design-build

Haag Construction is a locally preferred, full-service general contracting company located in Stroudsburg, Pennsylvania, servicing Stroudsburg, Monroe County, Allentown and surrounding areas. It provides design and drafting services, new construction, renovations, remodeling, and property maintenance for commercial and residential clients, and is described as fully licensed, certified, bonded, and insured.

carpentryconcrete workdesign and draftingelectricalframinggeneral contractinghardscapingHVACpaintingplumbingproject managementremodelingrestorationroofingtrenching

HACI Mechanical Contractors, Inc. is a full service mechanical contracting firm providing new construction HVAC and plumbing contracting since 1972. HACI Service, LLC provides commercial HVAC hourly service as well as commercial HVAC retrofit, remodel, and tenant improvement services. HACI specializes in design-build and design-assist projects across all of Arizona, with project experience including office, educational, healthcare, detention, hospitality, sports venues, government facilities, retirement facilities, and multi-tenant and condominium buildi

BIMCADCAMcommissioning and startupdesign assistHVAC contractingpiping and plumbing pre-fabricationplumbing contractingpreconstruction servicessheet metal fabrication

The Hagerman Group is a family-owned construction solutions provider based in Fort Wayne, Indiana, founded in 1908. It offers general contracting, construction management, design-build, program management, and development partner services, with self-performance in masonry, concrete, carpentry, and pre-engineered buildings. The company serves healthcare, education, industrial, corporate, and institutional markets throughout the Midwest and across the United States.

carpentryConcreteconstruction managementgeneral contractingmasonrypre-engineered buildingsprogram management

Haley & Aldrich is an environmental and geotechnical engineering consulting firm founded in 1957. Its consultants help clients address complex environmental, geotechnical, organizational, and community challenges across markets including aerospace, data centers, energy, government infrastructure, industrial and manufacturing, mining, and real estate.

construction managementDecommissioning and demolitionenvironmental consultingEnvironmental risk assessmentFlood controlgeotechnical engineeringground improvementsite characterizationSite remediation constructionstormwater managementTrenchless technology

Solutions Join the Team Purposed For People. Welcome to Halff, the full-service infrastructure consulting firm planned, designed, engineered, constructed—and purposed—for people. Since 1950, we’ve been creating smart solutions that improve lives and communities by turning ideas into reality. Our Solutions Join the Team Culture is Key Halff was founded on a core tenet: Focus on people, treat them well and success will follow. It’s no wonder, then, that our employees, and the culture they create, define us. We wouldn’t be who we are without the exceptional individuals who are keenly focused on providing outstanding service. Learn More Industry Leading Solutions Halff develops smarter solutions for a variety of market sectors. No matter the size or scope of the project, every one of our solutions is designed with a single purpose: our client’s success. View All Solutions Mobility Places.

civil engineeringcoastal engineeringconstruction engineering and inspectionElectrical Engineeringenvironmental impact studiesflood/risk assessmentsGeospatial serviceshydraulic and hydrologic modelingLandscape ArchitectureMechanical EngineeringNEPA documentationPlanningstructural engineeringsurveyingwetland delineation

Hal Hays Construction, Inc. (HHCI) is an award-winning general contractor and Native American owned Minority Business Enterprise providing design build and construction services. HHCI has over 30 years of experience and has delivered more than 1,450 civil and facility projects valued at over $1.0B, with 182+ employees and 700+ pre-qualified subcontractors.

demolitionemergency response servicesEnvironmental Servicesfacility maintenanceheavy civil constructionnew constructionpiping installationsewer systemsstormwater systemstenant improvementstreatment systemsutility construction

Hall Building Corp. (HBC) is a general contracting firm serving both public and private sectors in New Jersey, including Farmingdale, Howell Township, Wall Township, Colts Neck and Freehold. The company oversees the entire construction process from initial concepts and design to construction, completion, and occupancy, emphasizing safety and quality control.

