Staffing company launched in 2019. Their midsize team is headquartered in Guadalajara, Mexico and Los Angeles, California. The firm focuses on Staffing, HR Outsourcing, PEO/Employee Leasing, Employer of Record (EOR) Services, and more.Read More
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60Undisclosed250 - 999 employeesIrvine, CAJWilliams Staffing is a midsize Staffing and Recruiting company headquartered in Irvine, California. The team provides Staffing and Recruiting.Read More
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