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Alta Environmental & Infrastructure

Tucson, AZ

Partnering to Build & Protect What Matters Most

WebsitePhone5 offices10 projects14 leaders3 credentialsSize Estimate: 250-999 employees

Project: ADOT I-10 Tucson Reconstruction

Service: Civil EngineeringService: Site Civil DesignService: Grading, Drainage & Stormwater ManagementIndustry: InfrastructureIndustry: CommercialType: Civil Engineering+30 more
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C&I Engineering, LLC

Goodyear, AZ

Solutions That Fit

WebsitePhone1 office4 projectsFounded 1999Updated Jun 2026

Project: Engineering Services at Energy Northwest

Service: Engineering ServicesService: Electrical EngineeringService: Mechanical EngineeringIndustry: NuclearIndustry: Power GenerationType: Automation & Controls+22 more
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DARcor & Associates, Inc.

Phoenix, AZ

Innovation and technical precision are our core values.

Website1 office12 projects5 leaders2 credentialsFounded 1997Size Estimate: 11 employees

Project: ADOT Rest Area Rehabilitation

Service: Control Panel & IntegrationService: PLC & HMI/OIT ProgrammingService: Process & Instrumentation DiagramsIndustry: Water SupplyIndustry: WastewaterType: Electrical Engineering+21 more
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EDM International, Inc.

Fort Collins, CO

Reliability & Innovation Since 1982

Website4 officesFounded 1982Updated Jun 2026

Service detail: Engineering and Design

Service: Engineering and DesignService: Power Delivery Design & EngineeringService: Custom-Engineered Structures & FoundationsIndustry: Electric UtilitiesIndustry: Power Transmission & DistributionType: Power & Utility Engineering+38 more
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Industrial Design Solutions

Phoenix, AZ

The Industry Leader in Control System Engineering

WebsitePhone1 office6 credentialsFounded 2001Updated Jun 2026

Service detail: Control Engineering

Service: Control EngineeringService: Boiler Control SystemsService: Burner Management SystemsIndustry: Power GenerationIndustry: Pulp & PaperType: Automation & Controls+35 more
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Lean Technology Corporation

Irvine, CA

Comprehensive aviation and airfield electrical engineering solutions

WebsitePhone5 offices1 projects1 leaders1 credentialsFounded 2003

Project: San Francisco International Airport (SFO) Airfield Infrastructure

Service: Airfield Electrical EngineeringService: Airfield Lighting DesignService: Power Distribution SystemsIndustry: AviationIndustry: AirportsType: Electrical Engineering+11 more
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Momentum Engineering, Inc.

Sierra Vista, AZ

Moving Missions Forward

WebsitePhone2 offices2 projects1 leaders4 credentialsFounded 2015

Project: IC Data Services - Data Engineering & Ingest

Service: Systems Engineering & ArchitectureService: Enterprise Architecture & System PrototypingService: Cloud Computing & VirtualizationIndustry: DefenseIndustry: FederalType: Defense Engineering+17 more
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Ready 3 LLC

Oklahoma City, OK

Your Success | Our Mission

WebsitePhone12 offices7 projectsUpdated Jun 2026

Project: F-35 Readiness Directorate Support

Service: Sustainment SupportService: Functional & Direct Programmatic SupportService: Product & Life Cycle PlanningIndustry: DefenseIndustry: FederalType: Defense Engineering+33 more
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Sandhill Holdings LLC

Tucson, AZ

Partnering to Build & Protect What Matters Most

WebsitePhone5 offices11 projects14 leaders3 credentialsSize Estimate: 250-999 employees

Project: ADOT I-10 Tucson

Service: Civil EngineeringService: Site DevelopmentService: Grading, Drainage, and Utility DesignIndustry: CommercialIndustry: ResidentialType: Civil Engineering+40 more
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TOR Engineering Corporation

Phoenix, AZ

The Power Is in Our People

WebsitePhone1 office7 leadersFounded 1985Size Estimate: 70-249 employeesUpdated Jun 2026

Service detail: Electrical Substation Engineering & Design

Service: Electrical Substation Engineering & DesignService: Greenfield & Brownfield Engineering & Design ServicesService: Single Line DevelopmentIndustry: Electric UtilitiesIndustry: Power Transmission & DistributionType: Electrical Engineering+41 more
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