Post Office Box 6147   Columbia, Maryland 21045   

(443) 367-3557 (Voice)            (443) 367-3558 (Fax)          71.179.23.102 (Videophone IP)



Thank you for your interest in securing superior quality Sign Language Interpreting Services!   Diversified Sign Language Services, LLC has been providing interpreting services locally, regionally, and internationally since 1991.

Mr. Morrison is a direct-hire freelancer and networks exclusively with freelance interpreters in private practice.  Although we are primarily based in Columbia, Maryland, our network extends throughout the entire United States, Canada, and the Caribbean. 

In addition to specializing in Legal Settings which includes trial experience, jury duty, grand jury, arraignments, hearings, depositions, attorney-client meetings, wills, Social Security Application & Review, etc. specific expertise is also available in the following settings: 

In addition to providing interpreting services, Mr. Morrison is an interpreter educator and has taught interpreting at the Post-Secondary level annually since 2000.  Additionally, we have provided mentoring services to certified and pre-certified interpreters and have assisted dozens of individuals to receive national certification from the Registry of Interpreters for the Deaf (RID). 

For more information or to request interpreting services, please contact us at any of the numbers listed above.  You may also contact us at  mail@diversifiedsls.com or mm@markmorrison.net.