SCompaniesSorcererTechnology · San Francisco, USHigh-altitude balloon sensor networks that collect atmospheric observations to support weather forecasting.Resilience & Climate InfrastructureView profile →
SCompaniesSound TransitPort / Transit Authority · Seattle, WARegional transit agency procuring architectural and engineering services, construction, maintenance, equipment, materials, technology and professional services.View profile →
SGovernment & Public AgenciesSouth Carolina Department of TransportationPublic Agency · South CarolinaState transportation agency focused on highway and bridge infrastructure in South Carolina.Roads & BridgesTransportationView profile →
SCompaniesSouth Carolina Ports AuthorityPort / Transit Authority · Mount Pleasant, SCPublic port authority operating seaport and intermodal facilities, with an official procurement department and supplier resources.View profile →
SGovernment & Public AgenciesSouth Dakota Department of TransportationPublic Agency · South DakotaState transportation agency focused on highway and bridge infrastructure in South Dakota.Roads & BridgesTransportationView profile →
SCompaniesSoutheastern Pennsylvania Transportation Authority (SEPTA)Port / Transit Authority · Philadelphia, PARegional transportation authority with an official eProcurement system for vendor registration and participation in its purchasing process.View profile →
SCompaniesSouthern CompanyPower & EnergyElectricity generation and utility operations.Energy & PowerView profile →
SGovernment & Public AgenciesSouthern Nevada Water AuthorityPublic Agency · NevadaPublic utility focused on regional water supply infrastructure in Nevada.Water & WastewaterView profile →
SCompaniesSouthwireMaterials & Manufacturing · Carrollton, Georgia, United StatesWire, cable, electrical products and grid services for utilities and critical infrastructure.Electric utilitiesPower generationRenewable energyView profile →Contact ↗
SCompaniesSpaceFlow Technologies, Inc.AI-native procurement services · San Francisco, California, United StatesManaged, AI-native procurement operations for physical-goods businesses using their existing systems.ProcurementSupply chainLogisticsView profile →Contact ↗
SCompaniesSpaceium IncTechnology · Ottawa, CADeveloping automated orbital infrastructure for spacecraft refueling and repair using modular robotic systems.Space InfrastructureView profile →
SCompaniesSPX TechnologiesTechnology · Charlotte, North CarolinaCharlotte-based supplier of HVAC, utility inspection, navigation and transit fare-collection technologies.Infrastructure TechnologyWater & WastewaterRail & TransitView profile →
SCompaniesSquidTechnology · London, United KingdomA browser-based, versioned model repository and planning system for power networks.Energy & PowerElectric UtilitiesGrid PlanningView profile →Contact ↗
SCompaniesSTACK InfrastructureData center infrastructure · Denver, Colorado, United StatesGlobal developer and operator of hyperscale, colocation and powered-shell data center infrastructure.Digital infrastructureData centersEnergy and power infrastructureView profile →
SCompaniesStanley ConsultantsEngineering, design and program management · Muscatine, Iowa, United StatesEmployee-owned engineering consultancy delivering full-life-cycle energy, water, transportation, federal, industrial and data-center projects.Energy and powerWater and wastewaterTransportationView profile →
SCompaniesStantecEngineering & Design · Edmonton, Alberta, CanadaEngineering, architecture and environmental consulting.TransportationWater & WastewaterBuildingsView profile →
SCompaniesStarcloudTechnology · Seattle, USDeveloping orbital data centers to provide GPU computing in space.Space InfrastructureView profile →
SCompaniesSterling InfrastructureConstruction · United StatesSterling Infrastructure: e-infrastructure, transportation and building solutions.Construction & EngineeringView profile →
SCompaniesStructured AITechnology · New York City, New YorkAI quality-review tools for technical drawing packages, with checks against firm standards and relevant codes.Construction & EngineeringView profile →
SCompaniesSTVInfrastructure planning, engineering, design, and program delivery · New York City, New York, United StatesNorth American professional services firm advising, planning, designing, and delivering infrastructure.TransportationBuildings and facilitiesWater and wastewaterView profile →
SCompaniesSubmerFull-stack AI infrastructure, liquid cooling, data centers and GPU services · Barcelona, SpainFull-stack AI infrastructure group spanning liquid cooling, data-center development, modular systems and GPU services.AI infrastructureData centersLiquid coolingView profile →
SCompaniesSubVysionTechnology · San Francisco, CaliforniaUnderground utility mapping that combines survey sensors and software to help crews understand subsurface conditions before excavation.Construction & EngineeringView profile →
SCompaniesSUEZUtility · InternationalSUEZ: water treatment, waste management and environmental services.Water & WastewaterView profile →