construction managementCost Estimatingdesign reviewgeneral contractingpost-construction servicesPre-Constructionproject managementscheduling and planningSite Analysisturnkey managementvalue engineering

Hallsten Corporation designs and manufactures structural aluminum products for environmental, marine, and industrial applications. Founded in 1966 by John Hallsten, the company offers aluminum covers and BioFloor product lines for odor control at wastewater treatment plants, marine gangways, docks, and access structures, and industrial structures such as ladders, platforms, ramps, stairways, and bridges. Products are made in the USA and use interlocking aluminum components and weldless designs.

engineeringfabricationmodular structural systemsweldingweldless assembly

Hammers Construction is a design-build general contractor headquartered in Perham, Minnesota, in business since 1956. It provides commercial, industrial, and agricultural construction services to clients in Minnesota, North Dakota, and throughout the upper Midwest, and self-performs many critical phases of construction.

building maintenanceConcreteconstruction managementdemoFinish Carpentrygeneral carpentrygeneral contractingmasonryrepair workretrofitscheduled maintenancesite worksteel

HammerTime Construction Group is a licensed and insured residential and commercial general contractor with 20+ years of experience serving Westchester County, Yonkers, Bronx, and New York City. They offer design-build services, remodeling, renovations, and commercial build-outs, handling permits, inspections, and approvals through a structured process from consultation to final walkthrough.

Apartment Renovationsbasement finishingbathroom remodelingcommercial remodelingdeck buildingFull Home Renovationshandyman serviceshome additionsinterior remodelingkitchen remodelingOffice Build-Outsoutdoor kitchensPatio Enclosure InstallationPermit & Inspection CoordinationRestaurant Construction & Build-Outsretail constructionSunroom & Solarium Installationtenant improvements

Hamon Infrastructure is a Denver-based heavy/highway general contractor constructing major road and bridge projects in Colorado and New Mexico since 1990. The company describes itself as a best value provider with deep knowledge of local environmental and market conditions affecting highway construction in Denver, allowing it to minimize impacts to the traveling public while maintaining schedule and quality.

bridge constructionheavy/highway constructionpavement repairroad constructionshoring and excavationtraffic management

Hanco is a general contractor based in Hattiesburg, Mississippi, serving south Mississippi and the Pine Belt. Since opening in 1997, the company has built a legacy in commercial construction, delivering projects including university administration buildings and residence halls, hospitals, offices, churches, auditoriums, concert halls, nursing and assisted care facilities, and residences.

Budgetingcommercial constructionconstruction managementin-house designPre-Construction Consultationssafety management

Hander Inc. Plumbing and Heating was started in 1986, working in commercial plumbing and residential service. The company provides plumbing and heating service in commercial, industrial, institutional, and residential settings, plus HVAC and design, and building site and main-line utilities through Plains Utilities & Excavating. It offers 24/7 emergency service and serves Southeastern South Dakota, Rapid City, and surrounding areas.

emergency repairestimatingexcavationHVACplumbingpreventive maintenanceproject managementutility installationwelding

Hankins Construction is a family-owned commercial construction company serving St. Louis, MO, and the Midwest since 1945. Founded by George G. Hankins and E. Wade Hankins, it is now operated by the fourth generation and employs approximately 20 people. The company specializes in commercial construction, from interior renovations and remodeling to new ground-up projects, and is a Union Contractor.

commercial constructionconstruction managementgeneral contractinginterior renovationsnew ground-up constructionremodelingsustainable and energy-efficient materials options

Williams Construction Contractors (WCC) is a general contractor based in Norwood, Colorado, with almost 40 years of experience. Licensed in Colorado, New Mexico, and Utah, WCC offers general contracting, construction management, design-build services, aggregate, concrete products, and rental equipment, serving San Miguel, Montrose, and Ouray Counties.

aggregate deliveryconcrete and asphalt pavingconstruction managementexcavation and earthworkgeneral contractingtruckingutilities installation

