
7NT Enterprises, LLC
Miamisburg, OHProper Execution with Precision
Project: Gordie Howe International Bridge
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Proper Execution with Precision
Project: Gordie Howe International Bridge

Geotechnical engineering, material testing, special inspections, and drilling services in Arizona
Service detail: Geotechnical Engineering
Your Partner for Efficient and Effective Design
Project: Belmont University Massey Center
Multidisciplinary Engineering, Special Inspections & Expediting Services
Service detail: Structural Engineering
Delivering quality solutions - by providing service through integrity
Service detail: Geotechnical Engineering
Engineering with integrity & purpose.
Project: The Virginia Vanguard

Engineering The Future
Service detail: MEP & Fire Protection Engineering

Geotechnical, Civil, and Structural Engineering Across California and the Western States
Project: LA Metro Gold Line - MSE Wall

Building Tomorrow's Legacy, Today
Service detail: Materials Testing Laboratory

Engineering You Can Trust, Results You Can Build on
Project: Kirtley Powerline

Geotechnical engineering, materials testing, and QA/QC services
Project: Spaceport America

Communicating With Technical Accuracy About Your Project So You Can Proceed With Confidence
Project: Broken Arrow Senior Center

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.
Service detail: Construction Materials Testing (CMT)
Alpha Geotechnical & Materials, Inc. is a Tempe, Arizona-based consulting practice founded in 1998, specializing in geotechnical and environmental engineering, geological services, construction inspections, and materials testing. It serves public and private clients on projects ranging from single commercial pads to large master-planned communities across the Phoenix metro area, delivering timely, accurate, and cost-effective field and laboratory testing.
Project: Microchip Technology C6 Building

Partnering to Build & Protect What Matters Most
Project: ADOT I-10 Tucson Reconstruction

Raising the Quality Standard
Project: NY Botanical Garden Dome

Providing High Quality Results in a Cost Effective and Timely Manner
Service detail: Construction Inspection
Industry-leading expertise with innovation and unparalleled work ethic
Service detail: Geotechnical Engineering & Subsurface Investigations
Building Communities Block by Block
Project: Cape Four Plaza
Angle Engineering is a geotechnical engineering, environmental services, special inspection, and construction materials testing firm based in Las Vegas, Nevada, serving residential, commercial, and public-sector clients throughout Nevada. The practice employs registered Geological Engineers and Civil Engineers and operates an AASHTO-accredited in-house laboratory for materials testing. Angle Engineering has extensive experience with challenging Nevada soil and groundwater conditions including collapsible silts, expansive clays, caliche, cemented materials, and hillside sites.
Service detail: Geotechnical Engineering

Your Engineering Partner in Projects Large and Small
Project: Multi-Sector Structural Engineering Portfolio

Excel. Together.
Project: Bloomingdale Road Reconstruction

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.
Project: Tappan Zee Bridge
Geotechnical, environmental, and materials testing services in South Florida
Service detail: Construction Material Testing