ground improvement

Advanced Geosolutions Inc. (AGI) is a design-build geotechnical contractor specializing in ground improvement and specialty piling, particularly for challenging sites and difficult soil conditions. Established over twenty years ago and operated by managers with over 100 years of combined experience, AGI serves clients across North America in sectors including industrial, commercial, residential, transportation, hotels, medical, schools, and parking structures.

compaction groutingcomputer modelingdeep soil mixingdesign-builddisplacement grouted columnsengineering & designhelical pilesrapid impact compactionsheet pilesspecialty pilingvibro-compactionvibro-replacementwick drains

Brierley Associates is an engineering firm whose mission is "Creating Space Underground." Its tunnel, trenchless, and geostructural practice combines knowledge of subsurface conditions, ground behavior, and site constraints with an understanding of underground construction risks. It provides geotechnical and structural design and consulting services for tunnels, underground facilities, and heavy civil infrastructure projects, and qualifies as a small business under NAICS code 541330-Engineering.

geostructural designgeotechnical engineeringhorizontal directional drillingmicrotunnelingrock slope evaluationsubsidence mitigationsupport of excavation designtrenchless designtunnel design

Conte Company is a geotechnical construction contractor based in Norwalk, Connecticut, with over 75 years of experience. The company specializes in deep foundations, ground improvements, trail building, boardwalks, site work, and precision demolition, serving New England and beyond. It emphasizes a problem-solving approach for complex projects on sensitive and constrained sites.

boardwalk constructioncustom metal fabricationdeep foundation design and installationdemolitiondesign-builddisplacement pile installationhelical pile installationload testingsite worktrail buildingunderpinning

Crux is a geotechnical drilling and construction firm founded in 1998 that provides geotechnical analysis, engineering design, drilling, and program management services on logistically challenging infrastructure projects. It is a full-service foundation provider designing and installing standard and specialty deep and shallow foundations, and is part of the Quanta West group of companies.

data loggingdigital mappingEngineering Geologyfoundation design and constructiongeotechnical drillingin-house fabricationQuality Managementstructural engineeringsubsurface investigation and remediation

CSI Geo, Inc. has been providing geotechnical, construction materials testing and construction engineering inspection services since 2007. The firm was founded by Mr. William R. Price and is headquartered in Jacksonville, Florida, with additional offices in Atlanta, Georgia and West Palm Beach, Florida. It operates a Construction Materials and Geotechnical Testing Laboratory accredited by AASHTO re:source, inspected by CCRL, and validated by the USACE Materials Testing Center.

auger cast pilesconstruction engineering & inspectionconstruction managementconstruction materials testingdrilled shaft design and inspectiondriven pile designgeotechnical engineeringlaboratory testingpavement designquality assurancequality controlseepage analysisslope stability analysissubsurface borings

Dan Brown and Associates, LLC specializes in deep foundation design, construction, and testing, and slope stability problems. The firm provides geotechnical engineering services including foundation design, foundation testing, construction observation, risk assessment, and research, working on bridge foundations, micropiles, ground improvement, and landslide stabilization projects across the United States.

construction observationdeep foundation constructiondeep foundation designdrilled shaft designFoundation Testingliquefaction evaluationmicropile designnumerical modelingrisk assessmentseismic analysisslope stability analysis

Devise Engineering, Inc. is a proudly Alaskan-owned engineering firm founded in February 2024 by Nick Choromanski, Steven Halcomb, and Jesse Gobeli. Based in Anchorage, Alaska, the firm specializes in structural, civil, and geotechnical engineering services tailored to Alaska's diverse environments, and also offers construction management.

civil engineeringconstruction managementdrainagefoundation designgeotechnical engineeringgradingpavement designpile drivingseismic evaluationssite designslope stability modelingstructural engineeringthermal analysesUtility Design

D.W. Kozera, Inc. is a certified WBE small business established in Maryland in 1995 that provides geotechnical consulting for public, institutional, and private projects, having completed over 3,500 projects. The firm provides accurate geologic interpretation of subsurface site conditions, applies soil mechanics and practical construction techniques, and delivers cost-effective foundation solutions.

construction testingdesign-buildexcavation supportgeotechnical engineeringinstrumentation and monitoringshallow and deep foundationswaterfront services

Five-S Group is a Louisiana-based industrial site-civil construction firm serving the Gulf South United States. It provides turnkey site development solutions combining heavy civil construction, marine construction, mass material supply and handling, and transportation and logistics for critical energy and infrastructure projects. The company self-performs civil construction with a fleet of over 500 pieces of heavy earthmoving equipment and has developed over 10,000 acres of land.

asphalt pavementberm and levee constructionconcrete foundation work and flat workcut-to-fill excavationdeep excavationembankment constructionerosion controlmass excavationsite clearing and grubbingunderground storm water drainage

