Contact Us

International Union of Operating Engineers, Local 99                      
9315 Largo Drive West, Suite 200                                                        
Upper Marlboro, MD  20774                                                               
Phone: (202) 337-0099     Fax:  (240) 716-3956



Local 99 Office Update

Due to the COVID-19 Pandemic, Regular Monthly Membership Meetings are postponed until further notice.

During this time, the Local 99 Officers and Executive Board will be attending Special Meetings, as needed, to ensure that the very critical and time sensitive matters of our Local continue to be addressed.


We will also continue to monitor and comply with our state and local governments' and will use this information to determine when our next, in person, Regular Union Meeting will occur.  Please stay safe and stay healthy.


We thank you for your consideration during these challenging times and urge you and your family members to read and follow the best practices for containing this virus.


For those Local 99 Members with Maryland Licenses -  please go to for an important notice regarding your license, registration or permit renewal dates - Occupational and Professional Licensing.


For those Local 99 Members with DC Licenses - The Department of Consumer and Regulatory Affairs (DCRA) will begin accepting renewal applications for occupational and professional licenses starting July 1, 2021. Enforcement of licensure will begin on September 1, 2021. Additional information will be issued in the near future.

Donald P. Havard, Business Manager - 202-337-0099, ext. 125

Lisa Jordan, Administrative Assistant - 202-337-0099, ext. 117

Mark P. Sexton, Assistant Business Manager - 202-337-0099, ext. 118

Olga Wynkoop, Administrative Assistant - 202-337-0099, ext. 110

Frank C. Barile, Business Representative - 202-337-0099, ext. 125

Central Pension Fund
Phone: (202) 362-1000 •

Raymond D. Stack, Business Representative - 202-337-0099, ext. 127

Decision Science
Phone: (800) 367-7848 •

Steven Ruppert, Business Representative - 202-337-0099, ext. 112
Mark R. Brandt, Training Coordinator - 301-909-0606
Eamon Clifford, Lead Organizer - 202-337-0099, ext. 128

Keith Graham, Organizer - 202-337-0099, ext. 123

Money One Credit Union
Phone: (301) 925-4600 •

Dawn Green, Accounting - 202-337-0099, ext. 116

Legal Services
Phone: (888) 993-8886


Union Privilege


CareFirst Customer Service
Phone: (800) 235-5160 •






©2013 International Union of Operating Engineers, Local 99