| Award | HWDRCW10, RC for Engineering Design | Design and Construction | Henningson, Durham & Richardson P.C. | $15.0M | Renewal | Jul 18, 2025 | 85022P0003009R001 |
| Award | HWDRCW09, Renewal of Requirements Contract for Engineering Design and Related Services for Large Infrastructure Projects, Citywide | Design and Construction | Henningson, Durham & Richardson P.C. | $5.0M | Renewal | Dec 6, 2024 | 85021P0003002R001 |
| Award | RQ_PV, On Call Emergency Contracts for Construction Work and Construction Related Services, Category 9: Supervision, Management and Administrative Services | Design and Construction | Henningson, Durham & Richardson P.C. | $36.0M | Renewal | Mar 20, 2024 | 85021P8067KXLR002 |
| Award | HWCRQ05C, REQUIREMENTS CONTRACT FOR RESIDENT ENGINEERING INSPECTION SERVICES IN CONNECTION WITH VARIOUS INFRASTRUCTURE PROJECTS, CITYWIDE | Design and Construction | Henningson, Durham & Richardson P.C. | $16.0M | Renewal | Aug 16, 2023 | 85021P8018KXLR001 |
| Award | RQ_PV, On Call Emergency Contracts for Construction Work for Category 9: Supervision, Management and Administrative Services | Design and Construction | Henningson, Durham & Richardson P.C. | $18.0M | Renewal | May 18, 2023 | 85021P8067KXLR001 |
| Award | HWDRCW10, RC for Infra. Fed Funded Design | Design and Construction | Henningson, Durham & Richardson P.C. | $30.0M | Competitive Sealed Proposals | Mar 14, 2023 | 85022P0003009 |
| Award | HWDRCW05, RENEWAL OF REQUIREMENTS FOR ENGINEERING DESIGN AND RELATED SERVICES FOR FEDERALLY FUNDED INFRASTRUCTURE PROJECTS, CITYWIDE | Design and Construction | Henningson, Durham & Richardson P.C. | $15.0M | Renewal | Mar 22, 2022 | 85018P8284KXLR001 |
| Award | RC for Engineering Design for Large Infrastructure Projects | Design and Construction | Henningson, Durham & Richardson P.C. | $15.0M | Competitive Sealed Proposals | Dec 8, 2021 | 85021P0003002 |