Every fact below carries a source link and an as-of date. Informational only. Ownership statements are limited to primary announcements and filings.
- Headquarters
- Fort Worth, Texas, as listed by ENR in the 2026 Top 500 Design FirmsSource: enr.com/toplists/2026-top-500-design-fi… · As of 2026-10-05
- Website
- plummer.comSource: plummer.com · As of 2026-10-11
- Ownership type
- Ownership not published
Legal name, DBA and former names
- The firm was initially known as Alan Plummer and Associates, Inc.Source: plummer.com/about/about-us · As of 2026-10-11
Services and markets
- The firm provides coastal resilience, construction management, electrical, instrumentation and controls, environmental permitting, geospatial data, natural systems design, pipelines, pumping and storage, resilience, stormwater and flood management, telecommunications, wastewater treatment, water and energy efficiency, water planning, water quality modeling and permitting, water reuse, and water treatment services.Source: plummer.com · As of 2026-10-11
Leaders
- Ellen McDonald, VP of Operations.Source: plummer.com · As of 2026-10-11
- Brian Beach, Construction Management Services Practice Leader.Source: plummer.com/about/leadership · As of 2026-10-11
Deals
- 2022-01-31: Plummer acquired WATERMARK Engineering Group.Source: plummer.com/news · As of 2026-10-11
Rankings and awards
- Listed in the ENR 2026 Top 500 Design Firms.Source: enr.com/toplists/2026-top-500-design-fi… · As of 2026-10-05
News timeline
- 2026-10-05: Plummer opened a new office in West Palm Beach.Source: plummer.com/news · As of 2026-10-11
Sources of record
Ownership tag: Ownership not published. Profiles are informational, compiled from public sources linked above. Firms may request corrections. A listing is not an endorsement.
