dam construction

Adams Construction, headquartered in Arapahoe, Nebraska, began in 1946 when Don Adams purchased a WWII track-type tractor with a dozer. The family-owned business specializes in grading and culverts and offers many other services, with projects across Nebraska, Kansas, Colorado, Oklahoma, and Texas. Its scope ranges from building farm terraces to grading miles of highway.

airport constructionculvert installationearthmovinggradinghighway constructionrail line construction

Alaska Aggregate Products, LLC (AAP) is a heavy civil contractor operating in Alaska and Washington since 2009, serving private and government clients with a focus on the mining and resource development industries. AAP specializes in remote earthworks projects and major mine infrastructure, emphasizing safety, quality, and competitive pricing.

concrete batching and placementcontract miningearthworksHDPE pipingheap leach pad constructionland clearingreclamation

Allegheny Construction Co. Inc. was founded in 1963 and is a Class A Heavy/Highway General Contractor licensed in Virginia, North Carolina, and Tennessee. The company has completed projects including site preparation for industrial parks, bridges, dams, landfills, highways and interchanges, and has extensive Department of Transportation experience working with small towns, counties, and cities. It has also undertaken sensitive historic restorations and modern engineering challenges, and received the 2006 Ecological Excellence Award for Construction for t

bridge constructionheavy/highway general contractinghighway and interchange constructionhistoric restorationlandfill constructionsite preparation

The Story – ASI & BACC ASI HISTORY Mark Servidone has nearly 40 years of experience in the construction industry managing and estimating the construction of millions of dollars’ worth of major projects in the Tri-State area, including roads, bridges, railroads, landfills and dams. Prior to becoming President of A. Servidone, Inc. in 1985, Mark worked for Servidone Construction as a laborer, foreman and superintendant under the guidance of his father, Joseph A. Servidone, who passed down his vast knowledge, experience and work ethic to Mark, turning him into the hands-on President and owner of the company that he is today. Under Mark Servidone’s leadership, A.Servidone, Inc. has garnered its own reputation of excellence and expertise in the construction field. Through its’ partnership with B.Anthony Construction Corp., Mr. Servidone has diversified the company in its comprehensive.

bridge constructionconcrete workconstruction managementdesign-buildflood control constructionhighway constructionlandfill constructionmass earth and rock excavationmechanical rock removalpile drivingrock anchor installationrock fence installationrock removal by drilling & blastingtrucking

ASI Construction LLC (ASI) is a self-performing heavy-civil contractor specializing in the construction and rehabilitation of dams, hydroelectric and renewable energy facilities, pipelines, and other major water resource projects. ASI personnel have constructed over 185 dam and water resource projects, including 40 new dams and 118 dam rehabilitation projects. ASI is a wholly-owned subsidiary of Shaft Drillers International LLC, based in Mt. Morris, Pennsylvania.

aggregate production and processingconcrete demolitionconcrete formwork and placementconcrete productiondam rehabilitationdewateringearthworkfoundation preparationpipeline constructionreinforcing and structural steel erectionriver diversionrock excavation and blastingroller compacted concrete (RCC) construction

Barnard Construction Company, Inc. is a large heavy-civil construction company with 50 years in business, founded by Tim Barnard as a 25-year-old contractor. The company delivers complex projects across North America, including dams, reservoirs, water transmission, hydropower, power transmission, underground tunneling, oil and gas pipelines, and environmental construction.

ash pond capping and closureconventional concretedrill and blastdust mitigationengineer procure constructEPB machineshigh-voltage transmission line constructionin-water constructionpipeline constructionProgressive Design-Buildreservoir constructionriver restorationroller-compacted concreteslurry machinesspecialized earthworksubstation constructionTBM tunneling

Blackstone Contractors is a Woman Owned, diversified specialty contracting company certified DBE with MNUCP, S/WBE with CERT, and TG with the Dept of Admin. Based in Loretto, MN, it provides commercial and industrial concrete and earthwork projects, with a team of earthwork and concrete contractors and tradesmen with more than 120 years of collective experience.

concrete constructionearthworkEnvironmental Remediationexcavationgradingsoil stabilizationstreetscapingtrail construction

Chemung Contracting Corporation is a heavy civil and highway construction company and material supplier in the Mid-Atlantic region, providing services for transportation, marine, airports, dams, and site development infrastructure. It is part of the Dalrymple Companies, a fourth-generation family owned company started in 1902. It operates quarries and asphalt plants in Gainesville and Mitchells, Virginia.

