ICF International Share: Environment, Conservation & WildlifeAttorneys ICF International Visit Website 630 K Street STE 400 Sacramento, CA 95814 (916) 737-3000 (916) 737-3030 (fax) LinkedIn Facebook Twitter YouTube GooglePlus About Map About ICF International has more than 250 staff in Sacramento, and is one of the largest private employers in downtown Sacramento. The Sacramento Business Journal has ranked us the largest environmental con What's Nearby? Distance: 5 10 15 20 25 50 mi.