2IM Group, LLC is a Chicago-based civil, environmental, and transportation engineering practice. Now part of MacKay, it continues to deliver technical solutions across highways, roads, streets, aviation, rail, transit, utilities, and stormwater management systems while offering expanded resources and broader geographic reach.
WebsitePhone1 office5 projects8 leadersFounded 2005Updated Jun 2026
Project: O'Hare Terminal 3, Concourse L Expansion
Service: Highways, Roads, and StreetsService: Roadway geometryService: Drainage systemsIndustry: TransportationIndustry: Highways & RoadsType: Civil Engineering+29 more
WebsitePhone1 office3 projectsFounded 1993Updated Jun 2026
Project: I-405 Improvement Project
Service: Geotechnical EngineeringService: Geotechnical drilling and field explorationService: Soils evaluationIndustry: CommercialIndustry: GovernmentType: Geotechnical Engineering+25 more
WebsitePhone1 office1 leaders9 credentialsSize Estimate: 1-50 employeesUpdated Jun 2026
Service detail: Geotechnical and Geological Studies
Service: Geotechnical and Geological StudiesService: Subsurface Soil ExplorationService: Bridge Foundation StudiesIndustry: Land DevelopmentIndustry: InfrastructureType: Geotechnical Engineering+18 more
Service: Civil Design and EngineeringService: Site Master Planning and LayoutService: Underground Utilities DesignIndustry: WastewaterIndustry: EducationType: Materials Testing+31 more
All-Terra Engineering, Inc. is a full-service construction materials testing (CMT) and geotechnical engineering laboratory based in Houston, Texas, founded in 2006 by President Haddis Tewolde, P.E. Backed by a senior team with more than 50 years of combined experience, All-Terra operates an A2LA-accredited laboratory and serves public agencies, developers, contractors, and universities across the Greater Houston area. Core services include construction materials testing, geotechnical engineering, and forensic evaluation of concrete.
WebsitePhone1 office1 leaders4 credentialsFounded 2006Updated Jun 2026
Service detail: Construction Materials Testing (CMT)
Service: Construction Materials Testing (CMT)Service: Concrete TestingService: Soils TestingIndustry: GovernmentIndustry: InfrastructureType: Geotechnical Engineering+29 more
Critical investigations, testing, analysis, and design for a more certain world
Website22 offices3 projects5 leaders2 credentialsFounded 1976Updated Jun 2026
Project: Minnesota Zoo Treetop Trail
Service: Construction ServicesService: Construction Materials Testing & Special InspectionsService: Construction Materials Testing LaboratoriesIndustry: AgricultureIndustry: CommercialType: Geotechnical Engineering+51 more
Arrow Infrastructure Solutions Inc., doing business as Arrow Engineering Corp., is a civil engineering and geotechnical firm based in Lancaster, California, that has served public agencies and private firms in California and Nevada since 1978. Its work spans land development, land planning, transportation, and public works for both public and private sector clients. Arrow Engineering's three practice divisions cover civil engineering design, geotechnical and soils engineering, and GIS mapping, and it emphasizes cost-effective products delivered on client-defined schedules.
WebsitePhone1 officeFounded 1978Updated Jun 2026
Service detail: Civil Engineering
Service: Civil EngineeringService: Soils Engineering and Materials InspectionService: GIS MappingIndustry: Land DevelopmentIndustry: TransportationType: Civil Engineering+6 more
Atlantic Testing Laboratories, Limited (ATL) is a full-service engineering support firm with eleven offices throughout New York State, providing geotechnical engineering, materials testing, environmental services, and subsurface investigation to infrastructure, industrial, governmental, and private clients across the Northeast, Midwest, and Mid-Atlantic regions. ATL maintains a database of more than 6,000 completed geotechnical and subsurface investigation projects in the Northeastern United States, in-house geotechnical laboratories, a diverse fleet of drill rigs, and an in-house fabrication shop for custom field tools. Key capabilities include subsurface investigations (soil and rock sampling, SPT, CPT, groundwater monitor well construction), construction material testing (concrete, steel, asphalt, masonry), geotechnical engineering (foundation design, pavement design, slope stability, dynamic pile testing), environmental services (Phase 1 and 2 ESA, asbestos and lead surveys, mold assessment, SWPPP inspections, vapor intrusion assessments), and nondestructive testing.
Website2 offices4 projectsUpdated Jun 2026
Project: Tappan Zee Bridge
Service: Subsurface InvestigationsService: Soil and Rock SamplingService: Standard Penetration Testing (SPT)Industry: InfrastructureIndustry: GovernmentType: Geotechnical Engineering+46 more
WebsitePhone1 office1 leaders7 credentialsFounded 1986Updated Jun 2026
Service detail: Surveying & Construction Staking
Service: Surveying & Construction StakingService: Construction StakingService: Land and Boundary SurveyingIndustry: InfrastructureIndustry: CommercialType: Civil Engineering+33 more
Service: Environmental ServicesService: Phase I Environmental Site AssessmentService: Phase II Environmental Site AssessmentIndustry: CommercialIndustry: EducationType: Geotechnical Engineering+94 more
Blascom Engineering provides geotechnical design engineering, structural assessments, special inspections, construction materials testing, finite element modeling, and forensic civil engineering for South Florida public and private projects. Its capabilities span subsurface evaluations, foundation design, PLAXIS 3D modeling, and materials testing across soils, concrete, masonry, and asphalt.
WebsitePhone1 office8 credentialsFounded 2013Updated Jun 2026
Service detail: Geotechnical Engineering
Service: Geotechnical EngineeringService: Shallow and Deep Foundation DesignService: Slope Stability and Ground ImprovementsIndustry: CommercialIndustry: ResidentialType: Geotechnical Engineering+20 more