AASHTO accredited laboratoriesairport constructionasphalt manufacturingbridge constructioncrushinghighway constructionmarine constructionquarryingsite development

CONAM Construction Company is a full service general contractor headquartered in Anchorage, Alaska, supporting the Oil & Gas and Mining industries with Engineering, Procurement, Construction, and Maintenance Services. It began operations in Alaska in late 1984 and is a subsidiary of Quanta Services, Inc. Its Mining Division was formed in 2014, serving major mines in Alaska and the Western United States.

constructionengineeringfacility installations and modificationsfiber optic cable installationgeneral contractingHDPE & steel pipelinesliner installationmaintenancematerial crushing & processingmicrowave system installationmodule fabricationmulti-plate tunnelspipeline repair and rehabilitationpower plant constructionprocurementspecialized civil constructionwater/wastewater construction

Connolly-Pacific Co. is a vertically integrated rock quarrying and marine construction company that sells rock products and provides marine construction services in Southern California, primarily from Los Angeles to San Diego. Originally incorporated in 1946 and operating since the early 1930s, it is a wholly owned subsidiary of Knife River Corporation.

dredginglandfill constructionland reclamationmarine constructionrock quarryingterminal constructiontunnel construction

Crowder is a family and employee-owned general contractor serving the southeastern United States. Founded in 1947 as a small concrete company in the Carolinas, it builds infrastructure including bridges, dams, highways, water and wastewater facilities, industrial and power facilities, and alternative energy facilities such as solar and biomass. Crowder self-performs civil, electrical, and mechanical trades and offers design-build, CMAR, traditional bid, and EPC delivery.

bridge constructionConstruction Manager At-Riskdesign-buildEPCfabricationhighway constructionindustrial constructionpower facility constructionrenewable energy constructionself-perform civil tradesself-perform electrical tradesself-perform mechanical tradeswater and wastewater facility construction

Eden Hills Land Management is a veteran-owned, owner-operated land management company based in Albany, Ohio, serving private landowners in SE Ohio. It provides land clearing, custom pond construction, and wildlife habitat improvement services, drawing on a background in wildlife management, forestry, and earthmoving.

clearing and grubbingerosion controlfood plot installationinvasive species controlland clearingmechanized mulchingnative seedingpond excavationrough and finish gradingselective thinningspillway designstump and root removal

ESCO Construction is a 100% employee-owned turnkey general contractor based in Evergreen, Colorado, serving Colorado's Front Range since 1944. It provides earthwork, underground utility installation, and concrete services on complex public works and commercial/industrial development projects in Colorado and surrounding states. In 2026 ESCO joined ESS Companies (ESSC), a 100% employee-owned enterprise.

cast-in-place drainage structuresconcrete flatworkconcrete pavingcrushing and screeningearthworkexcavationfine gradinggeneral contractinggroundwater managementmass gradingroad and bridge constructionrock excavationshoring solutionsunderground utility installationvalue engineering

E.T. & L. Corp. is one of Massachusetts' leading heavy construction firms, founded in 1945. The company specializes in the advancement and construction of highways, roads, bridges, landfills, site development and environmental projects, and has also undertaken specialty projects from airports to bridges on private islands. With over 75 years of experience, it has a reputation for constructing quality projects on time.

bridge constructionenvironmental projectsheavy constructionhighway constructionlandfill constructionsite development

Heeter Geotechnical Construction Who We Are Heeter Geotechnical Construction LLC (HGC) is a heavy civil contractor specialized in the construction and rehabilitation of dams and other water resource projects. Since its inception, HGC has executed projects throughout the US for the clients we service.Our History HGC’s origins date to 1969 when Dave Heeter formed Heeter Construction Inc. with one D4 dozer and a flatbed truck! Since that time, “Heeter Construction” has grown into a multi-faceted Heavy Civil General Contractor capable of handling the most complex projects and toughest industry challenges.In November of 2014, Heeter Construction Inc. was acquired by Shaft Drillers International LLC (SDI), resulting in HGC joining the SDI family of companies.HGC has the ability to handle any project of any size while still staying true to our principle of taking pride in our work and our.

dam rehabilitationdrilling and blastinggrout curtain cutoff wall installationgrouted steel pipe pile installationhigh capacity anchor installationline drillingoverburden excavationplatform fabrication and erectionprecision presplittingrock excavationshotcrete slope stabilizationsoil nail installation

Brennan is a fourth-generation, family-owned marine construction company founded in 1919 along the Mississippi River. It designs and delivers solutions for complex maritime, environmental, and infrastructure challenges above, along, and below the waterline, serving public and private owners of water-based infrastructure across coastal and inland waterways nationwide.

barge cleaningbarge terminal and dock constructioncofferdamscommercial divingconcrete placement and repairsdewatering and material separationenvironmental dredginggroutingharbor switching and fleetinghydrographic surveymarine constructionROV supportsediment cappingsubmarine cable installation and burialtreatability testingunderwater inspectionswater treatmentwelding