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Gall Zeidler Consultants

Ashburn, VA

Innovative tunnel, geotechnical, and underground engineering solutions

WebsitePhone10 offices7 projects3 leaders7 credentialsUpdated Jun 2026

Project: Potomac River Tunnel

Service: Tunnel and Underground Engineering DesignService: Reference and Detailed DesignService: Design Concepts, Options and FeasibilityIndustry: TunnelsIndustry: TransitType: Civil Engineering+25 more
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MJ2 Consulting, PLLC

Bannockburn, IL

Construction Materials Engineering and Problem Solving

Website2 offices12 projects4 leaders1 credentials5 publicationsFounded 2017

Project: New Tappan Zee (Cuomo) Bridge

Service: Concrete Materials ConsultingService: Concrete Mixture OptimizationService: Durability and Service-Life AssessmentIndustry: BridgesIndustry: TunnelsType: Materials Engineering+36 more
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WSP

Montreal

Redefine Potential

Website1 office1 leadersFounded 1993Updated Jun 2026

Service detail: Buildings and Built Environment

Service: Buildings and Built EnvironmentService: Acoustics and VibrationService: Building EnclosuresIndustry: AviationIndustry: CommercialType: Acoustic Consulting+100 more
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WSP USA

Montreal, QC

Redefine Potential

Website1 office7 projects1 leaders1 credentialsSize Estimate: 50,000+ employeesUpdated Jun 2026

Project: Franklin-98 Living Shorelines

Service: Property and BuildingsService: MEP EngineeringService: Structural EngineeringIndustry: TransportationIndustry: Water SupplyType: Acoustic Consulting+100 more
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