
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

Providing Quality Services for Over 30 Years
Project: Cumberland Levee Repair at Lake Texoma
Innovative and Practical Engineering Solutions
Service detail: Structural Engineering

Leaders in Design, Construction, and Environmental Services
Project: RDU Airport Terminal 2 Expansion

Multidisciplinary engineering and support services in the Baltimore-Washington area
Project: WMATA Bus System Renovations
ABCO Engineering is a civil and geotechnical engineering firm established in 2014 and headquartered in Nampa, Idaho. With over 20 years of staff experience in civil and construction engineering, ABCO serves municipal, commercial, and private development clients. Licensed as a Professional Engineer in Idaho, Oregon, Nevada, and Utah, the firm operates primarily in the Treasure Valley and surrounding region.
Service detail: Civil Engineering
ACT ONE & Associates is a consulting engineering and land surveying firm established in 2012 and based in Harrisburg, Pennsylvania. Licensed in Pennsylvania as Professional Engineers, Professional Land Surveyors, and a Sewage Enforcement Officer, the firm serves builders, contractors, developers, individual property owners, institutions, and municipalities with a broad range of civil, environmental, and structural engineering services.
Service detail: Land Surveying

Building America from the ground up since 1993
Project: I-405 Improvement Project

Your Partner for Professional Engineering Consulting
Project: WSLP-105 and WSLP-108 Drainage Structures, Levees and Floodwalls
Delivering quality solutions - by providing service through integrity
Service detail: Geotechnical Engineering
Engineering Consulting & Construction Management Services
Project: Pearl Harbor Fitness Center
AP Engineering & Consulting, Inc. (APEC) is a full-service geotechnical engineering, environmental consulting, compliance management, and construction materials testing firm based in Greenfield, Indiana. APEC's team of licensed professional engineers, geologists, and scientists delivers quality, efficient, and value-added solutions for commercial, residential, and municipal projects. Its INDOT-prequalified and AASHTO-certified in-house laboratory supports construction materials testing in accordance with ASTM and AASHTO standards.
Service detail: Geotechnical Engineering
APEC Engineering, Inc. is an innovative, locally owned and operated civil engineering firm licensed in Montana and serving northwest Montana since 1998. Headquartered in Somers, Montana, APEC's team of highly qualified professionals provides civil engineering services including water resources, land development, environmental permitting, planning, and construction engineering to clients across Montana and North Dakota. APEC Engineering is committed to efficient design, modern capabilities, and hands-on consulting, serving communities in Kalispell, Bigfork, Whitefish, Columbia Falls, and throughout the region.
Project: The Wilderness Club

Precise. Responsive. Solutions.
Project: Annapolis Landfill Solar

Value engineering to build a safer tomorrow.
Service detail: Geotechnical and Geological Studies
Quality, innovative, and cost-effective consulting engineering solutions
Service detail: Geotechnical Engineering
Unwavering Quality. Reliable Results.
Project: Pierre SD Wastewater Treatment Plant

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

Providing comprehensive engineering, construction, and construction management services.
Service detail: Federal Services

Geotechnical Solutions for a Sustainable Future
Project: Caminada Headland Back Barrier Marsh Creation (BA-171) Project

Texas Civil Engineering Professionals
Project: Iowa Colony City Engineer

A Stable Foundation for a Solid Future
Project: 45th St. Underpass

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

Advanced Infrastructure Design, Inc. (AID) is a consulting engineering practice established in 1998. Headquartered in Hamilton, New Jersey, with an office in Philadelphia, Pennsylvania, it is staffed by licensed Professional Engineers, scientists, researchers, and technicians. The practice specializes in transportation infrastructure preservation, deploying advanced non-destructive testing (NDT) technologies to evaluate and design solutions for roads, bridges, tunnels, airports, substructures, foundations, and parking structures. It is led by President Mojgan Mohtashami, PhD, MBA.
Service detail: Pavement Engineering