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Hennessey Engineers Inc

Southgate, MI

General information for Hennessey Engineers Inc

Physical address
13500 Reeck Rd, Southgate, Mi, 48195
Mailing address
13500 Reeck Rd, Southgate, MI, 48195
Website
hengineers.com

Points of contact for Hennessey Engineers Inc

SAM.gov Points of Contact

Joan Hennessey
Government Business POC Electronic Business POC
President
13500 Reeck, Southgate, MI, 48173
John Hennessey
Alternate Government Business POC
Vice President
13500 Reeck, Southgate, MI, 48195

Additional contact details may be available

NAICS codes for Hennessey Engineers Inc

Code Description Small Business
541330 PRIMARY Engineering Services No
541360 Geophysical Surveying and Mapping Services Yes
541370 Surveying and Mapping (except Geophysical) Services Yes
541611
Administrative Management and General Management Consulting Services
Yes

Update history

2 change(s) tracked
Aug 7, 2026
Removed PSC H956 — OTHER QUALITY CONTROL, TESTING, AND INSPECTION- CONSTRUCTION AND BUILDING MAT…
Aug 7, 2026
Activation date: Aug 7, 2025 → Aug 6, 2026
Submission date: Aug 5, 2025 → Aug 5, 2026
SAM last-updated date: Aug 5, 2026 → Aug 6, 2026
Registration status: Inactive → Active
Registration expiration: Aug 5, 2026 → Aug 5, 2027
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