construction management

GBA is a single-source solution for Architecture, Engineering and Construction (AEC) innovation, from concept through completion. Backed by a team of affiliates and industry-leading experts, GBA delivers AE services and construction solutions for complex projects across markets including federal, industrial, life sciences, mission critical, municipal, site development, transportation, and water environment. Since 1984, GBA has focused on building systems with special requirements including data centers, telecom central offices, laboratories, correctional

architectureBuilding Code ServicesCMARcommissioningdesign-buildengineeringEPCFire and Life SafetyGISinspectionIPDLandscape ArchitecturePlanning and Studiessurveying

Pioneering Underground Energy Storage & Subsurface Injection We provide world-class services in underground storage, subsurface injection, and associated surface facilities that go further to solve your problems. Geostock Sandia: Leading Underground Injection Control, Energy & Carbon Storage Solutions North America's premier engineering firm for underground injection control (UIC) and carbon capture storage (CCS), delivering comprehensive Class I-VI injection well services, CO2 sequestration permits, and geological storage solutions across the United States and Mexico. Our Approach: Expert Underground Storage & Subsurface Injection Services for Energy Infrastructure With four decades of specialized experience, Geostock Sandia excels in underground injection control well design, construction, and operation. Our expertise spans carbon dioxide geological sequestration, Class VI permit.

carbon capture and storagedrilling and completionsEPA regulatory compliancefeasibility studiesgeological characterizationmechanical integrity testingproject managementreservoir analysissubsurface characterizationunderground injection controlwellbore design

GH Phipps is a Colorado-based, 100% employee-owned (ESOP) general contractor founded in 1952 by Gerald H. Phipps. It is one of the largest construction companies in the Colorado region, known for work in healthcare, education, high-tech, commercial, and municipal arenas, with four Front Range offices and additional Wyoming locations.

design-buildgeneral contractingPreconstructionself-performing worksustainable constructionturnkey concreteVDC/BIM

Gerhart Cole Inc. is a geotechnical engineering firm based in Midvale, Utah. The firm provides geotechnical design and engineering, dam engineering and safety, alternative delivery (design-build, progressive design-build, CM/GC), forensic engineering and expert witness services, geology and geologic engineering, foundation design and testing, and earth shoring design. Its expertise includes soil and rock mechanics, dams and dam safety, engineering geology, retaining walls, shallow and deep foundations, seismic risk assessments, ground improvement, slope

CMGCCross-hole sonic logging (CSL)Dam engineering and safetyDesign-Build (DB)Dynamic pile testing (PDA)Earth shoring designForensic engineering / expert witnessFoundation design and testingGeology and geologic engineeringGeotechnical design and engineeringGeotechnical instrumentationGeotechnical laboratory testingMicropile and soil nail testingPile integrity testing (PIT)Pre-construction video surveysProgressive Design-Build (PDB)project managementSPT hammer energy testingVibration monitoring

G. Greene Construction is a commercial general contractor and construction management firm serving Boston and New England. Since 1966, it has delivered construction and renovation projects in healthcare, higher education, life sciences, defense, energy, and site development environments, with in-house capabilities and an award-winning safety program.

3D Modelingconductor installationCost Estimatingdeep foundation excavationdemolitionexcavationgeneral contractingpermittingPreconstructionrisk assessmentschedulingself-perform workshoringsite developmentTesting and commissioningtest pittingtower erectionunderground distribution constructionutility installation

Ghirardelli Associates is a multi-disciplined organization providing transportation infrastructure and municipal services for State and Local Agencies. Launched in 1999 as a construction management firm, it now offers program management, municipal engineering, construction management, and public outreach services for transportation, community development, and public works projects.

constructability reviewCost Estimatingdocument controlinspectionlabor compliancemunicipal engineeringoffice engineeringprogram managementpublic outreachresident engineeringscheduling

GHP is an architectural, environmental, and construction services consultant that manages comprehensive project needs for the built environment. Founded in 1977, the company combines architecture, environmental insight, and construction expertise, with Certified Industrial Hygienists on staff and expertise in building sciences and indoor air quality. GHP is a certified Woman-Owned business serving clients nationwide from offices in Tennessee, Florida, Texas, Colorado, and California.

