Cumberland Valley Analytical Services, Inc | 2,065 followers on LinkedIn. Laboratory services for agriculture, from the field to the feedbunk! | Cumberland Valley Analytical Services (CVAS) was started in 1994 as a small chemistry forage lab serving the local dairy industry in Maryland and south-central Pennsylvania. Beginning with only 800 square feet of leased space and one employee our main facility now encompasses over 33,000 square feet dedicated to agricultural materials analysis. CVAS employs over 90 people in its Waynesboro facilities and has satellite locations in Batavia, NY, Zumbrota, MN, and Madison, WI.