Building Engines | 8,796 followers on LinkedIn. Building Engines, a JLL company, improves net operating income across the world’s most successful commercial real estate (CRE) portfolios. Our customers increase revenue, deliver the best occupant experience, and reduce operating costs with Prism – the industry’s most innovative and powerful building operations platform. Founded in 2000 with offices in Boston (HQ), New York City, and Dallas, Building Engines is committed to helping CRE companies solve long-standing operational problems.