architectureasbestos abatementBuilding Enclosure AssessmentClean Demolitionemergency responseEnvironmental ServicesForensic Architecturehistoric architectureindustrial hygienelead abatementmold remediationowner's representationPre-construction servicesprogram managementproject managementRadon RemediationRisk mitigationSustainability consultingTank Investigation

Family of Companies Gilbane, Inc. is a global leader in construction and real estate development. As the parent company to Gilbane Building Company and Gilbane Development Company, we bring over 150 years of expertise and a client-focused team approach to every project. Gilbane operates throughout North America and internationally, with more than 45 offices worldwide. Leadership Vision and Values Family & History Gilbane Building Company is a global, comprehensive construction and facilities-related solutions firm. Building upon the success and proven track record of more than 150 years of experience, our best-in-class teams deliver complex, geographically dispersed projects across the U.S. and internationally. Strengthened by our global experience and depth of expertise, we bring the benefits of these experiences and adapt them to our local communities. Across the globe, our teams are.

design-builddisaster responseFacilities managementIntegrated Project Deliveryproperty managementpublic-private partnerships (P3)Real Estate DevelopmentSupply Chain Managementvirtual design & construction

Gilkar Design + Build is a family-owned boutique firm in the Northern Virginia area offering custom residential and commercial construction services, guiding clients from land acquisition through design and construction. With over 39 years of combined experience, they provide feasibility study, architectural design, engineering, permitting, selections, and construction under one roof.

architectural designengineering & designgrading plan designinterior finishes selectionlump sum general contractingowner representationpermittingreal estate consulting

Gilmore Construction is a Denver, Colorado-based general contractor established in 1997. It serves the Rocky Mountain region's public and private sectors with design-build, pre-construction, construction and interior finishes, and is described as one of Colorado's largest minority-owned commercial construction companies.

concrete and asphalt replacementdesign-buildelectrical workinterior renovationmechanical equipment replacementpaintingplumbing installationsPre-Constructionroofing replacementself-perform workwaterproofing

Ginno Construction is a commercial and residential builder based in Coeur d'Alene, Idaho, serving the Pacific Northwest since 1992 and incorporated in 1999. The company constructs office buildings, education facilities, retail spaces, multi-family housing, hospitality, light industrial, municipal and judicial buildings, prefabricated metal buildings, and custom residential homes. It self-performs concrete, carpentry, metal building erection, and installation of windows, doors, and specialty items.

carpentryConcretedesign-buildFinish Carpentrymetal building erectionpre-construction planningrenovation and tenant improvementwindow and door installation

GIVSCO Construction Company is a general contractor providing general and specialty contracting services in the Central Illinois area, specializing in painting, carpentry, and demolition. Founded in 2011 by Ronald A. Givens, Sr and Richard Scovil, it is a minority and veteran-owned business serving government projects, hospitals, utility companies, universities, and banks.

carpentrycommercial/industrial paintingdemolitionfloor coatingfloor epoxy paintinggeneral contractingmaterial supplyproject partneringquality control managementsandblasting

Glenmark is a full-service real estate acquisition, development, and management company headquartered in Morgantown, West Virginia, founded in 1984. Since then, Glenmark and its affiliates have acquired, designed, constructed, or financed over 25 million square feet totaling over $410 million in development projects.

acquisitiondesignfinancingleasingproperty managementReal Estate Development

GLH Construction is an infrastructure general contractor based in Windsor, Colorado, serving Northern Colorado since August 1996. The company grew from six employees to 65 and serves commercial, private sector, and residential projects across Weld, Larimer, Boulder, Morgan, and Adams counties.

asphalt street constructionboringcurb and gutter installationearthworkgeneral contractinglift station constructionopen-cut trenchingsewer and water line installationsidewalk constructionstorm drainageSubgrade Stabilizationutility installation

Hoff Construction is a licensed commercial construction company based in Loveland, Colorado, with over 30 years of experience as a general contractor, subcontractor, construction manager, and design builder in both the public and private sectors. Founded in 1984 by Greg Hoff, the company specializes in commercial and industrial construction and has worked in sectors including education, science, municipal government, and agriculture.

design-buildexcavationflatworkgeneral contractingsite concretesite workspecialty concrete constructionstructural concrete constructionutilities

