Robert Simpson
Longbow Public Policy Group, Llc
robert@longbowpolicy.com
202-457-7756
3222 N Street NW, Suite 300, Washington, DC, 20007,
1) SIFF & ASSOCIATES, PLLC (OBO THE MECHANICAL CONTRACTORS ASSOCIATION OF AMERICA)
2) SIGNATORY WALL AND CEILING CONTRACTORS ALLIANCE
Last Updated: July 22, 2026
