SGovernment & Public AgenciesSan Antonio Water SystemPublic Agency · TexasPublic utility focused on water supply and wastewater infrastructure in Texas.Water & WastewaterView profile →
SGovernment & Public AgenciesSan Diego County Water AuthorityPublic Agency · CaliforniaPublic utility focused on regional water supply infrastructure in California.Water & WastewaterView profile →
SGovernment & Public AgenciesSan Diego Metropolitan Transit SystemPublic Agency · CaliforniaTransit agency focused on public transit infrastructure, stations and fleet facilities in California.Rail & TransitView profile →
SCompaniesSan Francisco Bay Area Rapid Transit District (BART)Port / Transit Authority · Oakland, CARegional rail transit district with an official procurement portal for vendors, contractors and consultants to register and access solicitations.View profile →
SGovernment & Public AgenciesSan Francisco Municipal Transportation AgencyPublic Agency · CaliforniaTransit agency focused on public transit and municipal transportation infrastructure in California.Rail & TransitView profile →
SGovernment & Public AgenciesSanta Clara Valley Transportation AuthorityPublic Agency · CaliforniaTransit agency focused on public transit infrastructure, stations and fleet facilities in California.Rail & TransitView profile →
SCompaniesSargent & LundyPower and energy engineering · Chicago, Illinois, United StatesEngineer-owned global firm specializing in nuclear power, grids, renewables, storage and decarbonization.Nuclear energyElectric gridsRenewable energyView profile →Contact ↗
SCompaniesSavionPower & EnergyUtility scale solar and energy storage development.Energy & PowerView profile →
SCompaniesSchemeFlowTechnology · London, United KingdomTechnical report-generation software for engineering and environmental-review work on construction projects.Resilience & Climate InfrastructureView profile →
SCompaniesSchneider ElectricEnergy management, electrification and industrial automation · Rueil-Malmaison, FranceGlobal energy-technology company electrifying, automating and digitalizing buildings, data centers, infrastructure, grids and industry.BuildingsData centers and networksPower grids and infrastructureView profile →Contact ↗
SCompaniesSchweitzer Engineering LaboratoriesInfrastructure Technology · Pullman, WashingtonPower-system protection, control, automation, monitoring, communications and engineering services.Infrastructure TechnologyEnergy & PowerMaterials & ManufacturingView profile →Contact ↗
SCompaniesSempraPower & EnergyEnergy infrastructure and utility investments.Energy & PowerView profile →
SCompaniesShepherd RoboticsTechnology · San Francisco, CaliforniaRobotic systems for skilled tasks in data center construction and operations, electrical testing and electronics manufacturing.Data Centers & Digital InfrastructureView profile →
SCompaniesShimmickHeavy civil infrastructure construction · Irvine, California, United StatesPublic heavy-civil contractor focused on water, electrical and other critical infrastructure.Water and wastewaterElectricalTransportationView profile →Contact ↗
SCompaniesShiraz AITechnology · San Francisco, CaliforniaRobots designed to learn changing factory tasks from human demonstrations, combining hardware, AI models and deployment services.Industrial & ManufacturingView profile →
SCompaniesSiemensInfrastructure, industrial, mobility and digital technology · Berlin and Munich, GermanyGlobal technology company supplying electrification, automation, smart-building, grid, rail and industrial digitalization systems.Smart buildingsPower grids and electrificationRail and transitView profile →Contact ↗
SCompaniesSilicaTechnology · San Francisco, CaliforniaForce-sensing robotic actuators designed to give robots feedback about physical interactions.Industrial & ManufacturingView profile →
SCompaniesSinterTechnology · El Segundo, CaliforniaAdditive manufacturing and plastics production services that help hardware teams move from prototypes to production parts.Industrial & ManufacturingView profile →
SCompaniesSkanskaConstruction, project development, and infrastructure delivery · Stockholm, SwedenGlobal construction and project-development group operating across the Nordics, Europe, and the United States.TransportationBuildingsHealthcareView 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 →