STRL vs WLDN

Sterling Infrastructure Inc.

Sterling Construction Company, Inc., a construction company, engages in the heavy civil, specialty services, and residential construction activities primarily in the southern United States, the Rocky Mountain states, California, and Hawaii. The company undertakes various heavy civil construction projects, including highways, roads, bridges, airfields, ports, light rail, water, wastewater and storm drainage systems for the departments of transportation in various states, regional transit authorities, airport authorities, port authorities, water authorities, and railroads. It offers specialty services such as foundations for multi-family homes, parking structures, and other commercial concrete projects for blue-chip end users in the e-commerce, data center, distribution center and warehousing, energy, mixed use, and multi-family sectors. The company also undertakes concrete foundations for single-family homes. In addition, it provides surveying, clearing and grubbing, erosion control, grading, grassing, site excavation, storm drainage, sanitary sewer and water main installation, drilling and blasting, curb and gutter, paving, concrete work, and landfill services. The company was formerly known as Oakhurst Company, Inc. and changed its name to Sterling Construction Company, Inc. in November 2001. Sterling Construction Company, Inc. was founded in 1955 and is headquartered in The Woodlands, Texas.

Willdan Group Inc.

Willdan Group, Inc., together with its subsidiaries, provides professional, technical and consulting services primarily in the United States. It operates in two segments, Energy, and Engineering and Consulting. The Energy segment offers comprehensive audit and surveys, program design, master planning, demand reduction, grid optimization, benchmarking analyses, design engineering, construction management, performance contracting, installation, alternative financing, and measurement and verification services, as well as software and data analytics. The Engineering and Consulting segment provides building and safety, city engineering, code enforcement, development plan review and inspection, disaster recovery, geotechnical and earthquake engineering, planning and surveying, contract staff support, program and construction management, structural engineering, transportation and traffic engineering, and water resources services. This segment also offers district administration, financial consulting, and federal compliance services; emergency preparedness, planning, training, and exercise services; and communications and technology services. The company serves public and governmental agencies, including cities, counties, redevelopment agencies, water districts, school districts, and universities; investor and municipal owned energy utilities; state and federal agencies; commercial and industrial firms; and tribal governments, as well as various other special districts and agencies. Willdan Group, Inc. was founded in 1964 and is headquartered in Anaheim, California.