The Riverside Company, a global private investor focused on the smaller end of the middle market, completed the investment in PaleoWest, a Phoenix-based cultural resource management consulting firm. Financial terms were not disclosed. "PaleoWest has significant growth potential thanks to its outstanding management team, regulatory driven demand, and commitment to providing quality service. We are excited to partner with the PaleoWest team through its next phase of growth," Loren Schlachet, Riverside Managing Partner.