Haag, a Salas O'Brien Company

Haag is an employee-owned forensic engineering & technical consulting firm, since 1924. In June 2024, Haag joined Salas O'Brien, an employee-owned engineering and technical services firm focused on advancing the built environment. *FORENSIC ENGINEERING- Haag provides failure analysis, extent of damage, and repair options for civil/structural, mechanical, electrical, metallurgical, construction defect, product liability/failure, and transportation cases. *FORENSIC METEOROLOGY- Haag's expert meteorologists conduct detailed meteorological analyses of severe weather events, assess weather effects on building performance, and provide expert witness testimony.  *FORENSIC ARCHITECTURE- Haag’s forensic architects evaluate construction defects, standard of care, premises liability, building envelope/moisture intrusion, ADA/code compliance, and provide expert witness and litigation support.  *TESTING- Haag's IAS Accredited lab offers material & product testing, roofing desaturation, ice- and steel-ball impact testing, pressure chamber, wind simulator testing and customizable testing. *CONSTRUCTION CONSULTING- services include restoration and reconstruction consulting, detailed estimates, replacement cost (ITV) assessments, demand appraisals, clerk of works, and construction or property claim litigation support, including delay and quantum claims, and construction defect litigation. *FIRE O&C- provides fire O&C investigation services, specializing in commercial and complex losses. *EDUCATION- premier training programs including the Haag Certified Inspector & Haag Certified Reviewer, plus online and classroom seminars, and reference books & tools including Shingle Gauges® and Haag Panel & Membrane Gauge®.  *GIS, BIM, & 3D TECHNOLOGIES- technical support, resources & analysis to forensic, litigation, oil & gas clients

Patriot Engineering and Environmental, Inc.

Since its beginning in 1995, Patriot has built its reputation on serving the needs of the growing development and redevelopment community. Patriot is dedicated to serving our clients through providing engineering and environmental expertise and solutions. Over two decades later, Patriot continues to be a leader in our field. Patriot provides environmental consulting, geotechnical engineering, and construction materials testing services throughout the Midwest and surrounding regions. In addition to the Corporate HQ located in Indianapolis, Indiana, Patriot operates full-service branch offices throughout Indiana, Ohio, Kentucky, Illinois, Louisiana and Tennessee with with additional field offices located in Mississippi, South Carolina and Michigan. Office Locations: Indianapolis, Indiana: (317) 576-8058 Bloomington, Indiana: (812) 287-8340 Cincinnati, Ohio: (513) 817-1600 Dayton, Ohio: (937) 847-9707 Evansville, Indiana: (812) 477-0050 Ft. Wayne, Indiana (260) 490-1112 Lafayette, Indiana: (765) 447-4477 Louisville, Kentucky: (502) 961-5652 Terre Haute, Indiana: (812) 466-5559

Klingner & Associates, PC

Klingner is a multidisciplinary, award-winning firm offering comprehensive engineering, architecture, land surveying, geotechnical services, and construction material testing. Since 1905, it has been our mission to enhance Midwestern communities through compelling and cost-effective designs. From industrial and commercial businesses to local school districts, our experts foster collaborative design experiences to create inspiring environments and specialized solutions. Klingner professionals are based in eight regional offices throughout the Midwest: Carbondale, Galesburg, and Quincy, IL; Columbia and Hannibal, MO; and Burlington, Davenport, and Pella, IA.

BETA Group, Inc.

BETA is an employee-owned planning, engineering and construction services firm serving federal, state, local and private clients. Our team is proud to collaborate with each other and our clients. The result is IMPROVING COMMUNITIES TOGETHER. Founded in 1982, BETA continues to serve its clients by providing the highest level of quality solutions, hiring the best and brightest people, being results-oriented and delivering superior products. Adhering to these principles has helped us grow into a regional powerhouse with long-term relationships across a spectrum of clients and needs. BETA understands what it takes to drive a project to success. Contact us today to see how we can turn your project from good to great.

Tatham Engineering

Tatham Engineering is a Canadian employee-owned, multidisciplinary civil, electrical & mechanical consulting engineering firm. We specialize in Coastal, Land Development, Municipal, Structural (Buildings and Bridges), Transportation, Water Resources, Water & Wastewater, Electrical and Mechanical engineering, and provide specialized services in Air & Noise, Climate Resilience, Hydrogeology, and Building Engineering Services. With over 35 years of experience, our firm boasts a solid track record of successful projects throughout Ontario to a wide range of clients, in both the public and private sectors, with application to new and re-developed commercial, industrial, residential, and recreational properties. Our clients value our reliability, enthusiasm, and professional judgment. Together, we derive innovative, thorough, and cost-effective solutions to challenging problems. Tatham Engineering is headquartered in Collingwood, Ontario with branch offices in Barrie, Bracebridge, Orillia, Guelph, and Ottawa. With over 200 employees on our team, we’re proud to offer our staff competitive salaries, comprehensive benefits, generous vacation, safety & recreation allowances and paid community service in addition to various professional development opportunities. Tatham is proud to be recognized as one of Canada’s Top Small & Medium Employers & Southwestern Ontario’s Top Employers of 2025! For more information about careers at Tatham, please email hr@tathameng.com.