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Mackie Consultants, LLC

Rosemont, IL

Full-Service Consulting Engineering Firm

WebsitePhone1 office13 projects22 credentialsFounded 1975Size Estimate: 60-70 employees

Project: Willow Walk

Service: Land DevelopmentService: Grading and Earthwork AnalysisService: Sanitary Sewer PlanningIndustry: ResidentialIndustry: CommercialType: Civil Engineering+39 more

The Altum Group

The Altum Group is a multidisciplinary consulting firm offering civil engineering, land surveying, planning, urban design, environmental documentation, and geospatial services throughout California and Texas. Its team of engineers, surveyors, urban designers, planners, and environmental planners handles projects of both large and small scale for public and private clients, bringing regional expertise in California and Texas regulatory environments. The Altum Group is registered as a professional engineering firm with the Texas Board of Professional Engineers and Land Surveyors.

Website1 projects2 credentialsUpdated Jun 2026

Project: DSRT Surf

Service: EngineeringService: Land SurveyingService: PlanningIndustry: Land DevelopmentIndustry: TransportationType: Civil Engineering+5 more