christopher consultants, ltd.(ccl) is a full-service civil engineering, land planning, surveying, and landscape architecture firm. The firm is organized into six divisions (Land Development, Surveying, Public, Special Services, Corporate Services, and Maryland) and has four production offices in Fairfax, Loudoun, Prince William, Virginia and Columbia, Maryland. ccl provides services to clients in both the private and public sectors in the Mid-Atlantic and selected national and international locations.