Global Ace Construction is a Washington DC-based multi-trade subcontractor specializing in construction management and carpentry solutions for private sector and government contractors. Founded in 2013 as Aleman Construction, the company holds licenses in DC, MD, and Virginia and has received multiple ABC STEP safety awards.

carpentrycasework installationcountertop installationdoor and hardware installationoutdoor structure installationwindow installation

Global Construction USA is a general contractor specializing in the application of steel structures for the commercial and industrial industry, with over 40 years of construction experience. The company supplies and installs pallet racking systems, offers engineered rack repair products, pallet rack inspections, pre-engineered metal buildings, and construction management services.

engineering for load capacitiesgeneral contractingin-house designinterior designingmetal building design, supply and installpallet racking installationrack inspections

Global Geotechnical Consultants, LLC (Global) was founded in 2012 to provide innovative engineering solutions to clients in the Mid-Atlantic region including Virginia, District of Columbia and Maryland. Global is a minority owned business certified as a disadvantaged business by public agencies including VA DMBE, VDOT, DDOT and WMATA. It provides geotechnical engineering, construction material testing, retaining wall designs and Environmental Site Assessment Services (Phase I & II ESA).

concrete and asphalt coringconstruction material testing and inspectionenvironmental drillinggeotechnical drillinginclinometer and piezometer installationlaboratory testingrock coring

Globality Consultancy is a boutique independent advisory and management consultancy firm supporting Owners, Operators, and Executives with Infrastructure, Facilities Management, and Energy business functions. It specializes in Public-Private Partnership (P3) infrastructure, Operations & Maintenance (O&M), and energy performance, serving clients across the United States, United Kingdom, and EU from offices in Seattle, WA USA and Edinburgh, Scotland UK.

capital planningenergy consultingFacilities Management advisoryOperations & Maintenance advisoryoutsourcing operations and maintenancepublic-private partnership (P3) advisorytechnical cost consulting

G.M. Hill Engineering, Inc. (GMHILL) is a woman-owned small business founded in 2004 and headquartered in Jacksonville, Florida. It is a full-service architecture, engineering, and construction firm offering planning, architecture, interior design, structural engineering, project management, construction management, design-build, and general construction, specializing in public and federal sector facilities and infrastructure.

architecturedesign-buildfacility assessmentsfeasibility studiesgeneral constructionInterior Designmaster planningproject managementstructural engineeringSustainable Design

GMK Associates, Inc. is a multi-disciplinary planning, design, and construction services firm focused on the healthcare, education, government, utility, senior living, and hospitality industries. Established in 1966, the firm is based in Columbia, SC, with a satellite office in Augusta, GA. GMK employs close to 60 professionals and is comprised of five interrelated divisions — architecture, engineering, interior design, design-build, and construction services.

architectureConstruction ServicesCost Estimatingdesign-buildElectrical Engineeringengineeringfeasibility studiesfire protectionFurniture ProcurementHistoric PreservationInterior Designmaster planningMechanical EngineeringPlumbing EngineeringSpace Planningvalue engineering

Gokan Group is a privately owned luxury construction firm and South Florida General Contractor with nine years of experience in commercial and residential work. It delivers premium residential builds, high-end renovations, and construction management services, and can act as owner's representative from design and permitting through construction.

Boat liftscustom millworkdecksDocksfencinggeneral contractingground-up constructionImpact windows and doorsowner's representationPergolasPool buildoutsrenovationsroofingsidingwaterproofing

GZA is a multi-disciplinary, employee-owned firm providing geotechnical, environmental, ecological, water, and construction management services. GZA's more than 800 professionals are based in offices across the United States. The firm serves markets including agriculture, buildings and real estate development, energy, government, industrial, institutional, legal, transportation and infrastructure, and water.

Agronomy consultingBuilding and property condition assessmentEnvironmental site investigation and remediationgeotechnical engineeringHazardous building material assessment and managementLandscape ArchitectureLand use and environmental planningSustainability servicesWaterfront and coastal engineeringWater resources engineering

Golden Rise Contracting is a licensed general contractor (License# 1148288) serving commercial, residential, and public-sector projects. The California-based company provides construction, renovation, remodeling, and facility improvement services, managing projects from planning and construction through completion and ongoing maintenance. It also supports federal, Department of Defense, and state projects.

design-buildfacility maintenance and repairgeneral contractingquality controlremodelingrenovationschedulingsupervisiontrade coordination