What David Plummer & Associates does

David Plummer & Associates is a private, for-profit civil engineering and transportation planning consulting firm headquartered in Coral Gables, Florida, United States. Founded in 1978, the firm operates with a small team of 11-50 employees, indicating a boutique professional services model rather than a scaled engineering platform. Its functional role is to deliver civil engineering and transportation planning services, but the underlying technical components, project types, and client industries are not described in the available source data, as the company website (dplummer.com) was inaccessible at the time of collection and returned only a loading/verification screen.

The firm's business model appears to be conventional professional services consulting — revenue generated through hourly or project-based fees for engineering and planning engagements, most likely with public-sector clients (municipalities, county governments, state departments of transportation) and private developers in South Florida. No pricing models, contract structures, go-to-market channels, or customer segments are documented in the input data. There are no recorded funding rounds, acquisitions, partnerships, product launches, or leadership changes, consistent with a small, privately held firm operating without external capital or reported M&A activity.

The evidence base for any forward-looking assessment is thin. No revenue figure, headcount trend, geographic expansion signal, or technology stack is disclosed, and there are no management bios, certifications, awards, or patent/IP data. The website's inaccessibility further limits verification of any claims about service offerings. As a result, the investment-relevant inferences that can be drawn are limited to firmographic facts (1978 vintage, South Florida base, 11-50 headcount, civil/transportation focus), and any deeper analytical conclusions should be treated as low-confidence until direct data from the firm is obtained.

Name

David Plummer & Associates

Website

https://dplummer.com

Company type

Private

Founded year

1978

Headcount range

11–50 employees

Short description

David Plummer & Associates is a small, privately held civil engineering and transportation planning consulting firm founded in 1978 and based in Coral Gables, Florida, serving clients with a team of 11-50 employees.

Ownership category

akta.pro rank

Headquarters

HQ city

Coral Gables

HQ country

United States

HQ region

North America

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Marketing or Sales, Technology or R&D

Core offering

David Plummer & Associates is a civil engineering and transportation planning consulting firm that provides engineering and planning services to clients. The firm is headquartered in Coral Gables, United States, has been operating since 1978, and staffs 11-50 employees. Detailed service descriptions, project portfolio, and client references were not accessible from the firm website.

Differentiator

Problem solved

Functional benefit

Products and services

• Civil Engineering Consulting
• Transportation Planning Consulting

Ideal customer profiles1 record

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Recent moves1 record

Broad incumbents

• WSP USA: Major engineering professional services firm with strong transportation and infrastructure planning capabilities in Florida. Directly comparable service mix (transportation planning, civil engineering consulting) but a global incumbent.
• HDR Inc. Engineering, architecture, and consulting firm with a sizable transportation practice. Comparable as a transportation planning and civil engineering consultant, though substantially larger and more diversified.
• AECOM: Global infrastructure consulting firm with a major transportation planning and civil engineering practice. Comparable in service offering (transportation, civil, planning consulting) though an order of magnitude larger and serving public and private clients worldwide.
• Stantec: North American engineering, architecture, and environmental services firm with active transportation planning and civil engineering practices. Comparable in core service offering but operates at much larger scale.
• Kimley-Horn and Associates: One of the largest U.S. planning and engineering design consulting firms with a deep transportation planning practice and significant Florida presence; directly comparable as a civil engineering and transportation planning consultancy, though much larger and broader in scope.

Direct peers

• VHB: Engineering, planning, and design firm with deep roots in transportation planning, traffic engineering, and civil/site development — closely aligned with David Plummer & Associates' core services and East Coast municipal client base.
• RS&H: Employee-owned engineering, architecture, and planning firm headquartered in Jacksonville, FL with a strong transportation and aviation planning practice. Highly comparable regional competitor in Florida.
• Michael Baker International: Engineering, planning, and consulting firm with strong transportation and civil engineering practices serving public-sector clients. Directly comparable in service mix and client profile, though larger in scale.
• Gannett Fleming: Engineering and planning firm with a significant transportation practice including highway, transit, and traffic planning. Comparable in core civil/transportation consulting work and similar employee-scale band.

Emerging players

• Caltran Associates / Iteris: Transportation planning and intelligent transportation systems firm with overlapping civil and transportation consulting capabilities, especially around traffic and mobility planning. More technology-tilted but conceptually comparable.

Market position

Strengths3 records

Weaknesses4 records

Competitive moat2 records

Key risks4 records

Key highlights4 records

Customer concentration

• Xx.com/dplummernews

Revenue estimate

Valuation estimate

Number of profiles

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about David Plummer & Associates