It is our pleasure to announce that Pro-Active Staffing is now a member of the United Staffing family! Pro-Active has been serving the Inland Empire of Colton, Lake Elsinore, & Rancho Cucamonga, CA. By combining our companies’ talents & resources, we can now serve our communities & businesses even better than before! Please stop by & visit one of the Pro-Active offices. They’re located at: 1027 Santo Antonio Dr., Suite A, Colton, CA 92324 | 31900 Mission Trail, Suite 110, Lake Elsinore, CA 92530 | 9336 Foothill Blvd., Rancho Cucamonga, CA 91730.