Alta EI

Office Locations

We usually respond within 24 hours. Alternatively you’re welcome to call our offices.

4940 S. Wendler Dr. Suite 150 Tempe AZ 85282

2025 W Ruthrauff Rd Ste 125, Tucson, AZ 85705

440 N Main Street, Suite 202, Florence, AZ 85132

2700 East Fry Boulevard, Suite C-1, Sierra Vista, Arizona 85635

2201 N. Gemini Dr., Suite 129, Flagstaff, AZ 86001

Partnering To Build & Protect What Matters most

ALTA

Environmental Solutions

ALTA

Infrastructure Experts

alta ei

Arizona’s Leading Privately-Owned Engineering Firm

Trusted to deliver accurate, fast, and comprehensive, end-to-end solutions in geotechnical engineering, surveying, civil engineering, materials testing, environmental consulting, and health & safety services.

completed projects

Local Roots | Statewide Reach | National Standards

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Engineering Built for Every Challenge

Alta has grown into one of Arizona’s largest privately owned engineering firms. With offices across the state, nationwide reach, and a multidisciplinary team of 250+ employees, we provide the scale, expertise, and responsiveness that major projects demand.

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Professional Engineers / Surveyors

here to help you

Alta is your environmental & infrastructure partner

experienced & qualified staff

Have You Received
a Notice of Violation?

Our team of EHS experts can help. We help businesses resolve compliance issues fast, so you can avoid fines and keep operations moving.

our team.

Meet the Alta
Leadership teaM

our work

Check out our projects

Our Portfolio of successful projects reflects our unwavering commitment to excellence, innovation, and client satisfaction. Each endeavor exemplifies our dedication to delivering exceptional results.

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Why Choose Alta?

01

One Point of Contact, Full Accountability

Every project has a dedicated manager, ensuring seamless communication and accountability from start to finish.

02

Personalized Service, Large-Scale Capabilities

Big enough to handle complex, multi-disciplinary projects, small enough to deliver personal attention and responsiveness.

03

Integrated Expertise, All In-House

Surveying, geotech, materials testing, civil, environmental, and health & safety, all under one roof, reducing delays and costs.

04

Proven Track Record Across Arizona

Trusted by municipalities, government agencies, and private developers on some of the region’s most critical projects.

05

Client-Centered Approach

We build partnerships, not transactions. Our clear communication and proactive solutions have earned the trust of Arizona’s top developers and agencies.

career opportunities

Grow Your Career With Alta

We invest in our people. Whether you’re an experienced engineer, or entering the trades, we’ll certify you, train you, and give you the opportunity to grow with a company that’s rapidly expanding.

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Let's get started

Our client-centered service is engineering for large-scale delivery, and structured for personal relationships. Contact us today to get started on your next project.

Our Partners

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