[["AXA XL Ltd.",2],["Armour Group Holdings Ltd.",2],["Progressive Casualty Insurance Co.",2],["The Travelers Cos. Inc.",2],["ABC Supply Co.",1],["Ace Hardware Corp.",1],["Air Evac Lifeteam",1],["Air Methods Corp.",1],["Alaska National Insurance Co.",1],["American Home Assurance Co.",1],["Arch Capital Group Ltd.",1],["Barrett Business Services Inc.",1],["California State Association of Counties",1],["Cemex, S.A.B. de C.V.",1],["Church Mutual Insurance Co.",1],["Conagra Brands Inc.",1],["ConocoPhillips",1],["ConocoPhillips Co.",1],["Danaher Corp.",1],["Farmers Insurance Group Inc.",1],["Gallagher Bassett Services Inc.",1],["Kelly Services Inc.",1],["Lincoln General Insurance Co.",1],["Lowe's Cos. Inc.",1],["Med-Trans Corp.",1],["Minnesota Life Insurance Co.",1],["Nationwide Mutual Insurance Co.",1],["Norcal Waste Systems Inc.",1],["Nutrien Ltd.",1],["Old Republic Insurance Co.",1],["PG\u0026E Corp.",1],["Republic Indemnity Co. of America",1],["Safeco Insurance Co.",1],["Safety National Casualty Corp.",1],["Securian Financial Group Inc.",1],["Sierra Pacific Industries Inc.",1],["State Compensation Insurance Fund",1],["The Davey Tree Expert Co.",1],["United Natural Foods Inc.",1],["Vanliner Insurance Co.",1],["Waste Connections Inc.",1],["Zurich Insurance Group AG",1]]