Public engineering firm directory

Find engineering consulting firms by capability and location.

Search engineering firm profiles built for buyers who need a shortlist, not a sales pitch.

Filters2

Environmental Science Corporation

Honolulu, HI

Environmental Science Corporation (ESC) is a US-based multinational engineering and consulting practice. It provides architect-engineering design, geotechnical engineering, geophysics, topographic surveys, technical inspections, and environmental services across Hawaii, Guam, Japan, and other Pacific locations. With offices in Tokyo, Okinawa, Misawa, and Guam, ESC supports military and government facility engineering, Pacific island infrastructure development, and multilingual project execution.

Website6 offices3 projects7 leadersSize Estimate: 25-150 employeesUpdated Jun 2026

Project: Okinawa Branch Office Solar Installation

Service: Architect-Engineering DesignService: Civil DesignService: Sustainable Design DevelopmentIndustry: DefenseIndustry: GovernmentType: Architecture & Engineering+42 more

OYO Corporation, Pacific

Guam, GU

Doctor to the Earth

Website1 officeFounded 2010Updated Jun 2026

Service detail: Geotechnical Engineering

Service: Geotechnical EngineeringService: Geotechnical investigationService: Subsurface explorationIndustry: DefenseIndustry: FederalType: Civil Engineering+27 more