Hannig Construction, Inc. is a general contractor and construction management firm in Terre Haute, Indiana, chartered on December 1, 1960. The company delivers commercial and industrial projects and assists clients in all phases of construction, from planning and design to complete construction and budgeting services.

architectural/engineeringBuild-Operate-Transfer (BOT)competitive bidconstruction managementgeneral contractingpost-build services and maintenancepre-engineered metal building constructionPublic-Private Partnership (P3)

Hanson Professional Services Inc. is a national, employee-owned consulting firm providing engineering, planning and allied services. The firm serves aviation, DOT/tollway, education, federal, healthcare, industry, municipal, power and railway markets, with particular depth in airport engineering, planning, construction support and consulting.

airport planningCivil designcommissioningconstruction supportconsultingenergy auditsengineeringgeotechnical servicesgrant writingPlanning

Happel & Associates is a full-service general contractor that emphasizes 'Building Quality Through Commitment.' The firm offers budgeting, pre-construction, construction, design-build, construction management, building systems analysis, custom millwork and CNC services, and IDIQ/JOC contracting. It has held long-term government contracts and completed historic restoration, institutional, industrial, medical, restaurant, retail, and tenant improvement projects, serving clients throughout the United States.

Budgeting/estimatingbuilding systems analysisCNC servicesconstruction managementcustom millworkgeneral constructionhistoric restorationIDIQ/JOC contractingpre-construction planning

Sigma Power Solutions LLC DBA Harb Electric International is a woman-owned US-based company providing electrical engineering, power infrastructure, and electro-mechanical automation solutions, with a focus on supporting US military logistics contracts in the US and EMEA. It is part of the Harb Electric family of companies and maintains partnerships with more than 100 brands.

engineeringEPCfabricationgeneral constructionmanufacturingprocurementquality assuranceshipping and installationtechnical supporttesting

The Belt Group, including Carl Belt, Inc., has provided commercial construction work since 1962, licensed in Maryland, Pennsylvania, Virginia, and West Virginia. The firm offers construction, roofing, paving, crane rental, and equipment rental, and manages projects from scheduling and permits through final as-built drawings.

commercial constructionconstruction managementcrane rentalequipment rentalpavingroofingsteel erectiontilt-up concrete construction

Harbor Construction Company, Inc. (HCCI), branded as Harbor Electrical Services, is a diversified professional Class A merit shop electrical contractor headquartered in Hampton, Virginia. Founded in 1999, it is one of the largest electrical contractors in Southeastern Virginia and is certified as a small business. It serves federal, commercial, industrial, and multifamily clients and is a member of Associated General Contractors (AGC).

cable boring and installationelectrical contractingexterior and security lighting installationgrounding systemsinterior electrical circuitslightning protectionmedium voltage installationtelecom cabling

Harbor Services Inc. is an 8(a) Certified Service Disabled Veteran Owned Small Business (SDVOSB) focused on government contracting. The company specializes in General Construction, Construction Management, and Design-Build services, with experience in Public Works and Commercial and Government Contracting. It performs full renovation and modernization projects throughout the southeast for government agencies, serving clients throughout the eastern United States.

abatementCommercial & Industrial Constructionconstruction managementConstruction Planning & Schedulingdemolitionelectricalfire sprinklergeneral constructionHospital ConstructionHVACplumbingquality control managementsafety complianceStructural Improvements

Harkins Builders is a 100% employee-owned construction firm founded in 1965, delivering multifamily, commercial, and government projects throughout the Mid-Atlantic and Southeastern US. The company provides preconstruction, construction, project controls, and warranty services, and has built over 600 projects since its founding.

constructionconstruction managementPreconstructionproject controls

Harper Construction Company, Inc. is a general contractor headquartered in San Diego, California, founded in 1974 by Ron Harper and now led by Owner and President Jeff Harper. The company specializes in design-build projects and has 50 years of experience delivering large and unique projects ahead of schedule and on budget, with dozens of LEED-certified projects.

building information modelingconstruction safetydesign managementgeneral contractingPreconstructionSustainability