HENNINGSON, DURHAM & RICHARDSON ARCHITECTURE AND ENGINEERING, P.C.

Lobbying Spend

—

Filings

Firms Hired

Active Period

2019–2026

Lobbying Spend by Year

Client-reported lobbying expenses on LDA filings

Year	Lobbying Spend	Filings	Firms
2026	—	3	1
2025	—	5	1
2024	—	4	1
2023	—	4	1
2022	—	4	1
2021	—	6	1
2020	—	5	1
2019	—	5	1

Lobbying firms retained by this client; amounts are client-reported expenses when available

Firm Name	Reported Spend	Filings
CONSTANTINOPLE & VALLONE CONSULTING LLC	—	36

Government entities explicitly identified as targets in LDA filings

Government Body	Filings
HOUSE OF REPRESENTATIVES	9
SENATE	1

Most frequently reported lobbying issues

Issue Code	Description	Reports
Real Estate/Land Use/Conservation	Real Estate/Land Use/Conservation	8
Manufacturing	Manufacturing	2
Roads/Highway	Roads/Highway	1

HENNINGSON, DURHAM & RICHARDSON ARCHITECTURE AND ENGINEERING, P.C. — Lobbying Disclosure | Poliscope