USA Company Profile [ PDF ] Providing Comprehensive Staffing Services United Staffing Associates is a privately owned full-service staffing company. Headquartered in San Luis Obispo, California, we also have branch locations in Paso Robles, Santa Maria, Oxnard, Visalia, Porterville, California and Las Vegas, Nevada. We are engaged in every aspect of the employment industry, including staffing, hiring, recruiting, human resources, safety training, consulting, skill testing, and more. The industries we serve include office administration, financial operations, customer service, manufacturing, construction, maintenance, landscaping, warehouse and distribution, accounting, production, hospitality, viticulture, labor, medical, legal, information technology, agriculture, and many others. We began August 19, 2002 from modest accommodations in Templeton, California, but quickly outgrew the space and officially moved our first location to Paso Robles, California the following year. Our quest to raise the bar in the staffing industry quickly resulted in success. With hard work and determination we expanded to six more locations and planted our roots in each. Supporting, residing, and fostering relationships in each community we serve, the slogan "United We Staff" became an anthem we proudly proclaim.