What We Do: Snell & Wilmer is a corporate law firm with more than 400 attorneys in nine locations across the western United States and in Mexico. Our construction group provides a wide range of services to include; contract negotiations and claims; administrative hearings before local, state and federal agencies; review and preparation of construction contracts; mediation, arbitrations, trial and appellate work on construction cases; and prosecuting and defending delay, disruption, acceleration, scope of work, and other claims.