Top 100 Manufacturing Companies Staffing Companies in the United States

OnDeck Recruiting is a recruiting agency based in Halstad, Minn., and founded in 2017. With no more than 10 employees, they offer IT staff augmentation, HR services, and business consulting solutions for small and medium-sized agencies.

Insight Global, a HR agency, was established in 2001. Headquartered in Atlanta, Georgia; Birmingham, Alabama; Huntsville, Alabama and Phoenix, Arizona, their large team provides HR services.

Star Staffing is a staffing agency based in Petaluma, California, that was established in 1998. Their team of 143 offers HR consulting and outsourcing services.

Aerotek is a global recruiting and staffing agency based in Chicago, with other offices in Baltimore, Detroit, and Canada. Since their start in 1983, the company has grown into a team of nearly 20,000 HR consulting and outsourcing specialists.

Adecco is an HR solutions company based in Zurich, Switzerland, with additional offices in the United States, France, Italy, Spain, and India. It was founded in 1996 and currently employs a team of 33,000 specialists who exclusively provide HR consulting and outsourcing services.

Apollo Technical LLC is a staffing agency located in Smyrna, Georgia. Founded in 2010, their team of fewer than 50 serves companies in industries such as IT and manufacturing.

Kelly Services is a human resources outsourcing firm headquartered in Troy, Mich., with 15 global offices throughout the US, Europe, and Asia. Established in 1946, Kelly Services has grown into a team of over 10,000 employees. Their services revolve entirely around HR consulting and outsourcing. Kelly Services partners with a diverse client base that includes prominent global firms.

Ahead Human Resources is an HR services company based in Louisville, Ky. It was founded in 1995 and now has a team of 23 that provides HR consulting and outsourcing services for clients in the business & financial industries. 

Founded in 2001, Srisys Inc is an IT consulting and software development firm. Srisys Inc’s 65 employees can be found in its West Chester, Ohio headquarters or its additional offices in Cincinnati, Ohio and India. Srisys Inc provides voice/call center services, BPO and back office services, and HR consulting and outsourcing to the government and consumer and financial services companies.  

Bodhi Global Solutions is a consulting company based in Princeton, New Jersey. They have about 20 employees that focus on the healtchcare, consumer products, and manufacturing industries. They provide non-voice BPO/back office services, voice services, and HR consulting & outsourcing capabilities.

DPS Pro & Diversified Personnel Services is a midsize human resources agency. Based in Fort Atkinson, Wisconsin, the agency was founded in 1988. Their services include HR services.

Engineering company Sigma Design Inc is based in Camas, Washington; Kirkland, Washington; Vancouver, Washington and Pendleton, Oregon. The midsize agency was established in 1994. Their team focuses on engineering, product design, staffing, and contract manufacturing.

Magnum Staffing Services is a Houston, Texas-based HR firm. The company offers HR services, contract manufacturing, logistics & supply chain consulting, and warehousing & distribution and is midsize.The company was established in 1996.

TechIntelli Solutions is a staffing company founded in 2016. Their midsize team is headquartered in Irving, Texas. Their services include staffing, cybersecurity, IT managed services, and recruitment process outsourcing.

Atrium is a human resources agency. The New York, New York-based firm was founded in 1995. The midsize team provides HR services.

Kforce, a HR company, was established in 1962. The company specializes in HR services and has a large team.

Snelling is a Dallas, Texas-based human resources firm. The large agency was founded in 1951. Their services include HR services.

Diversified Industrial Staffing is a HR firm founded in 1997. The firm specializes in HR services and has a small team. The firm is headquartered in Troy, Michigan.

MDS Staffing is a HR company. The small team is based in Minneapolis, Minnesota. Their services include HR services.

Xemplar Workforce Solutions is a Salt Lake City, Utah-based human resources company. The company offers HR services and is midsize.The company was launched in 2013.

Sizemore, Inc. Is a Hoover, Alabama-based HR company. Launched in 1955, the large team provides HR services.

SoloPoint Solutions is a human resources agency based in Santa Clara, California and Costa Mesa, California. The midsize team specializes in HR services. The company was launched in 2006.

California Labor Force is a midsize human resources firm in Sacramento, California; Hayward, California and Huntington Park, California. Their services include HR services and accounting.

The XCEL Group is a human resources company based in Waukegan, Illinois. The large team focuses on HR services. The agency was established in 2012.

AM PM NATIONWIDE SECURITY INC., a staffing and recruiting company, was established in 2017. Based in Los Angeles, California, their midsize team focuses on staffing and recruiting.

Accurate Staffing, Inc. Is an Akron, Ohio-based staffing company. The agency offers staffing, recruiting, executive search, and hr outsourcing and is midsize.The agency was launched in 2007.

Recruitment process outsourcing company Johnson Service Group, Inc. Was established in 1984. Located in Westmont, Illinois; Atlanta, Georgia; Bedford, Texas and Calabasas, California, their large team provides recruitment process outsourcing, business consulting, and staffing.

Sterling Engineering is an engineering company. They are located in Westchester, Illinois and Baltimore, Maryland and have a midsize team. Their services include engineering, staffing, and recruiting.

Located in Edison, New Jersey and Burlington, Massachusetts, Joulé is a recruitment process outsourcing company. They offer recruitment process outsourcing, staffing, hr consulting, and business consulting and were launched in 1965.

Professional Recruiters is a human resources company. Their small team is headquartered in Sandy, Utah. Their services include HR services. The company was founded in 1977.