There are many AEP firms. OHM Advisors is the only community advancement firm—designing award-winning work across the archit ... ecture, engineering, and planning spheres. We believe in the power of multidisciplinary teamwork to find ideas that aren’t just different – they’re better. With offices in multiple states, our 500+ person team partners with leaders at all government levels, school districts, developers, universities, and private companies to create great places. In addition to being one of Zweig Group’s Best Firms To Work, we are a three-time recipient of the American Council of Engineering Companies (ACEC/M) Firm of the Year Award, a three-time recipient of the Crain's Cool Places to Work in Michigan Award, a Columbus CEO Magazine Top Workplaces Award winner, an ENR Top 500 Firm and a 101 Best & Brightest Company by the Michigan Business & Professionals Association. read more