Foundation is a deep foundation, ground improvement, and shoring contractor serving California, Arizona, and Nevada since its inception in 1971. It provides design-build and design-assist services, driven and drilled pile installation, ground improvement, earth retention, and pile testing, using custom-built equipment and skilled engineering and construction teams. The company is employee-owned and has two wholly-owned subsidiaries, Foundation Pile, Inc. and Foundation Power, Inc.

auger cast pilesbeam and laggingdesign assistdesign-builddrilled shaftsearth retentionhelical pilesmicropilespile drivingpile testingrigid inclusionssheet piling

Foundation Engineering, Inc. is an Oregon-based geotechnical engineering firm that has provided geotechnical design and construction monitoring services since 1982. It serves the Pacific Northwest with expertise in geotechnical and geological properties, delivering analyses, designs, and recommendations for projects including airports, buildings, transportation, energy, water and wastewater, and waterfront facilities.

construction monitoringconstruction observationdewateringDynamic pile testing (PDA)Engineering GeologyForensic engineeringgeotechnical designgeotechnical investigationsinstrumentation and monitoringLandslide investigations and mitigationpavement designSeismic hazard studies and retrofitvalue engineering

FR Engineering Group is a geotechnical, geostructural, and waterfront engineering firm servicing New England and Colorado since 2019. It offers design and construction support services to developers, property owners, public agencies, corporations, institutions, and energy companies, and is a certified WBE and DBE engineering firm.

Breakwaters/jettiesBulkheadscoastal engineeringDam inspection & remediation designdeep foundation designDrilled pier wallsFloating docks & marinasliquefaction analysisMooring facilitiespermitting servicesPiersRevetmentsSeawallssecant pile wallsshallow foundation designslope stabilitySoldier pile & lagging wallssubsurface investigationsunderpinning

GEO CIM, INC. PSC is a geotechnical engineering and engineering geology consulting firm with 37 years of practice, based in Guaynabo, Puerto Rico. The firm provides geologic and geotechnical studies for planning, permitting, and design of engineering works including buildings, earthwork, water and wastewater treatment plants, dams, highways, bridges, airport pavements, waterfront structures, renewable energy facilities, and slope stability evaluation.

CPT testingdeep and shallow foundation investigationengineering geology consultingGeotechnical and environmental drillinggeotechnical engineeringload testingmechanically stabilized earth walls (MSE walls)PDA (Pile Driving Analyzer)Phase 1 environmental site assessmentssoil nailingtieback wallsVibration monitoring

Geometrics is a full-service civil engineering firm highly specialized in airfield design, geotechnical and pavement engineering, construction management, and program management. The firm has completed 55 airfield projects at 20 airports across Washington, Oregon, Idaho, California, Arizona, Texas, and Michigan. It has offices in Redmond/Bellevue, Washington; Plano/Dallas, Texas; and Pune, India.

airfield designAutoCADCivil3Dconstruction managementfoundation designgeotechnical engineeringgrading and drainagePavement engineeringprogram managementretaining wall designroadway designsite developmentslope stabilizationSSAStormCADsubsurface exploration

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 demolitiondesign-buildenvironmental consultingEnvironmental risk assessmentFlood controlgeotechnical engineeringsite characterizationSite remediation constructionstormwater managementTrenchless technology

Harrison Western is an American-owned and operated heavy civil, tunneling and mining contractor in operation since 1968. The company has completed projects in dozens of countries totaling in excess of $2.5 billion, working in complex and challenging environments. It is headquartered in Lakewood, Colorado.

cement groutingchemical groutingdesign/buildearly contractor involvement (ECI)earth retentiongeo-constructionground anchorsheavy civil constructionindustrial constructionjet groutinglandslide stabilizationmicropilesmining developmentrockfall mitigationsoil mixingstone columnstunnelingvibro-compaction

Hub Foundation is a leader in the deep foundation industry, headquartered near Boston, Massachusetts. Family-owned and operated, it has supported the Northeastern United States for over five decades with a reputation for safety, quality, expertise, and professionalism in the drilling industry. Since 2025, Hub Foundation is part of Soletanche Bachy. Its reach spans the six New England states, New York, and Washington DC.

deep foundation installationdrillingdriven and drilled-in-place systemsearth retention design and installationhelical pile installationrock anchor installationslurry wall excavationtieback design, installation and testingunderpinning

JPI Construction, LLC is a Certified Small Business, Minority and Hispanic owned company formed by professionals with over 20 years of experience in the General Contractor, Geotechnical Construction, and Construction Management businesses. Based in San Juan, Puerto Rico, its mission is to provide quality service and support for the island of Puerto Rico and beyond, delivering safe, efficient, and steady building processes from the ground up.

aggregate piersauger cast in-place piles (ACIP)chemical groutingdeep soil mixing (DSM)drilled displacement pilesdrilled shaftsdriven ductile pilesenvironmental cutoff wallsfoundation remediationgroutingmicropilessecant and tangent pile wallsseepage cutoff wallssoil and rock anchorsstone columnssupport of excavationtiebacks