Contact Us ABC Laboratories operates two locations in Columbia, Missouri and our wholly owned subsidiary, Morse Laboratories, located in Sacramento, California. ADMINISTRATION 800.538.5227 (phone) 573.777.6033 (fax) >send an email DISCOVERY RIDGE RESEARCH PARK 4780 Discovery Drive Columbia, Missouri 65201 >Download map and driving directions ORIGINAL CAMPUS 7200 E. ABC Lane Columbia, Missouri 65202 >Download map and driving directions