WTH Technology, Inc. is Indiana’s largest provider of GIS mapping products with mapping solutions for public safety, land information, and infrastructure. We are known for our easy to use software and industry leading support.

Ameresco is the largest independent energy services provider in North America & Indiana County Leader. 100% of Ameresco's focus is on energy efficiency for our clients. Energy Professionals design, develop & implement facility solutions.

Founded in December 2004, 39 Degrees North, LLC is an Indiana-based company specializing in software development, principally the design and implementation of Geographic Information Systems (GIS).

Design and consulting services for the transportation industry. Including: Road, Bridge, Design, Consulting, Survey, Design-Build, P3, Inspection, Hydraulics, Construction Layout, Construction Administration, and Rehabilitation.

BF&S has served the needs of the state, counties, cities, towns and companies in Indiana since 1961.

Engineering, Bridge Design, Bridge Inspection, Construction Engineering, Construction Management, Land Acquisition Services, Right-of-Way Services, Land Surveying Services, and Transportation Design.

RSM US LLP is an accounting firm providing audit, tax, consulting, and financial advisory services.

Energy Systems Group is a comprehensive energy services provider and the premier performance contracting company in North America.

Infrastructure planning, design and construction services, including water, wastewater, storm water, transportation, aviation, railway, municipal, industrial, commercial and institutional.

Christopher B. Burke Engineering, LLC. (CBBEL) specializes in the planning, design, and construction management of local government and private infrastructure projects.

Headquartered in Indiana, Lochmueller Group helps Counties develop infrastructure that optimizes your resources!

Lawson-Fisher Associates was founded in 1971 to provide engineering services to clients in both the public and private sectors.

Woolpert is a national architecture, engineering and geospatial (AEG) firm that delivers value to clients by strategically blending engineering excellence with leading-edge technology and geospatial applications.

Williams Aerial & Mapping, Inc. is a full service Photogrammetric mapping and Photographic laboratory firm.

MEI provides civil, mechanical and electrical engineering. We provide consulting engineering services for local government, non-profit corporations, regional water and sewer districts and private sectors.

Beam, Longest & Neff, L.L.C. (BLN), provides a comprehensive scope of quality engineering services. Founded in 1945, BLN has built a tradition of engineering excellence.

United Consulting is an Indiana owned full service engineering design company whose services include: Asset Management, Bridge and Road Design, Construction Inspection, Grant Application Assistance, Land Surveying, and so much more.

DLZ Indiana, LLC is a recognized leader in the architectural/ engineering and environmental industries.

Wessler Engineering is an employee-owned professional consulting firm dedicated to providing the highest-quality Engineering, Surveying, Construction Administration and Inspection services.

Schneider Geospatial provides innovative, industry-leading solutions, working with almost 20% of the county governments in the US, helping organizations get the most from their limited resources, with creative product solutions.

Since 1954, RQAW has focused its talents and commitments on providing county governmental clients with quality consulting engineering and architectural services.

General Civil Engineering: bridge, traffic and highway planning, surveying and design; water and sewer planning, surveying and design; computer graphics and G.I.S.; resident project representative for construction and right-of-way engineering.

For over 50 years ATC has provided ground-to-roof support for environmental consulting, industrial compliance, geotechnical engineering, construction materials testing, due diligence, petroleum, and brownfields grant writing and administration